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<SEC-DOCUMENT>0001104659-10-039056.txt : 20100914
<SEC-HEADER>0001104659-10-039056.hdr.sgml : 20100914
<ACCEPTANCE-DATETIME>20100722121032
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-10-039056
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100722

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATLANTIC POWER CORP
		CENTRAL INDEX KEY:			0001419242
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC, GAS & SANITARY SERVICES [4900]
		IRS NUMBER:				550886410
		STATE OF INCORPORATION:			A1
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		FLOOR 25
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-977-2701

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		FLOOR 25
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>

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<div style="font-family:Times New Roman;">

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Atlantic Power Corporation</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">200 Clarendon Street, Floor 25</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Boston, MA 02116</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">July&nbsp;22, 2010</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Via EDGAR transmission and
Facsimile (703.813.6980)</font></u></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">U.S. Securities and Exchange Commission</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Division of Corporation Finance</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">100 F Street, NE</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Washington, D.C. 20549-6010</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attn: Scott Anderegg</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Re:</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u><font size="2" style="font-size:10.0pt;">Atlantic Power Corporation (the &#147;Registrant&#148;): Registration Statement on
Form&nbsp;10<br>
(File No.&nbsp;001-34691) filed pursuant to Section&nbsp;12(b)&nbsp;of the
Securities Exchange Act of 1934, as amended (the &#147;Registration Statement&#148;)</font></u></p>

<p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dear Mr.&nbsp;Anderegg:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Registrant hereby respectfully requests
acceleration of the effective date of the Registration Statement so that it may
be declared effective at 2:00&nbsp;p.m., Eastern time, on Thursday, July&nbsp;22,
2010, or as soon as practicable thereafter.&#160;
The Registrant is aware of its obligations under the Securities Exchange
Act of 1934, as amended, as they relate to the securities specified in the
Registration Statement.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Registrant hereby acknowledges the following:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.25in;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">should
the Securities and Exchange Commission (the &#147;Commission&#148;) or the Staff, acting
pursuant to delegated authority, declare the filing effective, it does not
foreclose the Commission from taking any action with respect to the filing;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.25in;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">the
action of the Commission or the Staff, acting pursuant to delegated authority,
in declaring the filing effective, does not relieve the Registrant from its
full responsibility for the adequacy and accuracy of the disclosure in the
filing; and</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.25in;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">the
Registrant may not assert Staff comments and the declaration of effectiveness
as a defense in any proceeding initiated by the Commission or any person under
the federal securities laws of the United States.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If you have any questions regarding this request,
please contact Yoel Kranz of Goodwin Procter LLP at (617) 570-1760.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sincerely,</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ATLANTIC POWER CORPORATION</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="44%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:44.84%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Patrick J. Welch</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Patrick J. Welch</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Financial Officer</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2<a name="PB_2_210949_5335"></a></font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>
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