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<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 1pt; margin-bottom: 1pt"><DIV STYLE="font-size: 1pt; border-top: Black 3.5pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;<B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B>&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM <FONT STYLE="color: black">8-K</FONT></B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(d) OF THE
</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></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">Date of report (Date of earliest event reported):
May 24, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>AMERICAN DG ENERGY INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact Name of Registrant as Specified in
Its Charter)</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">Delaware</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or Other Jurisdiction of Incorporation)</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"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">001-34493</TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">04-3569304</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">(Commission File Number)</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">(IRS Employer Identification No.)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">45 First Avenue</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">Waltham, Massachusetts</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">02451</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;(Address of Principal Executive Offices)</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">(Zip Code)</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></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">&nbsp;(781) 622-1120</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Registrant&rsquo;s Telephone Number, Including
Area Code)<B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2; color: black">&pound;</FONT>
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2; color: black">&pound;</FONT>
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2; color: black">&pound;</FONT>
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2; color: black">&pound;</FONT>
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 5.07&#9;Submission of Matters to a Vote of Security
Holders.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On May 24, 2012, American DG Energy Inc.,
or the Company, we, or us, held its annual meeting of shareholders.&nbsp;The matters voted on at the meeting and the results of
these votes were as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>Election of Directors</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>&nbsp;</I></P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 80%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; width: 40%">&nbsp;</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%; vertical-align: top">For</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; vertical-align: top; width: 15%">Withheld</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; vertical-align: top; width: 15%">Abstain</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%; vertical-align: top">Not Voted</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">Charles T. Maxwell</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,397,410</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 37,954</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">George N. Hatsopoulos</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,417,548</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 17,816</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">John N. Hatsopoulos</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,435,129</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 235</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">Francis A. Mlynarczyk Jr.</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,434,629</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 735</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">Deanna M. Petersen</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,396,810</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38,554</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">Christine M. Klaskin</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 23,396,810</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38,554</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&nbsp;</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">10,173,124</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">All of the nominees received a plurality
of the votes cast by stockholders entitled to vote thereon and, therefore, Mr. Charles T. Maxwell, Dr. George N. Hatsopoulos, Mr.
John N. Hatsopoulos, Mr. Francis A. Mlynarczyk Jr., Ms. Deanna M. Petersen and Ms. Christine M. Klaskin, were elected to serve
as directors of the Company for terms of one year or until their successors are duly elected and qualified.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>Ratification of the appointment of <FONT STYLE="color: black">McGladrey
&amp; Pullen, LLP</FONT> to serve as independent registered public accountants for the fiscal year ending December 31, 2012</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>&nbsp;</I></P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 80%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; width: 40%">&nbsp;</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%">For</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%">Withheld</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%">Abstain</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; padding-right: 0; padding-left: 0; text-align: center; width: 15%">Not Voted</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0">McGladrey &amp; Pullen, LLP</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 33,566,569</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">41,869</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: center; vertical-align: top">50</TD>
    <TD NOWRAP STYLE="padding-right: 0; padding-left: 0; text-align: right; vertical-align: top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 8.01&#9;Other Events.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In the Company&rsquo;s definite Proxy Statement
on Schedule 14A, as filed with the Securities and Exchange Commission on April 24, 2012, we stated that our stockholders may submit
proposals on matters appropriate for stockholder action at subsequent Annual Meetings of the Company consistent with Rule&nbsp;14a-8
promulgated under the Exchange Act and the Amended and Restated Bylaws of the Company, which may be amended from time to time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Proposals of stockholders intended to be
presented at the Company's next Annual Meeting of stockholders in 2013 must be received by the Company (Attention: Corporate Secretary,
at the principal offices of the Company) no later than January 24, 2013, for inclusion in the Company's Proxy Statement and form
of proxy for that meeting; provided, however, if a stockholder wishes to make a nomination for election to the Board, such proposal
must be received by the Company on or between January 24, 2013 and February 25, 2013 and must comply with the notice procedures
set forth in the Amended and Restated Bylaws. If shareholders intend to present a proposal at our 2013 Annual Meeting, but you
do not intend to have it included in our 2013 proxy statement, they must provide written notice of the stockholder proposal to
the Company (Attention: Corporate Secretary, at the principal offices of the Company) no later than February 25, 2013.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
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    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Date: May 24, 2012</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AMERICAN DG ENERGY INC.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: /s/ Anthony S. Loumidis</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">_____________________________________</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Anthony S. Loumidis, Chief Financial Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>&nbsp;</B></P>



<P STYLE="margin: 0"></P>

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{"company-data": {"conformed-name": "AMERICAN DG ENERGY INC", "cik": "0001378706", "assigned-sic": "4900", "irs-number": "043569304", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34493", "film-number": "12868177"}, "business-address": {"street1": "45 FIRST AVENUE", "city": "WALTHAM", "state": "MA", "zip": "02451", "phone": "781-622-1120"}, "mail-address": {"street1": "45 FIRST AVENUE", "city": "WALTHAM", "state": "MA", "zip": "02451"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported):
May 24, 2012
AMERICAN DG ENERGY INC.
(Exact Name of Registrant as Specified in
Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
001-34493
04-3569304
(Commission File Number)
(IRS Employer Identification No.)
45 First Avenue
Waltham, Massachusetts
02451
(Address of Principal Executive Offices)
(Zip Code)
(781) 622-1120
(Registrant's Telephone Number, Including
Area Code)
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
£
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
£
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.07	Submission of Matters to a Vote of Security
Holders.
On May 24, 2012, American DG Energy Inc.,
or the Company, we, or us, held its annual meeting of shareholders. The matters voted on at the meeting and the results of
these votes were as follows:
Election of Directors
For
Withheld
Abstain
Not Voted
Charles T. Maxwell
23,397,410
37,954
-
10,173,124
George N. Hatsopoulos
23,417,548
17,816
-
10,173,124
John N. Hatsopoulos
23,435,129
235
-
10,173,124
Francis A. Mlynarczyk Jr.
23,434,629
735
-
10,173,124
Deanna M. Petersen
23,396,810
38,554
-
10,173,124
Christine M. Klaskin
23,396,810
38,554
-
10,173,124
All of the nominees received a plurality
of the votes cast by stockholders entitled to vote thereon and, therefore, Mr. Charles T. Maxwell, Dr. George N. Hatsopoulos, Mr.
John N. Hatsopoulos, Mr. Francis A. Mlynarczyk Jr., Ms. Deanna M. Petersen and Ms. Christine M. Klaskin, were elected to serve
as directors of the Company for terms of one year or until their successors are duly elected and qualified.
Ratification of the appointment of
McGladrey
& Pullen, LLP
to serve as independent registered public accountants for the fiscal year ending December 31, 2012
For
Withheld
Abstain
Not Voted
McGladrey & Pullen, LLP
33,566,569
41,869
50
-
Item 8.01	Other Events.
In the Company's definite Proxy Statement
on Schedule 14A, as filed with the Securities and Exchange Commission on April 24, 2012, we stated that our stockholders may submit
proposals on matters appropriate for stockholder action at subsequent Annual Meetings of the Company consistent with Rule 14a-8
promulgated under the Exchange Act and the Amended and Restated Bylaws of the Company, which may be amended from time to time.
Proposals of stockholders intended to be
presented at the Company's next Annual Meeting of stockholders in 2013 must be received by the Company (Attention: Corporate Secretary,
at the principal offices of the Company) no later than January 24, 2013, for inclusion in the Company's Proxy Statement and form
of proxy for that meeting; provided, however, if a stockholder wishes to make a nomination for election to the Board, such proposal
must be received by the Company on or between January 24, 2013 and February 25, 2013 and must comply with the notice procedures
set forth in the Amended and Restated Bylaws. If shareholders intend to present a proposal at our 2013 Annual Meeting, but you
do not intend to have it included in our 2013 proxy statement, they must provide written notice of the stockholder proposal to
the Company (Attention: Corporate Secretary, at the principal offices of the Company) no later than February 25, 2013.
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
Date: May 24, 2012
AMERICAN DG ENERGY INC.
By: /s/ Anthony S. Loumidis
_____________________________________
Anthony S. Loumidis, Chief Financial Officer