Automakers Enter Energy Storage Market as Battery Demand Surges

Automakers are increasingly pivoting toward energy storage as a core business, with Tesla already dominating the market by capturing 82% of the 57 gigawatt-hours installed last year. GM announced a new sodium-ion battery chemistry aimed at the stationary storage market, while Ford and other manufacturers are also entering the space. The energy storage market is being driven by three converging trends: explosive growth in data center construction for AI applications (expected to nearly triple by decade's end), broad electrification of transportation and manufacturing, and significantly higher profit margins—Tesla's energy segment achieves roughly 30% gross margins compared to 11% for traditional automaking. Despite the market's potential, GM is taking a measured approach, with its sodium-ion products not arriving until later this decade, partly to preserve lithium-ion manufacturing capacity in case EV demand rebounds. Startups are also capitalizing on the opportunity, with companies like Base Power and Lunar Energy raising hundreds of millions in recent funding rounds.