Projects in Development

SemCAMS Cogeneration Project

TransAlta and SemCAMS Midstream ULC (“SemCAMS”) have entered into definitive agreements to develop, construct and operate a new cogeneration facility at the SemCAMS Kaybob South No. 3 sour gas processing plant.

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Skookumchuck Wind Project

The 136.8 MW Skookumchuck Wind Project will be located on approximately 19,500 acres of land across Thurston and Lewis counties in the state of Washington, U.S.

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Antrim Wind Project

The Antrim Wind Project is situated on over 1700 acres of land located in Hillsborough County, New Hampshire.

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The Windrise Wind Project is situated on 11,000 acres of land located in the Municipal District of Willow Creek.

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Windrise Transmission Project

The proposed Windrise Transmission Project will connect the Windrise Wind Project to Alberta’s electricity system through a 138,000 volt transmission line approximately 21km in length.

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WindCharger Battery Storage

TransAlta is excited to introduce Alberta’s first utility-scale lithium-ion battery storage facility located in the MD of Pincher Creek.

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Big Level

The Big Level Wind Project is located on approximately 6,900 acres of privately owned land in Hector Township, near the Town of Westfield, Pennsylvania. The Project was acquired by TransAlta in February 2018 with construction beginning in February 2018.

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Antelope Coulee

TransAlta has been developing the Antelope Coulee Wind Project for over 7 years.

Located near Webb, Saskatchewan, TransAlta has undergone extensive evaluation of the 17,000-acre site, including: wind resource assessment, stakeholder engagement and consultation, and permitting and regulatory requirements.

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Garden Plain

The Garden Plain Wind Project is located on 14,000 acres of privately owned land north of Hanna in Paintearth County and Special Area No. 2.

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Cowley Ridge Repower

After a long and productive life of 23 years, the Cowley Ridge Wind Farm was retired and dismantled in 2016.

Recognizing the many positive attributes that this site holds; from its desirable wind resource, environmental suitability and proximity to transmission; TransAlta believes it is fitting to repower this site to continue its legacy in providing clean, affordable and reliable wind power to Albertans. In doing so, the Cowley Ridge Wind Farm will be the first wind farm to be repowered in Canada.

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Our beginnings started in Alberta over 100 years ago. Today, we stretch across the country providing the electricity Canadians need every day.


TransAlta Energy Australia is building on our 20-year history in the country with significant new investments made over the past few years.

United States

Our United States operations began in Centralia, Washington. Since then, we have grown to five facilities spanning coal, hydro, solar and wind generation.