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<title>Form 8-K</title>


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<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b><font style="font-size: 20.0pt">&nbsp;</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b><font style="font-size: 20.0pt">&nbsp;</font></b></p>

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<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 20.0pt">UNITED STATES</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 20.0pt">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 14.0pt">WASHINGTON, D.C. 20549</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 20.0pt">FORM 8-K</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 18.0pt">&nbsp;</font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 14.0pt">CURRENT REPORT</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 14.0pt">Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 14.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'>Date
of Report (Date of earliest event reported):&nbsp; November 29, 2012</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b><font style="font-size: 20.0pt">Plug Power Inc. </font></b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(Exact name of registrant as specified in its charter)</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
 style='width:100.0%;border-collapse:collapse'>
 <tr>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>Delaware</b></p>
  </td>
  <td width="34%" valign=top style='width:34.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>1-34392</b></p>
  </td>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>22-3672377</b></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(State or other jurisdiction</font></p>
  </td>
  <td width="34%" valign=top style='width:34.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(Commission File</font></p>
  </td>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(IRS Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">of incorporation)</font></p>
  </td>
  <td width="34%" valign=top style='width:34.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">Number)</font></p>
  </td>
  <td width="33%" valign=top style='width:33.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">Identification No.)</font></p>
  </td>
 </tr>
</table>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
 style='width:100.0%;border-collapse:collapse'>
 <tr>
  <td width="50%" valign=top style='width:50.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>968
  Albany Shaker Road, <br>
  Latham, New York</b></p>
  </td>
  <td width="50%" valign=top style='width:50.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>&nbsp;</b></p>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>12110</b></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign=top style='width:50.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(Address of principal executive offices)</font></p>
  </td>
  <td width="50%" valign=top style='width:50.0%;padding:0in 5.4pt 0in 5.4pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">(Zip Code)</font></p>
  </td>
 </tr>
</table>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'>Registrant&#8217;s
telephone number, including area code:<b>&nbsp; (518) 782-7700</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b>&nbsp;</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><b>N/A</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'><font style="font-size: 10.0pt">&nbsp;(Former name or former address, if changed since
last report.)</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><a
name="_GoBack"></a><font style="font-size: 11.0pt">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 (<i>see </i>General
Instruction A.2. below):</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font face="Wingdings">o</font>&nbsp;<font style="font-size: 11.0pt">&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font face="Wingdings">o</font>&nbsp;<font style="font-size: 11.0pt">&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)</font></p>
<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>
<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='mso-style-link:"Header Char";margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font face="Wingdings">o</font>&nbsp;<font style="font-size: 11.0pt">&nbsp;&nbsp;
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'><font face="Wingdings">o</font>&nbsp;<font style="font-size: 11.0pt">&nbsp;&nbsp;
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))</font></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='mso-style-link:"Footer Char";margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='mso-style-link:"Header Char";margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b>Item
1.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Entry into a Material Definitive
Agreement.</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in;text-autospace:
none'>On November 29, 2012 Plug Power Inc. (the &#8220;Company&#8221;) executed
a Third Loan Modification Agreement (the &#8220;Loan Modification&#8221;) with
Silicon Valley Bank, amending the August 9, 2011 Loan and Security Agreement (as
modified by the First Loan Modification Agreement, dated as of September 28,
2011 and the Second Loan Modification Agreement, dated as of March 30, 2012,
both by and between the Company and Silicon Valley Bank, the &#8220;Loan
Agreement&#8221;).&nbsp; The Loan Modification, among other things, waived the
Company&#8217;s failure to comply with the Adjusted Quick Ratio financial
covenant as of the months ended September 30, 2012 and October 31, 2012, revised
the future Adjusted Quick Ratio covenant level and removed the Company&#8217;s
ability to request financing for Inventory Placeholder Invoices.&nbsp; A copy
of the Loan Modification is attached hereto as Exhibit 10.1 and is incorporated
herein by reference.&nbsp; The remaining terms of the Loan Agreement, as
disclosed in the Company&#8217;s Quarterly Report on 10Q filed on November 14,
2012, remain in full force and effect.&nbsp; </p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b>Item 9.01.&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp; Financial Statements and Exhibits</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'><b>&nbsp;</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>(d)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Exhibits. </p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>10.1&nbsp;&nbsp;&nbsp;&nbsp; Third
Loan Modification Agreement dated November 29, 2012, by and between Plug Power
Inc. and Silicon Valley Bank.</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:
0in;page-break-after:avoid'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;</p>

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<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'>2</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>

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clear=all style='page-break-before:always'>


<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";line-height:1.0pt'>&nbsp;</p>

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<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin-top:0in;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;text-align:center'><b>SIGNATURE</b></p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin-top:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;
text-indent:.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 hereunto duly authorized.</p>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin-top:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;
text-indent:.5in'><font style="font-size: 10.0pt">&nbsp;</font></p>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
 style='width:100.0%;border-collapse:collapse'>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:justify'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  Plug Power Inc.</p>
  </td>
 </tr>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>Date:&nbsp;&nbsp;&nbsp; December 5, 2012</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  By:&nbsp; <u>/s/ Andrew
  Marsh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  </u></p>
  </td>
 </tr>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  Name:&nbsp; Andrew Marsh</p>
  </td>
 </tr>
 <tr>
  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
  <td width="65%" style='width:65.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  Title: &nbsp;&nbsp;&nbsp; President and Chief Executive Officer</p>
  </td>
 </tr>
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  <td width="35%" style='width:35.0%;padding:.75pt .75pt .75pt .75pt'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
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  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>
  </td>
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  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman","serif";'>&nbsp;</p>
  </td>
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  <p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt'>&nbsp;</p>
  </td>
 </tr>
</table>

<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-indent:.5in'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</p>

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<p style='margin-right:0in;margin-left:0in;font-size:12.0pt;font-family:"Times New Roman","serif";margin:0in;margin-bottom:.0001pt;text-align:center'>3</p>

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[{"type": "8-K", "sequence": "1", "filename": "esplugpower.htm", "secsgml_size_bytes": 31011}]
{"company-data": {"conformed-name": "PLUG POWER INC", "cik": "0001093691", "assigned-sic": "3620", "irs-number": "223672377", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34392", "film-number": "121242937"}, "business-address": {"street1": "968 ALBANY-SHAKER ROAD", "city": "LATHAM", "state": "NY", "zip": "12110", "phone": "5187827700"}, "mail-address": {"street1": "968 ALBANY-SHAKER ROAD", "city": "LATHAM", "state": "NY", "zip": "12110"}}
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):  November 29, 2012
Plug Power Inc.
(Exact name of registrant as specified in its charter)
Delaware
1-34392
22-3672377
(State or other jurisdiction
(Commission File
(IRS Employer
of incorporation)
Number)
Identification No.)
968
  Albany Shaker Road,
Latham, New York
12110
(Address of principal executive offices)
(Zip Code)
Registrant's
telephone number, including area code:
(518) 782-7700
N/A
(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 (
see
General
Instruction A.2. below):
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))
o
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.
On November 29, 2012 Plug Power Inc. (the "Company") executed
a Third Loan Modification Agreement (the "Loan Modification") with
Silicon Valley Bank, amending the August 9, 2011 Loan and Security Agreement (as
modified by the First Loan Modification Agreement, dated as of September 28,
2011 and the Second Loan Modification Agreement, dated as of March 30, 2012,
both by and between the Company and Silicon Valley Bank, the "Loan
Agreement").  The Loan Modification, among other things, waived the
Company's failure to comply with the Adjusted Quick Ratio financial
covenant as of the months ended September 30, 2012 and October 31, 2012, revised
the future Adjusted Quick Ratio covenant level and removed the Company's
ability to request financing for Inventory Placeholder Invoices.  A copy
of the Loan Modification is attached hereto as Exhibit 10.1 and is incorporated
herein by reference.  The remaining terms of the Loan Agreement, as
disclosed in the Company's Quarterly Report on 10Q filed on November 14,
2012, remain in full force and effect.
Item 9.01. 
     Financial Statements and Exhibits
(d)
       Exhibits.
10.1     Third
Loan Modification Agreement dated November 29, 2012, by and between Plug Power
Inc. and Silicon Valley Bank.
2
SIGNATURE
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.
Plug Power Inc.
Date:    December 5, 2012
By:
/s/ Andrew
  Marsh
Name:  Andrew Marsh
Title:     President and Chief Executive Officer
3