BOSTON, MASSACHUSETTS -- (MARKET WIRE) -- 10/08/10 -- Atlantic Power Corporation (TSX: ATP)(NYSE: AT) ("Atlantic Power") will release its financial results for the three and nine months ended September 30, 2010 on the afternoon of Wednesday, November 10, 2010. A telephone conference call hosted by Atlantic Power's management team will be held:

Thursday, November 11, 2010 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.atlanticpower.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 49011# when instructed. The conference call will also be archived on Atlantic Power's web site.

About Atlantic Power

Atlantic Power Corporation is an independent power producer, with power projects located in major markets in the United States. Our current portfolio consists of interests in 12 operational power generation projects across eight states, one wind project under construction in Idaho, a 500 kilovolt 84-mile electric transmission line located in California, and six development projects in five states. Our power generation projects in operation have an aggregate gross electric generation capacity of approximately 1,823 megawatts (or "MW"), in which our ownership interest is approximately 808 MW. For more information, please visit the Company's website at www.atlanticpower.com.

Contacts:
Atlantic Power Corporation
Patrick Welch
Chief Financial Officer
(617) 977-2700
info@atlanticpower.com
www.atlanticpower.com