As of March 16, 2026, Tesla and LG Energy Solution have reached a $4.3 billion agreement to build a new battery factory in Michigan. [1] The plant is expected to start operating around 2027 and will produce lithium iron phosphate (LFP) batteries, which are widely used in large-scale energy storage systems. These batteries will mainly support Tesla’s energy storage products, which help store electricity and supply power when demand is high or when renewable generation is low. The deal is part of a broader effort to increase battery manufacturing in the United States and strengthen domestic supply chains. The agreement includes a multi-year supply commitment, with flexibility to adjust production volumes and extend the contract depending on future demand, and it focuses specifically on supplying batteries for Tesla’s energy storage business rather than its electric vehicles.
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