Blue Current, Inc.
Renewable Energy Semiconductor ManufacturingCalifornia, United States51-200 Employees
Blue Current, Inc. is a renewable energy semiconductor manufacturing company based in Hayward, California. It develops and manufactures silicon elastic composite solid-state batteries for electric vehicles and other non-automotive device applications. The company emphasizes a science-driven approach with data and intellectual property across the full solid-state battery solution stack. It employs between 51 and 200 people. In December 2025, Blue Current completed a Series D1 financing anchored by Amazon, with additional investors, and appointed James Hamilton as Senior Vice President and Distinguished Engineer, who joined the board; in November 2024, Susan Stone was appointed chief executive officer. Revenue is reported in the range of $25 million to $50 million.