General Motors has announced a 15-year renewable purchase agreement with NorthStar Clean Energy for three of its GM assembly plants.

Rob Threlkeld, GM director of global energy strategy said: “By expanding our renewable electricity portfolio, we are taking a major step forward in reducing our carbon footprint and advancing our broader sustainability goals.”

NorthStar’s Newport Solar project in Newport, Arkansas, will support the electricity needs of GM’s Lansing Delta Township Assembly and Lansing Grand River Assembly in Michigan, and the Wentzville Assembly site in Missouri by adding renewable energy directly to the grid the automaker sources from. The Newport project has a capacity of 180 megawatts.

GM says this is the largest power purchase deal yet and an important milestone in its goal to be carbon neutral by 2040.

 In 2022, GM announced that it had finalised the energy sourcing agreements required to secure 100% of the energy needed to power all its US sites with renewable electricity by the end of 2025.

NorthStar Clean Energy is a unit of CMS Energy.

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