TransAlta Corporation announced that the 200 MW Horizon Hill Wind Project ("Horizon Hill"), located in Logan County, Oklahoma, has achieved commercial operation. The facility is fully contracted to Meta Platforms Inc. ("Meta"), which is receiving both clean electricity and environmental attributes from the new facility. Horizon Hill Highlights: Long-term contracted revenues with Meta who will receive 100% of both renewable electricity and environmental attributes; Facility includes 34 Vestas V162 and V136 turbines, of which 33 have 119-metre towers and one has a 105-metre tower; 10-year transfer agreement for approximately 80% of PTCs, which are subject to an annual inflation adjustment factor, with an AA- rated third-party customer, with opportunity to contract the remaining 20%; Extends TransAlta's weighted-average contract life of its renewables portfolio to over 12 years; and Estimated average annual adjusted EBITDA range between USD 31 and USD 33 million, including third-party sales of PTCs.