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  <P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>As filed with the Securities
  and Exchange Commission on March 26, 2024</B></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin-top: 0pt; margin-bottom: 0pt"><B>Registration No. 333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>&nbsp;&nbsp;&nbsp;</P>
  
  <!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt"></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>UNITED
  STATES </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>SECURITIES
  AND EXCHANGE COMMISSION </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Washington,
  D.C. 20549 </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>FORM
  S-8</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>REGISTRATION
  STATEMENT</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><I>UNDER
  </I></B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B><I>THE
  SECURITIES ACT OF 1933</I></B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>HELIOGEN,
  INC. </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>(Exact
  name of registrant as specified in its charter) </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
    <TR STYLE="vertical-align: top">
      <TD STYLE="width: 49%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Delaware</B></FONT></TD>
      <TD STYLE="width: 2%; padding-bottom: 1.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="width: 49%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>84-4204953</B></FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(State or other jurisdiction
      <BR>
      of incorporation)</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(I.R.S. Employer<BR>
      Identification No.)</FONT></TD></TR>
    </TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
    <TR STYLE="vertical-align: top">
      <TD STYLE="width: 49%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>130 W Union
      St.</B></FONT></TD>
      <TD STYLE="width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="width: 49%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD STYLE="border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Pasadena,
      CA</B></FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>91103</B></FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Address of principal executive
      offices)</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Zip Code)</FONT></TD></TR>
    </TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.1in; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Heliogen,
  Inc. 2021 Equity Incentive Plan</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Heliogen,
  Inc. 2021 Employee Stock Purchase Plan</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Full
  title of the plans)</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Debbie
  Chen</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>General
  Counsel</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Heliogen,
  Inc.</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>130</B>&nbsp;<B>West&nbsp;Union&nbsp;Street</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Pasadena,&nbsp;California&nbsp;91103</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Tel:&nbsp;626-720-4530</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Name,
  address, including zip code, and telephone number, including area code, of agent for service)</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><I>Copy
  to:</I></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>John-Paul
  Motley</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Cooley&nbsp;LLP&nbsp;
  </B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>355
  South Grand Avenue, 9<SUP>th</SUP>&nbsp;Floor<BR>
  Los Angeles, California 90071<BR>
  Tel: (213)&nbsp;561-3204</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.1in; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Indicate
  by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting
  company, or an emerging growth company. See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo;
  &ldquo;smaller reporting company&rdquo; and &ldquo;emerging growth company&rdquo; in Rule 12b-2 of the Exchange Act.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="width: 24%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Large&nbsp;accelerated&nbsp;filer</FONT></TD>
      <TD STYLE="width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9744;</FONT></TD>
      <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="width: 23%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accelerated&nbsp;filer</FONT></TD>
      <TD STYLE="width: 2%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9744;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Non-accelerated filer</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9746;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Smaller&nbsp;reporting&nbsp;company</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9746;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Emerging&nbsp;growth&nbsp;company</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9746;</FONT></TD></TR>
    </TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.1in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
  an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
  with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B) of the Securities Act.&nbsp;&nbsp;&#9744;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>
  
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  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>
  
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  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>Explanatory
  Note</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Heliogen,
  Inc. (the &ldquo;Registrant&rdquo;) is filing this registration statement on Form S-8 (the &ldquo;Registration Statement&rdquo;) with
  the Securities and Exchange Commission (the &ldquo;Commission&rdquo;) to register the offering of an additional 297,315 shares of common
  stock (the &ldquo;Registered Shares&rdquo;), par value $0.0001 per share (&ldquo;Common Stock&rdquo;), of the Registrant. The 297,315
  shares of Common Stock being registered herein include (i) 237,852 shares of Common Stock issuable pursuant to the Heliogen, Inc. 2021
  Equity Incentive Plan (the &ldquo;2021 EIP&rdquo;) and (ii) 59,463 shares of Common Stock issuable pursuant to the Heliogen, Inc. 2021
  Employee Stock Purchase Plan (the &ldquo;2021 ESPP&rdquo;). These additional shares of Common Stock are securities of the same class
  as other securities for which previous registration statements on Form S-8 (File Nos. 333-263346 and 333-269694) were filed with the
  Commission on March 7, 2022 and February 10, 2023 (the &ldquo;Prior Registration Statements&rdquo;). Accordingly, the contents of the
  Prior Registration Statements are incorporated by reference into this Registration Statement pursuant to General Instruction E of Form
  S-8. The Registered Shares represent shares of Common Stock that have become reserved for issuance as a result of the operation of the
  &ldquo;evergreen&rdquo; provisions in each of the 2021 EIP and 2021 ESPP, which provide that the total number of shares subject to such
  plans may be increased on January 1 of each year pursuant to a specified formula.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt; background-color: white"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
  accordance with the instructional note to Part I of&nbsp;Form&nbsp;S-8&nbsp;as&nbsp;promulgated by the Commission, the information specified
  by Part I of Form&nbsp;S-8&nbsp;has&nbsp;been omitted from this Registration Statement.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 24.5pt; background-color: white"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  
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  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>PART
  II</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>INFORMATION
  REQUIRED IN THE REGISTRATION STATEMENT</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Item&nbsp;3.
  Incorporation of Documents by Reference.</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The
  following documents, which have been filed with the Commission, are incorporated by reference into this Registration Statement:</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
  <TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the
  Registrant&rsquo;s Annual Report on <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/1840292/000184029224000010/hlg-20231231.htm" STYLE="-sec-extract: exhibit">Form 10-K</A> for the year ended December 31, 2023, filed with the Commission on March 26, 2024;</FONT></TD>
  </TR></TABLE>
  <P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0"></P>
  
  <TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
  <TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the Registrant&rsquo;s Current Reports on Form 8-K filed with the Commission on <A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000184029224000004/hlg-20240110.htm">January
  12, 2024</A> (with respect to Item 5.02 and Exhibits 10.1 and 10.2 only), <A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000121390024014306/ea193831-8k_heliogen.htm">February
  15, 2024</A> and <A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000184029224000007/hlg-20240325.htm">March 25, 2024</A> (with respect to Item 5.02 and Exhibit 10.1 only); and</FONT></TD>
  </TR></TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
  <TD STYLE="text-align: left; width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">the description of our
                                                                                                                                                                       common stock and Warrants contained in our Registration Statement on <A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000121390021015048/ea137390-8a12b_athena.htm">Form 8-A</A>, filed with the Commission on March 12, 2021, and the
                                                                                                                                                                       description of the Series A Junior Participating Preferred Stock contained in our Registration Statement on <A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000121390023030053/ea177016-8a12b_heliogen.htm">Form 8-A</A> filed
                                                                                                                                                                       with the Commission on April 17, 2023, in each case as updated by&nbsp;<A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/0001840292/000184029224000010/hlg-20231231.htm" STYLE="-sec-extract: exhibit">Exhibit 4.4</A>&nbsp;to our Annual Report on&nbsp;Form
                                                                                                                                                                       10-K&nbsp;for the year ended December&nbsp;31, 2023 filed with the Commission on March 26, 2024, together with any amendment or
                                                                                                                                                                       report filed with the Commission for the purpose of updating such description.</FONT></TD>
  </TR></TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">In
  addition, all documents filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c), 14, and 15(d) of the Securities
  Exchange Act of 1934, as amended (other than Current Reports on Form&nbsp;8-K&nbsp;furnished pursuant to Item 2.02 or Item 7.01 of Form&nbsp;8-K,&nbsp;including
  any exhibits included with such information that are related to such items), after the date of this Registration Statement and prior
  to the filing of a post-effective amendment that indicates that all securities offered hereby have been sold or that deregisters all
  securities then remaining unsold shall be deemed to be incorporated by reference herein and to be a part of this Registration Statement
  from the date of filing of such documents; <I>provided, however</I>, that documents or information deemed to have been furnished and
  not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Any
  statement contained in the documents incorporated or deemed to be incorporated by reference in this Registration Statement shall be deemed
  to be modified, superseded, or replaced for purposes of this Registration Statement to the extent that a statement contained herein or
  in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference in this Registration Statement
  modifies, supersedes, or replaces such statement.&nbsp;Any such statement so modified, superseded or replaced shall not be deemed, except
  as so modified, superseded or replaced, to constitute a part of this Registration Statement.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>
  
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  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">&nbsp;</P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"><B>Item&nbsp;8.&nbsp;Exhibits.</B></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="text-align: center">&nbsp;</TD>
      <TD STYLE="text-align: center">&nbsp;</TD>
      <TD STYLE="text-align: center">&nbsp;</TD>
      <TD STYLE="text-align: center">&nbsp;</TD>
      <TD COLSPAN="8" STYLE="border-bottom: black 1.5pt solid; padding-bottom: 0.4pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>Incorporated by Reference</B></FONT></TD>
      <TD STYLE="text-align: center">&nbsp;</TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="width: 8%; border-bottom: black 1.5pt solid"><FONT STYLE="font-size: 10pt"><B>Exhibit<BR>
  Number</B></FONT></TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 44%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 10%; border-bottom: black 1.5pt solid">
      <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Schedule/</B></P>
      <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Form</B></P></TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 10%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>File No.</B></FONT></TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 8%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Exhibit</B></FONT></TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 13%; border-bottom: black 1.5pt solid; text-align: center"><FONT STYLE="font-size: 10pt"><B>Filing Date</B></FONT></TD>
      <TD STYLE="border-bottom: Black 1.5pt solid; width: 1%; text-align: center">&nbsp;</TD>
      <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center">&nbsp;</TD></TR>
    <TR>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD>&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex3-1_heliogeninc.htm"><FONT STYLE="font-size: 10pt">Second Amended and Restated Certificate of Incorporation of Heliogen, Inc.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">3.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.2</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000184029223000038/ex31-certificateofamendmen.htm"><FONT STYLE="font-size: 10pt">Certificate of Amendment of Certificate of Incorporation of Heliogen, Inc., dated August 31, 2023.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">3.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">August 31, 2023</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.3</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000184029222000040/ex32secondamendmentandrest.htm"><FONT STYLE="font-size: 10pt">Second Amended and Restated Bylaws of Heliogen, Inc.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form&nbsp;10-Q</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">3.2</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">November 8, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.4</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000121390023030050/ea177015ex3-1_heliogen.htm"><FONT STYLE="font-size: 10pt">Certificate of Designations of Series A Junior Participating Preferred Stock of Heliogen, Inc.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">3.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">April 17, 2023</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.5</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex4-1_heliogeninc.htm"><FONT STYLE="font-size: 10pt">Specimen Common Stock Certificate.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form&nbsp;8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">007-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">4.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">4.6</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="https://www.sec.gov/Archives/edgar/data/1840292/000121390023030050/ea177015ex4-1_heliogen.htm"><FONT STYLE="font-size: 10pt">Rights Agreement, dated as of April 16, 2023, between Heliogen, Inc. and Continental Stock Transfer &amp; Trust Company, as rights agent.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form&nbsp;8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">4.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">April 17, 2023</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">5.1*</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="ea020252001ex5-1_heliogen.htm"><FONT STYLE="font-size: 10pt">Opinion of Cooley LLP.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">23.1*</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="ea020252001ex23-1_heliogen.htm"><FONT STYLE="font-size: 10pt">Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">23.2*</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="ea020252001ex5-1_heliogen.htm"><FONT STYLE="font-size: 10pt">Consent of Cooley LLP (contained in the opinion filed as Exhibit 5.1 hereto).</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">24.1*</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="#n_001"><FONT STYLE="font-size: 10pt">Power of Attorney (included in the signature page of this Registration Statement).</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex10-8_heliogeninc.htm"><FONT STYLE="font-size: 10pt">2021 Equity Incentive Plan.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">10.8</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">99.2</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex10-10_heliogeninc.htm"><FONT STYLE="font-size: 10pt">Form of Stock Option Grant Package under 2021 Equity Incentive Plan.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">10.10</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">99.3</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex10-11_heliogeninc.htm"><FONT STYLE="font-size: 10pt">Form of RSU Grant Package under 2021 Equity Incentive Plan.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">10.11</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: White">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">99.4</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="http://www.sec.gov/Archives/edgar/data/1840292/000121390022000981/ea153385ex10-9_heliogeninc.htm"><FONT STYLE="font-size: 10pt">2021 Employee Stock Purchase Plan.</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">Form 8-K</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">001-40209</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">10.9</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD COLSPAN="2" STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt">January 6, 2022</FONT></TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD></TR>
    <TR STYLE="background-color: rgb(204,238,255)">
      <TD STYLE="vertical-align: top"><FONT STYLE="font-size: 10pt">107*</FONT></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top"><A HREF="ea020252001ex-fee_heliogen.htm"><FONT STYLE="font-size: 10pt">Filing Fee Table</FONT></A></TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
      <TD STYLE="vertical-align: bottom">&nbsp;</TD>
      <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
      <TD STYLE="vertical-align: top">&nbsp;</TD>
      <TD>&nbsp;</TD></TR>
    </TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
  
  <!-- Field: Rule-Page --><DIV STYLE="margin-top: 0pt; margin-bottom: 0pt; width: 25%"><DIV STYLE="font-size: 1pt; border-top: Black 1.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"></FONT></P>
  
  <TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
  <TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Filed
  herewith.</FONT></TD>
  </TR></TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  
  <!-- Field: Page; Sequence: 4; Value: 1 -->
      <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1.5pt solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt">II-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->2<!-- Field: /Sequence --></P></DIV>
      <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
      <!-- Field: /Page -->
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B><A NAME="n_001"></A>SIGNATURES</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
  to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed
  on its behalf by the undersigned, thereunto duly authorized in the City of Pasadena, State of California, on this 26<SUP>th</SUP> day
  of March 2024.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
    <TR STYLE="vertical-align: top">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>HELIOGEN, INC.
      </B></FONT></TD></TR>
    <TR>
      <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD STYLE="width: 60%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
      <TD STYLE="width: 36%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
      Christiana Obiaya</FONT></P></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Christiana Obiaya</FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer</FONT></TD></TR>
    </TABLE>
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>POWER
  OF ATTORNEY</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; text-transform: uppercase"><B>&nbsp;</B></FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>KNOW
  ALL BY THESE PRESENTS</B>, that each person whose signature appears below hereby constitutes and appoints Christiana Obiaya and Alan
  Gahm, and each of them, as his or her true and lawful agents, proxies and&nbsp;attorneys-in-fact,&nbsp;with full power of substitution
  and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, <FONT STYLE="background-color: white">to
  sign any and all amendments to this Registration Statement (including post-effective amendments), and to file the same, with all exhibits
  thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said&nbsp;attorneys-in-fact&nbsp;and
  agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done
  in connection therewith, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming
  all that said&nbsp;attorneys-in-fact&nbsp;and agents or any of them, or his or their substitute or substitutes, may lawfully do or cause
  to be done by virtue hereof</FONT>.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pursuant
  to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in
  the capacities and on the dates indicated.</FONT></P>
  
  <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>
  
  <TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid; width: 34%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Signature</B></FONT></TD>
      <TD STYLE="width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="border-bottom: black 1.5pt solid; width: 44%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Title</B></FONT></TD>
      <TD STYLE="width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="border-bottom: black 1.5pt solid; width: 20%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Date</B></FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Christiana
      Obiaya</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer,
      Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: top">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Christiana Obiaya</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Principal Executive Officer)</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Alan Gahm</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Interim Chief Financial
      Officer</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Alan Gahm</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Principal Financial Officer)</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Wilda
      Siu</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Accounting Officer</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Wilda Siu</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Principal Accounting Officer)</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Phyllis
      W.&nbsp;Newhouse</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Phyllis W.&nbsp;Newhouse</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Robert
      Kavner</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Robert Kavner</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Julie
      M.&nbsp;Kane</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Julie M.&nbsp;Kane</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Barbara
      Burger</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Barbara Burger</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Stacey
      Abrams</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Stacey Abrams</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Suntharesan
      Padmanathan</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Suntharesan Padmanathan</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD STYLE="border-bottom: black 1.5pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Roger
      Lazarus</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">March 26, 2024</FONT></TD></TR>
    <TR STYLE="vertical-align: bottom">
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Roger Lazarus</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
      <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
    </TABLE>
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metadata_documents: [{"type": "S-8", "sequence": "1", "filename": "ea0202520-s8_heliogeninc.htm", "description": "REGISTRATION STATEMENT", "secsgml_size_bytes": 74209}]
metadata_filer: {"company-data": {"conformed-name": "Heliogen, Inc.", "cik": "0001840292", "assigned-sic": "4911", "organization-name": "01 Energy & Transportation", "irs-number": "854204953", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-278248", "film-number": "24784823"}, "business-address": {"street1": "130 W UNION ST.", "city": "PASADENA", "state": "CA", "zip": "91103", "phone": "9709240446"}, "mail-address": {"street1": "130 W UNION ST.", "city": "PASADENA", "state": "CA", "zip": "91103"}, "former-company": {"former-conformed-name": "Athena Technology Acquisition Corp.", "date-changed": "20210112"}}
text: As filed with the Securities
  and Exchange Commission on March 26, 2024
  Registration No. 333-
  UNITED
  STATES
  SECURITIES
  AND EXCHANGE COMMISSION
  Washington,
  D.C. 20549
  FORM
  S-8
  REGISTRATION
  STATEMENT
  UNDER
  THE
  SECURITIES ACT OF 1933
  HELIOGEN,
  INC.
  (Exact
  name of registrant as specified in its charter)
  Delaware
  84-4204953
  (State or other jurisdiction
  of incorporation)
  (I.R.S. Employer
  Identification No.)
  130 W Union
      St.
  Pasadena,
      CA
  91103
  (Address of principal executive
      offices)
  (Zip Code)
  Heliogen,
  Inc. 2021 Equity Incentive Plan
  Heliogen,
  Inc. 2021 Employee Stock Purchase Plan
  (Full
  title of the plans)
  Debbie
  Chen
  General
  Counsel
  Heliogen,
  Inc.
  130
  West Union Street
  Pasadena, California 91103
  Tel: 626-720-4530
  (Name,
  address, including zip code, and telephone number, including area code, of agent for service)
  Copy
  to:
  John-Paul
  Motley
  Cooley LLP
  355
  South Grand Avenue, 9
  th
  Floor
  Los Angeles, California 90071
  Tel: (213) 561-3204
  Indicate
  by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting
  company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer,"
  "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.
  Large accelerated filer
  ☐
  Accelerated filer
  ☐
  Non-accelerated filer
  ☒
  Smaller reporting company
  ☒
  Emerging growth company
  ☒
  If
  an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
  with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐
  Explanatory
  Note
  Heliogen,
  Inc. (the "Registrant") is filing this registration statement on Form S-8 (the "Registration Statement") with
  the Securities and Exchange Commission (the "Commission") to register the offering of an additional 297,315 shares of common
  stock (the "Registered Shares"), par value $0.0001 per share ("Common Stock"), of the Registrant. The 297,315
  shares of Common Stock being registered herein include (i) 237,852 shares of Common Stock issuable pursuant to the Heliogen, Inc. 2021
  Equity Incentive Plan (the "2021 EIP") and (ii) 59,463 shares of Common Stock issuable pursuant to the Heliogen, Inc. 2021
  Employee Stock Purchase Plan (the "2021 ESPP"). These additional shares of Common Stock are securities of the same class
  as other securities for which previous registration statements on Form S-8 (File Nos. 333-263346 and 333-269694) were filed with the
  Commission on March 7, 2022 and February 10, 2023 (the "Prior Registration Statements"). Accordingly, the contents of the
  Prior Registration Statements are incorporated by reference into this Registration Statement pursuant to General Instruction E of Form
  S-8. The Registered Shares represent shares of Common Stock that have become reserved for issuance as a result of the operation of the
  "evergreen" provisions in each of the 2021 EIP and 2021 ESPP, which provide that the total number of shares subject to such
  plans may be increased on January 1 of each year pursuant to a specified formula.
  In
  accordance with the instructional note to Part I of Form S-8 as promulgated by the Commission, the information specified
  by Part I of Form S-8 has been omitted from this Registration Statement.
  PART
  II
  INFORMATION
  REQUIRED IN THE REGISTRATION STATEMENT
  Item 3.
  Incorporation of Documents by Reference.
  The
  following documents, which have been filed with the Commission, are incorporated by reference into this Registration Statement:
  (i)
  the
  Registrant's Annual Report on
  Form 10-K
  for the year ended December 31, 2023, filed with the Commission on March 26, 2024;
  (ii)
  the Registrant's Current Reports on Form 8-K filed with the Commission on
  January
  12, 2024
  (with respect to Item 5.02 and Exhibits 10.1 and 10.2 only),
  February
  15, 2024
  and
  March 25, 2024
  (with respect to Item 5.02 and Exhibit 10.1 only); and
  (iii)
  the description of our
                                                                                                                                                                       common stock and Warrants contained in our Registration Statement on
  Form 8-A
  , filed with the Commission on March 12, 2021, and the
                                                                                                                                                                       description of the Series A Junior Participating Preferred Stock contained in our Registration Statement on
  Form 8-A
  filed
                                                                                                                                                                       with the Commission on April 17, 2023, in each case as updated by
  Exhibit 4.4
  to our Annual Report on Form
                                                                                                                                                                       10-K for the year ended December 31, 2023 filed with the Commission on March 26, 2024, together with any amendment or
                                                                                                                                                                       report filed with the Commission for the purpose of updating such description.
  In
  addition, all documents filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c), 14, and 15(d) of the Securities
  Exchange Act of 1934, as amended (other than Current Reports on Form 8-K furnished pursuant to Item 2.02 or Item 7.01 of Form 8-K, including
  any exhibits included with such information that are related to such items), after the date of this Registration Statement and prior
  to the filing of a post-effective amendment that indicates that all securities offered hereby have been sold or that deregisters all
  securities then remaining unsold shall be deemed to be incorporated by reference herein and to be a part of this Registration Statement
  from the date of filing of such documents;
  provided, however
  , that documents or information deemed to have been furnished and
  not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement.
  Any
  statement contained in the documents incorporated or deemed to be incorporated by reference in this Registration Statement shall be deemed
  to be modified, superseded, or replaced for purposes of this Registration Statement to the extent that a statement contained herein or
  in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference in this Registration Statement
  modifies, supersedes, or replaces such statement. Any such statement so modified, superseded or replaced shall not be deemed, except
  as so modified, superseded or replaced, to constitute a part of this Registration Statement.
  II-
  1
  Item 8. Exhibits.
  Incorporated by Reference
  Exhibit
  Number
  Description
  Schedule/
  Form
  File No.
  Exhibit
  Filing Date
  4.1
  Second Amended and Restated Certificate of Incorporation of Heliogen, Inc.
  Form 8-K
  001-40209
  3.1
  January 6, 2022
  4.2
  Certificate of Amendment of Certificate of Incorporation of Heliogen, Inc., dated August 31, 2023.
  Form 8-K
  001-40209
  3.1
  August 31, 2023
  4.3
  Second Amended and Restated Bylaws of Heliogen, Inc.
  Form 10-Q
  001-40209
  3.2
  November 8, 2022
  4.4
  Certificate of Designations of Series A Junior Participating Preferred Stock of Heliogen, Inc.
  Form 8-K
  001-40209
  3.1
  April 17, 2023
  4.5
  Specimen Common Stock Certificate.
  Form 8-K
  007-40209
  4.1
  January 6, 2022
  4.6
  Rights Agreement, dated as of April 16, 2023, between Heliogen, Inc. and Continental Stock Transfer & Trust Company, as rights agent.
  Form 8-K
  001-40209
  4.1
  April 17, 2023
  5.1*
  Opinion of Cooley LLP.
  23.1*
  Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.
  23.2*
  Consent of Cooley LLP (contained in the opinion filed as Exhibit 5.1 hereto).
  24.1*
  Power of Attorney (included in the signature page of this Registration Statement).
  99.1
  2021 Equity Incentive Plan.
  Form 8-K
  001-40209
  10.8
  January 6, 2022
  99.2
  Form of Stock Option Grant Package under 2021 Equity Incentive Plan.
  Form 8-K
  001-40209
  10.10
  January 6, 2022
  99.3
  Form of RSU Grant Package under 2021 Equity Incentive Plan.
  Form 8-K
  001-40209
  10.11
  January 6, 2022
  99.4
  2021 Employee Stock Purchase Plan.
  Form 8-K
  001-40209
  10.9
  January 6, 2022
  107*
  Filing Fee Table
  *
  Filed
  herewith.
  II-
  2
  SIGNATURES
  Pursuant
  to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed
  on its behalf by the undersigned, thereunto duly authorized in the City of Pasadena, State of California, on this 26
  th
  day
  of March 2024.
  HELIOGEN, INC.
  By:
  /s/
      Christiana Obiaya
  Christiana Obiaya
  Chief Executive Officer
  POWER
  OF ATTORNEY
  KNOW
  ALL BY THESE PRESENTS
  , that each person whose signature appears below hereby constitutes and appoints Christiana Obiaya and Alan
  Gahm, and each of them, as his or her true and lawful agents, proxies and attorneys-in-fact, with full power of substitution
  and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
  to
  sign any and all amendments to this Registration Statement (including post-effective amendments), and to file the same, with all exhibits
  thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and
  agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done
  in connection therewith, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming
  all that said attorneys-in-fact and agents or any of them, or his or their substitute or substitutes, may lawfully do or cause
  to be done by virtue hereof
  .
  Pursuant
  to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in
  the capacities and on the dates indicated.
  Signature
  Title
  Date
  /s/ Christiana
      Obiaya
  Chief Executive Officer,
      Director
  March 26, 2024
  Christiana Obiaya
  (Principal Executive Officer)
  /s/ Alan Gahm
  Interim Chief Financial
      Officer
  March 26, 2024
  Alan Gahm
  (Principal Financial Officer)
  /s/ Wilda
      Siu
  Chief Accounting Officer
  March 26, 2024
  Wilda Siu
  (Principal Accounting Officer)
  /s/ Phyllis
      W. Newhouse
  Director
  March 26, 2024
  Phyllis W. Newhouse
  /s/ Robert
      Kavner
  Director
  March 26, 2024
  Robert Kavner
  /s/ Julie
      M. Kane
  Director
  March 26, 2024
  Julie M. Kane
  /s/ Barbara
      Burger
  Director
  March 26, 2024
  Barbara Burger
  /s/ Stacey
      Abrams
  Director
  March 26, 2024
  Stacey Abrams
  /s/ Suntharesan
      Padmanathan
  Director
  March 26, 2024
  Suntharesan Padmanathan
  /s/ Roger
      Lazarus
  Director
  March 26, 2024
  Roger Lazarus
  II-3