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• Also, a micromobility company spun out of Rivian last year, raised $150m in Series D funding. Prysm Capital led, joined by Eclipse, Greenoaks, and MVP Ventures. Go deeper

• Apollo Atomics, an MIT spinoff building next-gen pressurized water reactors, raised $31m in seed financing led by FCVC and joined by YC, Telesoft Partners, Alumni Ventures, Robinhood Ventures, Nucleation Capital, Pelion VC, and Duke Capital Partners. Go deeper

• Ampaire, a Long Beach, Calif.-based developer of hybrid-electric aircraft propulsion systems, raised $19m in Series B funding. DiamondStream Partners led, joined by Alaska Airlines and International Airlines Group. Go deeper

• Sonic Fire Tech, a Cleveland, Ohio-based developer of acoustic fire suppression systems for data centers, commercial kitchens and homes, raised $15m. The O.H.I.O. Fund led, joined by Khosla Ventures. Go deeper

• RockRose Risk, a Napa, Calif.-based firezone insurance broker, raised a $12.5m Series A co-led by Congruent Ventures and Crosslink Capital, and including Nuveen. Go deeper

• Computomics, a German crop breeding startup, raised €6.3m in Series B funding. Convent Capital led, joined by HTG, MBG Baden-Württemberg and Amathaon Capital. Go deeper

• Mafix, a Seattle-based enhanced rock weathering startup, raised $5.4m in pre-seed funding. Azolla Ventures led, joined by Counteract VC, Astera Institute, Plug and Play Ventures, Impact Science Ventures, and a Dutch family office. Go deeper

• Solinide Photonics, a Swedish developer of photonic chips, raised €4m in seed funding. Navigare Ventures and PSV Hafnium led, joined by Chalmers Ventures, Turbine Capital, Norrsken Evolve, and Almi Greentech Fund. Go deeper

• Canada Growth Fund and Rice Investment Group invested US$35m in EnerPure, a Canadian company developing motor oil recycling tech. Go deeper

• Stone Point Capital acquired the risk management unit of agri-food tech company Ever.Ag. Go deeper

• Agellus Capital acquired Phillips Fire & Life Safety, a Houston-based fire and life safety services company, adding it to Bluejack Fire & Life Safety. Go deeper

• Aventia, backed by Bernhard Capital Partners, acquired Bryant Hammett & Associates, a Louisiana-based civil engineering, land surveying and hazard mitigation firm. Go deeper

• KKR offered to acquire natural-gas and electricity distributor UGI Corp (NYSE:UGI) for roughly $9b, or $42.50 a share, per WSJ. Go deeper

• Continental Resources of Oklahoma agreed to buy a 50% stake in Phoenix Global Resources, an Argentinian shale oil firm owned by Mercuria Energy Group. Go deeper

• Mitsubishi Electric agreed to acquire PCI Energy Solutions, a Norman, Okla.-based energy software provider, for $1.4b. Go deeper

• Equinor (Oslo: EQNR) acquired an 87.7% stake in the Lackawanna Energy Center, a 1,483 MW gas-fired combined cycle power plant in Pennsylvania, for $940m from Invenergy. Go deeper

• Jefferies Credit Partners is targeting €1b for a secondaries fund, per Bloomberg. Go deeper

• Canadian uranium miner NexGen Energy, in talks with mining giant BHP, is looking to raise $1b for a Saskatchewan mining project, per Reuters. Go deeper

• Ann Anthony was appointed CFO of One Nuclear Energy, a West Palm Beach, Fla.-based natural gas and nuclear reactor developer. Anthony was CFO of Oberon Fuels. Go deeper

• Dimension Energy, an Atlanta-based distributed energy assets developer, closed $657m in construction-to-term debt and tax equity financing led by MUFG Bank, First Citizens Bank, ING Capital, and National Bank of Canada. It also upsized its corporate credit facility to $200m, led by Nuveen Energy Infrastructure Credit. Go deeper

• Elroy Air, an SF-based developer of autonomous heavy-lift drones, received a $46m multi-year U.S. Army contract to develop hybrid-electric aircraft. Go deeper

• Mesa Power Solutions, a Loveland, Colo.-based manufacturer of distributed power systems, is investing $70m to open a factory in Evansville, Wyo. Go deeper

Editor's note: This story was corrected to show Sonic Fire Tech is based in Cleveland, Ohio (not Columbus). 

Energy and climate deals of the week

Everything that happened the week of Aug. 17.

Illustration of an electric plug and socket surrounded by lightning bolts and the words "Energy and climate deals round up"

Illustration: Sarah Grillo/Axios. Stock: Getty Images

<h2 class="text-h6 !font-sans !font-normal !leading-[1.2em]">Venture Capital</h2>• Also, a micromobility company spun out of Rivian last year, raised $150m in Series D funding. Prysm Capital led, joined by Eclipse, Greenoaks, and MVP Ventures. <a class="gtmContentClick" data-vars-link-text="Go deeper" data-vars-click-url="https://axios.link/3Smr1lw" data-vars-content-id="9abd5545-e7d3-4f0a-b108-bfe87af00903" data-vars-headline="Energy and climate deals of the week" data-vars-event-category="story" data-vars-sub-category="story" data-vars-item="in_content_link" href="https://axios.link/3Smr1lw" target="_self">Go deeper</a>• Apollo Atomics, an MIT spinoff building next-gen pressurized water reactors, raised $31m in seed financing led by FCVC and joined by YC, Telesoft Partners, Alumni Ventures, Robinhood Ventures, Nucleation Capital, Pelion VC, and Duke Capital Partners. <a class="gtmContentClick" data-vars-link-text="Go deeper" data-vars-click-url="https://techcrunch.com/2026/08/20/apollo-atomics-wants-to-make-nuclear-power-cheaper-by-shrinking-an-overlooked-part/" data-vars-content-id="9abd5545-e7d3-4f0a-b108-bfe87af00903" data-vars-headline="Energy and climate deals of the week" data-vars-event-category="story" data-vars-sub-category="story" data-vars-item="in_content_link" href="https://techcrunch.com/2026/08/20/apollo-atomics-wants-to-make-nuclear-power-cheaper-by-shrinking-an-overlooked-part/" target="_blank">Go deeper</a>

Energy and climate deals of the week

Venture Capital

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