Exowatt
13 known investors
Exowatt builds modular clean energy infrastructure systems designed for 24/7 solar power generation, targeting global AI infrastructure and critical industries that require reliable, ultra-low-cost sustainable power. The company manufactures its systems in the United States.
Founders & leadership
HH
Hannan HappiFounder & CEO
Investors · 13
Andreessen HorowitzMenlo Park · $500K – $50M
AtomicSan Francisco
Bay Bridge Ventures ClimateBerkeley
Black FlagSan Diego · $100K – $1M
Bleu CapitalNew York · $150K – $500Kvia Jean-Pierre Chessé · inferred
Felicis VenturesSan Francisco · $500K – $15M
Fundamental VenturesLakewayvia Charlie Pinto · inferred
Ineffable VenturesStamfordvia Jared Kasner · inferred
Inflection VenturesNew Yorkvia Kabe Roashan · inferred
MVP VenturesChicago
ProtagonistBay Harbor Islands · $10K – $1M
8090 IndustriesreportedNew York
MassivereportedBoulder · $1M – $3M
In the news
- Sam Altman-backed Exowatt targets 'Frontier Land' data centers with modular solar thermal storage - pv magazine USApv-magazine-usa.com · 2026
- Exowatt raises $70m in Series A funding, touts 90GWh pipeline from data center market - DCDdatacenterdynamics.com · 2026
- Sam Altman-Backed Exowatt Raises $50 Million to Power Data Centers with Round-the-Clock Clean Energy - ESG Todayesgtoday.com · 2025
- Exowatt Raises Additional $50 Million to Accelerate U.S. Rollout of Dispatchable Solar for the AI Erabusinesswire.com · 2025