TORONTO, ONTARIO--(CCNMatthews - April 19, 2006) - Atlantic Power (TSX:ATP.UN) will release its financial results for the three months ended March 31, 2006 on the afternoon of Thursday, May 12, 2006. A telephone conference call hosted by Atlantic Power's management team will be held:

Friday, May 12, 2006 at 11:00 am ET

The telephone numbers for the conference call are:

(416) 340-8010

(866) 540-8136

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.

The telephone numbers to listen to the conference call after it is completed (Instant Replay) are (416) 695-5800 or (800) 408-3053. Please enter the passcode 3183013# when instructed. The Instant Replay will be available until midnight, May 18, 2006. 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 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