SALT LAKE CITY--(BUSINESS WIRE)--Nov 13, 2025--

Rio Tinto’s Kennecott operation has progressed its decarbonisation objectives by signing a 15-year virtual power purchase agreement (VPPA) with TerraGen for renewable energy from a newly completed wind farm in Texas.

Under the agreement, Rio Tinto will purchase 78.5 megawatts (MW) of renewable energy generated by TerraGen’s 238.5 MW Monte Cristo I Windpower project. Commercial operations were commemorated with a ribbon cutting ceremony on site today.

Rio Tinto Kennecott Managing Director Nate Foster said: “This agreement strengthens Rio Tinto’s renewable energy portfolio in the United States and supports the continued growth of greenfield renewable energy generation capacity in the U.S. grid.

“It’s the latest in a series of renewable ener

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