Climate tech venture capital spans renewable energy, grid modernization, carbon capture, sustainable materials, and software for emissions tracking. Our climate-tech coverage tracks the funds and rounds addressing the energy transition and decarbonization economy.
Browse climate tech venture capital articles below.
British Business Bank led Certain Energy’s £10M Series A with Centrica, Ceres, and Temasek Trust C3H — Imperial spinout (ex-RFC Power) aiming at UK curtailment costs and an India MWh demo.
MIT spinoff Apollo Atomics raised $31M seed (FCVC lead; YC, Alumni Ventures) for compact PWRs built in factories and trucked to site — >20 GW LOI pipeline claimed.
Emerald AI closed a $150M Series A on August 25, 2026, at $1.05B. Energize Capital and DCVC co-led. NVIDIA and General Catalyst’s scout fund participated. The 100 GW grid figure is the company’s estimate, not a measured capacity print.
Gatik closed a $200M Series D on August 25, 2026, led by Qatar Investment Authority and Koch Disruptive Technologies. No valuation was disclosed. Company: >$600M contracted revenue and 85,000 driverless orders. Total raised ~$500M.
Ohio’s Sonic Fire Tech raised $15M (O.H.I.O. Fund lead; Khosla Ventures) for acoustic fire suppression that aims to kill flames without water/chemical damage — NFPA path next.
Aug 19–20, 2026: Castelion $1B Series C at $13B ($800M equity + $250M revolver), Rivian spinout ALSO $150M Series D, Thunder Compute $13M (YC), plus Navi, Rundoo, Network Bio, Relativity Networks, and Peeko. Centralize’s $19M is July 29, not new August tape.
