TransAlta and Pembina Pipeline Announce 100 MW Renewable Power Purchase Agreement and Launch of the Garden Plain Wind Project News provided by Share this article Share this article CALGARY, AB, May 3, 2021 /PRNewswire/ - TransAlta Corporation ("TransAlta" or the "Company") (TSX: TA) (NYSE: TAC) announced today that it has entered into a long-term Power Purchase Agreement ("PPA") with Pembina Pipeline Corporation ("Pembina") for the offtake of 100 MW from its proposed 130 MW Garden Plain Wind Power Project ("Garden Plain" or "facility"), to be located approximately 30 km north of Hanna, Alberta. Under this agreement, Pembina will receive both renewable electricity and environmental attributes for an 18-year term. This long-term contract with Pembina enables TransAlta to add the 130 MW Garden Plain Wind Project to its growing wind generation fleet.