Exowatt Seeks to Solve AI Data Centres' Energy Crisis with Hot Rocks
Exowatt closed a $50 million funding round in November 2025, led by MVP Ventures and 8090 Industries, extending the company's April 2025 $70 million Series A round to a total of $120 million raised. The startup, backed by Sam Altman and Andreessen Horowitz, is attempting to provide continuous,