0001047469-10-006586 10-Q/A 3 20100331 20100723 20100723 ATLANTIC POWER CORP 0001419242 4900 550886410 A1 1231 10-Q/A 34 001-34691 10968042 200 CLARENDON STREET FLOOR 25 BOSTON MA 02116 617-977-2701 200 CLARENDON STREET FLOOR 25 BOSTON MA 02116 10-Q/A 1 a2199483z10-qa.htm 10-Q/A EX-31.1 2 a2199483zex-31_1.htm EXHIBIT 31.1 EX-31.2 3 a2199483zex-31_2.htm EXHIBIT 31.2