Atlantic Power Corporation Third Quarter 2007 Results & Conference Call

TORONTO, ONTARIO--(Marketwire - Oct. 4, 2007) - Atlantic Power Corporation (TSX:ATP.UN)(TSX:ATP.DB) ("Atlantic Power") will release its financial results for the three and nine months ended September 30, 2007 on Tuesday, November 13, 2007. A telephone conference call hosted by Atlantic Power's management team will be held:

                Wednesday, November 14, 2007 at 10.00 am ET

The telephone numbers for the conference call are:

                  Local / International: (416) 849-2698
                 North American Toll Free: (866) 400-2270


The Conference Call will also be broadcast over Atlantic Power's website at www.atlanticpowercorporation.com. Please call or log in 10 minutes prior to the call.

Replay/Archive

The telephone numbers to listen to the conference call after it is completed (Instant Replay) are local (416) 915-1035 or toll free (866) 245-6755. Please enter the passcode 284006# when instructed. The Instant Replay will be available until midnight, November 21, 2007. The conference call will also be archived on Atlantic Power's web site.

About Atlantic Power

Atlantic Power Corporation owns interests in a diversified portfolio of 15 power generation projects and one transmission line located primarily in major markets in the United States. Atlantic Power's objectives are to sustain and grow its cash distributions over the long term by enhancing the performance of its existing assets and by making accretive acquisitions.

FOR FURTHER INFORMATION PLEASE CONTACT:
        Atlantic Power Corporation
        
        Barry Welch
        (617) 977-2700
        Email: info@atlanticpowercorporation.com

Source: Atlantic Power Corporation
Contact: Atlantic Power Corporation Barry Welch (617) 977-2700 Email: info@atlanticpowercorporation.com Website: www.atlanticpowercorporation.com