0001179110-16-016871 4 1 20151231 20160104 20160104 ATLANTIC POWER CORP 0001419242 4900 550886410 A1 1231 3 ALLIED DRIVE SUITE 220 DEDHAM MA 02026 617-977-2400 3 ALLIED DRIVE SUITE 220 DEDHAM MA 02026 Ladhani Holli C. 0001221455 4 34 001-34691 161317474 2800 POST OAK BLVD. SUITE 4500 HOUSTON TX 77056 NICHOLS HOLLI 20030303 4 1 edgar.xml FORM 4 -