Atlantic Power Corporation First Quarter 2007 Results & Conference Call

TORONTO, ONTARIO--(CCNMatthews - April 20, 2007) - Atlantic Power Corporation ("Atlantic Power") (TSX:ATP.UN)(TSX:ATP.DB) will release its financial results for the three months ended March 31, 2007 on Tuesday, May 15, 2007. A telephone conference call hosted by Atlantic Power's management team will be held:

Wednesday, May 16, 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 Please call or log in 10 minutes prior to the call.


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 993849# when instructed. The Instant Replay will be available until midnight, May 22, 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.

        Atlantic Power Corporation
        Barry Welch
        (617) 977-2700

Source: Atlantic Power Corporation
Contact: Atlantic Power Corporation Barry Welch (617) 977-2700 Email: Website: