<html>

<head>
<!-- Document Prepared With IDEAxfiler Software-->
<!-- Copyright 2009 IDEAxfiler TRADEMARK-->
<!-- All rights reserved EDGAR2.com -->



<title>Plug Power 8-K</title>



</head>

<body lang=EN-US>

<div style='page:Section1;'>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:Arial;margin-bottom:12.0pt'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:Arial;margin-bottom:12.0pt'><b>&nbsp;</b></p>

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

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

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

<p style='margin-bottom:.0001pt;text-align:center;font-family:Times New Roman;margin-bottom:12.0pt; margin-left:0in; margin-right:0in; margin-top:0in'><b>
<font size="4">UNITED STATES</font></b></p>

<p style='margin-bottom:.0001pt;text-align:center;font-family:Times New Roman;margin-bottom:12.0pt; margin-left:0in; margin-right:0in; margin-top:0in'><b>
<font size="4">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:24.0pt;margin-left:0in;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-bottom:12.0pt'>Washington, D.C. 20549</p>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;'>_______________________________</p>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:Arial;margin-bottom:12.0pt'>&nbsp;</p>

<p style='margin-bottom:.0001pt;text-align:center;font-family:Times New Roman;margin-bottom:12.0pt; margin-left:0in; margin-right:0in; margin-top:0in'><b>
<font size="4">FORM 8&#8209;K</font></b></p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:24.0pt;margin-left:0in;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-bottom:12.0pt'>CURRENT REPORT</p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:24.0pt;margin-left:0in;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-bottom:12.0pt'>Pursuant to Section 13 or
15(d) of the<br>
Securities Exchange Act of 1934</p>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;'><i>__________________________________</i></p>

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

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>Date of Report (Date
of earliest event reported):&nbsp; <b><u>September 28, 2011</u></b></p>

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

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

<table class=MsoNormalTable border=0 cellpadding=0
 style='border-collapse:collapse' width="100%" id="table1">
 <tr>
  <td valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>&nbsp;</p>
  </td>
  <td valign=top style='border-left:medium none; border-right:medium none; border-top:medium none; border-bottom:1.0pt solid windowtext; padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 14.0pt">PLUG POWER INC.</font></b></p>
  </td>
  <td valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>&nbsp;</p>
  </td>
 </tr>
</table>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-bottom:.25in'><font style="font-size: 10.0pt">(Exact
name of registrant as specified in charter)</font></p>

<div align="center">

<table class=MsoNormalTable border=0 cellpadding=0
 style='margin-left:0pt;border-collapse:collapse' width="100%" id="table2">
 <tr>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center;border:none;
  padding:0in'><b>Delaware</b></p>
  </div>
  </td>
  <td valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center;border:none;
  padding:0in'><b>1-34392</b></p>
  </div>
  </td>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center;border:none;
  padding:0in'><b>22-3672377</b></p>
  </div>
  </td>
 </tr>
 <tr>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>(State or Other
  Jurisdiction<br>
  of Incorporation)</p>
  </td>
  <td width="34%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>(Commission File
  Number)</p>
  </td>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>(IRS Employer<br>
  Identification No.)</p>
  </td>
 </tr>
</table>

</div>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-top:.25in'><u>968
  Albany Shaker Road, Latham, New York&nbsp; 12110<br>
</u><font style="font-size: 10.0pt">(Address of Principal Executive
Offices)&nbsp; (Zip Code)</font></p>

<p style='margin:0in;margin-bottom:.0001pt;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;margin-top:.25in'><u>(518)
782-7700<br>
</u><font style="font-size: 10.0pt">(Registrant&#146;s telephone number,
including area code)</font></p>

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

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

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

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

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

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

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

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

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

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

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><font style="font-size: 11.0pt">&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; </font></p>

<div style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>

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

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

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

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

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

</div>

<b><br clear=all
style='page-break-before:always'>
</b>

<div style='page:Section2;'>

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

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

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

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

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-autospace:none'><b>Item 1.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Entry into a
Material Definitive Agreement.</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-autospace:none'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:23.05pt;text-autospace:none'><font style="font-size: 10.0pt">On September 28, 2011, Plug Power Inc. (the &#147;Company&#148;)
executed a First Loan Modification Agreement (the &#147;Loan Modification&#148;) with
Silicon Valley Bank, amending the August 9, 2011 Loan and Security Agreement.&nbsp;
The Loan Modification removed the $750,000 sublimit for outstanding letters of
credit, foreign exchange contract financing and amounts utilized for cash
management services, making the full $7 million credit facility available for
financing accounts receivables and eligible inventory.&nbsp; All remaining terms of
the August 9, 2011 Loan and Security Agreement, as disclosed in the Company&#146;s Quarterly
Report on 10Q filed on August 11, 2011, remain in full force and effect.&nbsp; A
copy of the Loan Modification is attached hereto as Exhibit 10.1 and is
incorporated herein by reference.</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:23.05pt;text-autospace:none'><font style="font-size: 10.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:23.05pt;text-autospace:none'><font style="font-size: 10.0pt">&nbsp;</font></p>

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

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-autospace:none'><b>&nbsp;</b></p>

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

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

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="93%"
 style='width:93.0%;margin-left:.25in;border-collapse:collapse'>
 <tr>
  <td width="19%" valign=bottom style='width:19.24%;border:none;border-bottom:
  solid windowtext 1.0pt;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b>Exhibit&nbsp;Number</b></p>
  </td>
  <td width="0%" valign=bottom style='width:.68%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>
  </td>
  <td width="80%" valign=bottom style='width:80.08%;border:none;border-bottom:
  solid windowtext 1.0pt;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>Title</b></p>
  </td>
 </tr>
 <tr>
  <td width="19%" valign=top style='width:19.24%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
  </td>
  <td width="0%" valign=bottom style='width:.68%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
  </td>
  <td width="80%" valign=top style='width:80.08%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="19%" valign=top style='width:19.24%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>
	10.1</p>
  </td>
  <td width="0%" valign=bottom style='width:.68%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
  </td>
  <td width="80%" valign=top style='width:80.08%;padding:0in 0in 0in 0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>First Loan Modification Agreement dated September 28,
  2011.</p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
  </td>
 </tr>
</table>

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

<div style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>

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

</div>

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


<p style='margin-top:0in;margin-right:0in;margin-bottom:24.0pt;margin-left:0in;text-align:center;font-size:12.0pt;font-family:"Times New Roman";font-weight:bold;'>SIGNATURES</p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;text-indent:10.5pt;font-size:10.0pt;font-family:"Times New Roman";text-indent:.5in'><font style="font-size: 12.0pt">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></p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:0in;text-indent:10.5pt;font-size:10.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<table border="0" style="border-collapse: collapse" width="100%" id="table3">
	<tr>
		<td width="50%" valign="top">

<p style='margin-top:12.0pt;margin-right:0in;margin-bottom:30.0pt;page-break-after:avoid;font-size:12.0pt;font-family:"Times New Roman";page-break-after:auto'>&nbsp;</p>

		</td>
		<td valign="top" width="50%">PLUG POWER
INC.</td>
	</tr>
	<tr>
		<td width="50%" valign="top">

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in;margin-right:0in;margin-bottom:
0in;margin-bottom:.0001pt;'>Date:&nbsp;
September&nbsp;30, 2011</p></td>
		<td valign="top" width="50%"><u>By: /s/ Andrew Marsh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
		</u></td>
	</tr>
	<tr>
		<td width="50%" valign="top">

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

		</td>
		<td valign="top" width="50%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Andrew Marsh</td>
	</tr>
	<tr>
		<td width="50%" valign="top">

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

		</td>
		<td valign="top" width="50%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Chief Executive Officer</td>
	</tr>
</table>


<div style='page:Section3;'>

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

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

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

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

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

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

<div style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>

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

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

</div>

</body>

</html>
[{"type": "8-K", "sequence": "1", "filename": "esplug8k9-30.htm", "secsgml_size_bytes": 21403}]
{"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": "111117219"}, "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"}}
Plug Power 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):
September 28, 2011
PLUG POWER INC.
(Exact
name of registrant as specified in charter)
Delaware
1-34392
22-3672377
(State or Other
  Jurisdiction
of Incorporation)
(Commission File
  Number)
(IRS Employer
Identification No.)
968
  Albany Shaker Road, Latham, New York  12110
(Address of Principal Executive
Offices)  (Zip Code)
(518)
782-7700
(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 (
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 September 28, 2011, Plug Power Inc. (the "Company")
executed a First Loan Modification Agreement (the "Loan Modification") with
Silicon Valley Bank, amending the August 9, 2011 Loan and Security Agreement. 
The Loan Modification removed the $750,000 sublimit for outstanding letters of
credit, foreign exchange contract financing and amounts utilized for cash
management services, making the full $7 million credit facility available for
financing accounts receivables and eligible inventory.  All remaining terms of
the August 9, 2011 Loan and Security Agreement, as disclosed in the Company's Quarterly
Report on 10Q filed on August 11, 2011, remain in full force and effect.  A
copy of the Loan Modification is attached hereto as Exhibit 10.1 and is
incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number
Title
10.1
First Loan Modification Agreement dated September 28,
  2011.
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 hereunto duly authorized.
PLUG POWER
INC.
Date: 
September 30, 2011
By: /s/ Andrew Marsh
Andrew Marsh
Chief Executive Officer