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<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font></div>

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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington, D.C. 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date of Report (Date of earliest event reported):&nbsp;&nbsp;10/12/2007 </b></font></div>




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<b>Hoku Scientific, Inc. </b></font></div>

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<b>(Exact name of registrant as specified in its charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;0-51458</b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>Delaware</b></font>
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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>99-0351487</b></font>
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<b>(State or other jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(IRS Employer</b></font>
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<b>incorporation)</b></font>
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<b>Identification No.)</b></font>
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<b>1075 Opakapaka St.</div><div Align="center">Kapolei, HI 96707</b></font></div>


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<b>(Address of principal executive offices, including zip code)</b></font>
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<b>808-682-7800 </b></font>
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<b>(Registrant&#146;s telephone number, including area code)</b></font>
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<b>Not applicable </b></font>
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<b>(Former name or former address, if changed since last report) </b></font>
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<b>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:<BR><BR>
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<b>[&nbsp;&nbsp;]&nbsp;&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>

[&nbsp;&nbsp;]&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>


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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>


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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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<b>Item 1.01.&nbsp;&nbsp;&nbsp;&nbsp;Entry into a Material Definitive Agreement</b></font>
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Amendment of Supply Agreement with Sanyo Electric Co., Ltd. <p></div><div align="left" style="text-indent:4%">On January 17, 2007 Hoku Scientific, Inc. and Sanyo Electric Co., Ltd., or Sanyo, entered into a Supply Agreement for the sale and delivery of polysilicon, or the Supply Agreement. On September 5, 2007, we entered into an assignment and assumption agreement with Hoku Materials, Inc., our wholly-owned subsidiary, for the transfer of all of our right, title and interest in the Supply Agreement to Hoku Materials.  On October 12, 2007, Hoku Materials and Sanyo entered into Amendment No. 2 to the Supply Agreement, or Amendment No. 2. Under Amendment No. 2, Sanyo may terminate the Supply Agreement if, on or before December 31, 2007, Hoku Materials has not raised $100 million in gross aggregate proceeds from long-term bank debt, the issuance of equity securities, or polysilicon customer prepayments, or any combination thereof, to procure its planned polysilicon production plant in Pocatello, Idaho. The Supply Agreement, as previously amended on May 26, 2007, by Amendment No. 1 to Supply Agreement, required Hoku Materials to obtain such financing on or before October 17, 2007.<p></div><div align="left" style="text-indent:4%">The Supply Agreement and Amendment No. 1 to Supply Agreement are filed as Exhibits 10.42 and 10.44, respectively, to our Annual Report on Form 10-K for the fiscal year ended March 31, 2007, filed with the Securities and Exchange Commission on June 29, 2007. The foregoing description of Amendment No. 2 is qualified in its entirety by reference to Amendment No. 2 which is attached hereto as Exhibit 10.51.<p></font>
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<b>Item 9.01.&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits</b></font>
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Exhibit Number 10.51 - Amendment No. 2 to Supply Agreement, dated October 12, 2007, by and between Sanyo Electric Co., Ltd., and Hoku Materials, Inc.</font>
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<b>Signature(s) </b></font>
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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 hereunto
duly authorized. </font>
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	Hoku Scientific, Inc.</font>
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	Date: October 16, 2007</font>
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	By:</font>
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	/s/&nbsp;&nbsp;&nbsp;&nbsp;Dustin M. Shindo</font>
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	Dustin M. Shindo</font>
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	<div><font Face="times New Roman" Size="2" Color="#000000">Chairman of the Board of Directors, President and Chief Executive Officer</font>
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<b>Exhibit Index </b></font>
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	<b>Description</b></font>
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	EX-10.51</font>
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	 	Amendment No. 2 to Supply Agreement, dated October 12, 2007, by and between Sanyo Electric Co., Ltd., and Hoku Materials, Inc.</font>
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Prepared By R.R. Donnelley Financial -- Form 8-K
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):  10/12/2007
Hoku Scientific, Inc.
(Exact name of registrant as specified in its charter)
Commission File Number:  0-51458
Delaware
99-0351487
(State or other jurisdiction of
(IRS Employer
incorporation)
Identification No.)
1075 Opakapaka St.
Kapolei, HI 96707
(Address of principal executive offices, including zip code)
808-682-7800
(Registrant's telephone number, including area code)
Not applicable
(Former name or former address, if changed since last report)
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 1.01.    Entry into a Material Definitive Agreement
Amendment of Supply Agreement with Sanyo Electric Co., Ltd.
On January 17, 2007 Hoku Scientific, Inc. and Sanyo Electric Co., Ltd., or Sanyo, entered into a Supply Agreement for the sale and delivery of polysilicon, or the Supply Agreement. On September 5, 2007, we entered into an assignment and assumption agreement with Hoku Materials, Inc., our wholly-owned subsidiary, for the transfer of all of our right, title and interest in the Supply Agreement to Hoku Materials.  On October 12, 2007, Hoku Materials and Sanyo entered into Amendment No. 2 to the Supply Agreement, or Amendment No. 2. Under Amendment No. 2, Sanyo may terminate the Supply Agreement if, on or before December 31, 2007, Hoku Materials has not raised $100 million in gross aggregate proceeds from long-term bank debt, the issuance of equity securities, or polysilicon customer prepayments, or any combination thereof, to procure its planned polysilicon production plant in Pocatello, Idaho. The Supply Agreement, as previously amended on May 26, 2007, by Amendment No. 1 to Supply Agreement, required Hoku Materials to obtain such financing on or before October 17, 2007.
The Supply Agreement and Amendment No. 1 to Supply Agreement are filed as Exhibits 10.42 and 10.44, respectively, to our Annual Report on Form 10-K for the fiscal year ended March 31, 2007, filed with the Securities and Exchange Commission on June 29, 2007. The foregoing description of Amendment No. 2 is qualified in its entirety by reference to Amendment No. 2 which is attached hereto as Exhibit 10.51.
Item 9.01.    Financial Statements and Exhibits
Exhibit Number 10.51 - Amendment No. 2 to Supply Agreement, dated October 12, 2007, by and between Sanyo Electric Co., Ltd., and Hoku Materials, Inc.
Signature(s)
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 hereunto
duly authorized.
Hoku Scientific, Inc.
Date: October 16, 2007
By:
/s/    Dustin M. Shindo
Dustin M. Shindo
Chairman of the Board of Directors, President and Chief Executive Officer
Exhibit Index
Exhibit No.
Description
EX-10.51
Amendment No. 2 to Supply Agreement, dated October 12, 2007, by and between Sanyo Electric Co., Ltd., and Hoku Materials, Inc.