AlphaMaven AlphaMaven

$50M for German VPPs, $45M for Swedish materials discovery, new partners at CIV, Overture

Reported by Axios
Oct 17, 2026· 3 min read
Save Post LinkedIn Email
Key Takeaways
  • • Rabot Energy, a German platform turning homes into virtual power plants, raised $50M in Series B funding led by Endeit, with participation from DTCF and insiders HV Capital, HTGF, Bosch Ventures, CNI, Acurio Ventures and Vent.io.
  • • Holyvolt, a Swedish AI battery materials discovery startup, raised $45M from Fifth Wall, Zone II, and CC.VC.
  • • Atlas Atomics, a nuclear startup cofounded by Vivek Ramaswamy, reportedly raised $400M at a $1.9B valuation, led by General Catalyst with a16z participating.
  • • Aligned Climate Capital secured $387M for community solar projects led by Apollo's Apterra Infrastructure Capital, while H.I.G. Capital is targeting $2.6B for its second infrastructure fund.
  • • CIV promoted Josh Zoffer and Mitchell Brady to partners, and Lucie Hankin joined Overture as a partner, per the publication's personnel roundup.
Summary
Axios' weekly climate and energy investment roundup highlights several sizable financings across venture capital, private equity and fundraising. The largest venture rounds include Atlas Atomics, a nuclear startup cofounded by Vivek Ramaswamy, which reportedly raised $400M at a $1.9B valuation with General Catalyst leading and a16z joining. Icon, an Austin-based robotic construction startup, raised $200M in Series D funding led by Baillie Gifford and BlackRock.

In Germany, Rabot Energy raised $50M in Series B funding to scale its platform for turning residential homes into virtual power plants. Endeit led the round, joined by DTCF and existing investors HV Capital, HTGF, Bosch Ventures, CNI, Acurio Ventures and Vent.io. In Sweden, Holyvolt, an AI-driven battery materials discovery company, raised $45M from Fifth Wall, Zone II and CC.VC. Other notable rounds included Scimplify, a chemicals production platform, which raised $25M at a $250M post-money valuation led by Hitachi Ventures, and Switched Source, a Chicago grid automation startup, which raised $17M led by Cubit Capital.

On the fundraising side, Aligned Climate Capital secured $387M for community solar projects led by Apollo's Apterra Infrastructure Capital. Pear VC closed $333M for its fifth fund, and SLM Partners received a €150M commitment for its second fund from Dutch pension investor APG. Waterous Energy Fund plans to seek $1B for a single-asset fund focused on Canada's oil patch, per the WSJ, and H.I.G. Capital is targeting $2.6B for its second infrastructure fund, per Bloomberg.

In private equity, One Equity Partners agreed to buy IT group Nexora from DCC Energy for $725M, and Ardian and Hy24 agreed to acquire Hynamics, a clean hydrogen developer in France and the U.K., from EDF. Copenhagen Infrastructure Partners acquired a 25% stake in the Five Estuaries Offshore Wind Farm. On the M&A side, Shell agreed to sell its Nigeria business to Vaaris Energy, and Drilling Tools International agreed to acquire Saltire for around $80M in cash and stock. Sakuu plans to go public at an implied $600M valuation via a reverse merger with Pyrophyte Acquisition Corp. II (NYSE: PAII).

Personnel moves included promotions of Chris Aguemon and Bill Strobel to principals at AE Industrial Partners, the elevation of Josh Zoffer and Mitchell Brady to partners at CIV, and Lucie Hankin's appointment as a partner at Overture after her time at True Vectors. Bucky Moore is stepping down from Lightspeed Venture Partners to launch his own, smaller VC firm.

Go deeper than the headline

Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.

Start your free 7-day trial

Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Axios $50M for German VPPs, $45M for Swedish materials discovery, new partners at CIV, Overture