GM to Close Brownstown Battery Plant, Repurpose Detroit Fuel-Cell Site amid Softer EV Demand

General Motors is moving forward with two facility changes in Michigan: the automaker will close its Brownstown Battery Assembly plant and repurpose a separate Detroit-area plant that had been involved with hydrogen fuel-cell development. The Brownstown site had supported battery and electric-drive work for vehicles including the Cadillac Celestiq and the Chevrolet Corvette E-Ray; closing it signals a scaling back of some battery assembly operations.

The Detroit-area facility that had been linked to a hydrogen fuel-cell project will be reassigned after that program was canceled, leaving the smaller plant in need of a new role. Car and Driver framed both moves within a broader context of softer-than-expected consumer demand for EVs, which has prompted GM to adjust investments and plant usage.

For Michigan enthusiasts and local workers, the changes matter because they affect regional manufacturing capacity tied to high-profile GM nameplates and experimental propulsion technologies. What is known next is limited: GM plans to repurpose the Detroit facility, but specific future uses, timelines, and workforce impacts have not been detailed in the available report.