TransAlta Achieves Commercial Operation of 200 MW Horizon Hill Wind Facility, increasing its United States Renewables Fleet to over 1 GW

Core Insights - TransAlta Corporation has announced the commercial operation of the 200 MW Horizon Hill Wind Project in Logan County, Oklahoma, which is fully contracted to Meta Platforms Inc. for clean electricity and environmental attributes [1][2] - The completion of Horizon Hill marks TransAlta's 30th wind facility and contributes to a total of 800 MW of contracted renewable electricity added since 2021, with over 60% of its fleet now contracted on a megawatt basis [2][3] - The facility is expected to generate an average annual adjusted EBITDA between US$31 million and US$33 million, including third-party sales of production tax credits (PTCs) [3] Company Developments - TransAlta has entered into a 10-year transfer agreement for approximately 80% of the expected PTCs from Horizon Hill with an AA- rated customer, with the remaining PTCs to be sold through spot transactions or contracted later [2][3] - The addition of Horizon Hill extends TransAlta's weighted-average contract life of its renewables portfolio to over 12 years [3] - The facility consists of 34 Vestas V162 and V136 turbines, enhancing TransAlta's US renewables fleet to over 1 GW [2][3] Environmental Commitment - TransAlta has achieved a 66% reduction in GHG emissions, equating to 21.3 million tonnes CO2e since 2015, and has received an upgraded MSCI ESG rating of AA [5]