Company:  ATLANTIC POWER CORP (AT)
Form Type:  4
Filing Date:  12/2/2011 
CIK:  0001419242 
Address:  ONE FEDERAL STREET
FLOOR 30
 
City, State, Zip:  BOSTON, Massachusetts 02110 
Telephone:  617-977-2400 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$4.91  
Change: 
-0.04 (-0.81%)  
Trade Time: 
May 21  
Market Cap: 
$588.30M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES