0001179110-16-030156 4 1 20160930 20161003 20161003 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 Gerstein Irving Russell 0001489403 4 34 001-34691 161915492 200 CLARENDON STREET BOSTON MA 02116 4 1 edgar.xml FORM 4 -