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Exowatt
L0 · Energy & Power
behind-the-meter generationstartupprivateseries B
Energy first
Exowatt builds modular solar-plus-thermal-storage units (P3) that capture solar heat and dispatch it as electricity for up to 24 hours. It targets data centers and industrial facilities needing fast, firm onsite power.
Ecosystem functionA dispatchable-solar-plus-thermal-storage startup differentiated by bypassing lithium supply chains entirely, backed by Sam Altman and Leonardo DiCaprio as angels.
Business modelSells/deploys modular solar-thermal systems
Revenue—
Valuation—
Last round$50Mled by MVP Ventures / 8090 Industries · 2025
Sources · 5 ↓
- https://www.ess-news.com/2025/04/25/thermal-storage-startup-exowatt-gets-funding-injection-from-silicon-valley-vcs/
- https://mercomcapital.com/thermal-energy-storage-exowatt-raises-funding/
- https://www.exowatt.com/
- https://www.exowatt.com/news/exowatt-launches-with-20-million-to-modernize-data-center-power-for-the-ai-era
- https://finance.yahoo.com/news/exowatt-closes-70-million-series-120000346.html
Suggest an editLast verified 2026-07-26