TransAlta sets the date for its next Alberta wholesale power auction

Aug 29, 2011

CALGARY, Alberta (August 29, 2011) – TransAlta Corporation (TSX:TA) (NYSE:TAC) today announced it will be hosting its fifth Alberta fixed-price wholesale power auction on Thursday, September 29, 2011. For Alberta wholesale power buyers seeking competitive prices for their long-term electricity needs, power auctions offer an efficient means to secure an affordable and reliable supply.

TransAlta has been holding Alberta power auctions since 2009 attracting a variety of participants including Canadian wholesale banks, industrials and trading companies. At the upcoming September 29th auction, TransAlta will be selling a two-year strip of Alberta power (2012 – 2013).

The auction will be facilitated by World Energy Solutions Inc. (NASDAQ: XWES), an operator of online exchanges for energy and green commodities.

For more details about the wholesale power auction, click here. To learn more about TransAlta’s energy products and services, visit

TransAlta is a power generation and wholesale marketing company focused on creating long-term shareholder value. TransAlta maintains a low-to-moderate risk profile by operating a highly contracted portfolio of assets in Canada, the United States and Australia. TransAlta’s focus is to efficiently operate our biomass, geothermal, wind, hydro, natural gas and coal facilities in order to provide our customers with a reliable, low-cost source of power. For 100 years, TransAlta has been a responsible operator and a proud contributor to the communities where we work and live. TransAlta is recognized for its leadership on sustainability by the Dow Jones Sustainability North America Index, the FTSE4Good Index and the Jantzi Social Index. TransAlta is Canada’s largest investor-owned renewable energy provider.

For more information:

Auction Inquiries:

Cory St. Croix
Senior Originator
Phone: (403) 267-6929 or Email:

Media Inquiries:

Glen Whenlan
Manager, Public Affairs
Phone: (403) 267-7287 or Email:

Investor Inquiries:

Jess Nieukerk
Director, Investor Relations
Phone: 1 800-387-3598 in Canada and U.S.