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Kibby Wind Power Project Conservation Agreement Advisory

MediaAdvisory

CALGARY, Alberta – October 7, 2008 – TransCanada Corporation (TSX, NYSE: TRP) (TransCanada) will announce the Kibby Wind Power Project Conservation Agreement with a celebration event on October 9, 2008.

The Conservation Agreement has two components. First, TransCanada has agreed not to develop wind power on approximately 1,100 acres of high-elevation ridgelines near the project site. Second, TransCanada is contributing $500,000 towards a larger conservation effort by the State in partnership with the Trust for Public Land (TPL). TransCanada’s contribution will ensure the protection of a buffer along approximately four miles of the Grafton Loop Trail, a backcountry hiking trail with exceptional scenic and ecological value.

The Kibby Wind Power Project will be the largest wind power development in New England, providing enough clean, renewable electricity for the equivalent of 50,000 average Maine homes.

TransCanada has started construction and expects to finish the project in 2009/2010. The wind farm will be located along Kibby Mountain and Kibby Range in the Boundary Mountains of Maine, northwest of Stratton. The Kibby Wind Power Project will be capable of producing about 132 megawatts of electricity.

Conservation Agreement Celebration

Date: October 9, 2008

Time: 10:30 a.m. - Presentations and photo opportunity

11:30 a.m.
- Media interviews
- Buffet lunch

Place: Augusta Country Club
Route 202
Manchester, Maine

Directions: From north or south on I-95 take Exit 109 (Winthrop, Augusta) follow signs to Winthrop, which leads west on route 202. Take route 202 west for three miles. The Augusta Country Club is on the left.

Who: Members of the Kibby Wind Power Project team will thank the environmental leaders who participated in the development of the Conservation Agreement; including representatives from the Appalachian Mountain Club, Maine

Audubon, the Natural Resources Council of Maine, and the Trust for Public Land.

With more than 50 years’ experience, TransCanada is a leader in the responsible development and reliable operation of North American energy infrastructure including natural gas pipelines, power generation, gas storage facilities, and projects related to oil pipelines and LNG facilities. TransCanada’s network of wholly owned pipelines extends more than 59,000 kilometres (36,500 miles), tapping into virtually all major gas supply basins in North America. TransCanada is one of the continent’s largest providers of gas storage and related services with approximately 355 billion cubic feet of storage capacity. A growing independent power producer, TransCanada owns, or has interests in, over 10,900 megawatts of power generation in Canada and the United States. TransCanada’s common shares trade on the Toronto and New York stock exchanges under the symbol TRP.

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Media Inquiries: Cecily Dobson

(403) 920-7859
(800) 608-7859

Investor & Analyst Inquiries: David Moneta/Myles Dougan/Terry Hook

(403) 920-7911
(800) 361-6522