TransCanada’s Bécancour Cogeneration Project Receives Government Approval

CALGARY, Alberta – July 5, 2004 – (TSX: TRP) (NYSE: TRP) – TransCanada Corporation announced today that it has received approval from the Québec Government to develop the 550 megawatt natural gas-fired cogeneration power plant in Bécancour, Québec. Construction activities will begin at the site in upcoming weeks.

The power plant will be located in the Bécancour Industrial Park, near Trois-Rivières and will supply its entire power output to Hydro-Québec Distribution under a 20-year power purchase agreement. The plant will also supply steam to Norsk Hydro and Pioneer Chemicals Inc. located within the industrial park.

The Bécancour contract was approved by the Régie de l’Energie on August 23, 2003. The Bureau d’Audience Publique sur l’Environment reviewed the Bécancour project and on April 13, 2004 concluded the proposed cogeneration facility meets or exceeds all environmental regulations in Québec.

“We are pleased the government of Québec has authorized the project,” said Hal Kvisle, TransCanada’s chief executive officer. “We are confident we will meet our in-service date of September 2006 and look forward to providing Québec with this much needed additional energy supply.”

SNC-Lavalin Services Ltd., an SNC-Lavalin Business Unit, has been awarded a contract to design, construct and commission the power plant. It is expected that up to 500 construction jobs will be created. In addition, a number of local businesses will be needed to provide services to the project during the construction and operating phases. Approximately 25 full-time positions will be required to operate the facility. During the life of the facility, routine operations and maintenance will require ongoing support from suppliers and specialty contractors from across the region.

The cost of the Bécancour project is estimated at approximately $500 million.

“We would like to thank the organizations and governments of Bécancour and Trois-Rivières for their strong show of support for this project. We look forward to soon becoming a member of this community,” said Mr. Kvisle.

TransCanada is a leading North American energy company. We are focused on natural gas transmission and power services with employees who are expert in these businesses. Our network of approximately 39,000 kilometres (24,200 miles) of pipeline transports the majority of Western Canada’s natural gas production to the fastest growing markets in Canada and the United States. TransCanada owns, controls or is constructing nearly 4,700 megawatts of power – an equal amount of power can meet the needs of about 4.7 million average households. Our common shares trade under the symbol TRP on the Toronto and New York stock exchanges.

Note: All financial figures are in Canadian dollars unless noted otherwise.

Certain information in this news release is forward-looking and is subject to important risks and uncertainties. The results or events predicted in this information may differ from actual results or events. Factors which could cause actual results or events to differ materially from current expectations include, among other things, the ability of TransCanada to successfully implement its strategic initiatives and whether such strategic initiatives will yield the expected benefits, the availability and price of energy commodities, regulatory decisions, competitive factors in the pipeline and power industry sectors, and the current economic conditions in North America. For additional information on these and other factors, see the reports filed by TransCanada with Canadian securities regulators and with the United States Securities and Exchange Commission. TransCanada disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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