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VC Deal Database

Energy Transition VC Deals

Startup fundraising rounds in the Energy Transition subsector.

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25 shown

Date:Oct 3, 2026

SunCulture

SunCulture Secures $10M for Solar Irrigation Financing
Investors:
Mirova’s Gigaton Fund
Round:—
Amount:n/a
Valuation:—
Country:🇰🇪
Date:Oct 2, 2026

Commonwealth Fusion Systems

Nuclear Energy Startups Attract Record Funding
Investors:
B Capital, Sam Altman
Round:—
Amount:$6.0B
Valuation:—
Country:🇺🇸
Date:Oct 1, 2026

Reverion

Reverion Raises $175M for Carbon-Negative Power Plants
Investors:
Kembara, Allianz, KfW Capital+8 more
Round:Series B
Amount:$175.0M
Valuation:—
Country:🇩🇪
Date:Sep 30, 2026

Sun King

Acumen Invests $5M in Sun King Zambia Solar Expansion
Investors:
Acumen, Lightrock
Round:—
Amount:$5.0M
Valuation:—
Country:Zambia
Date:Sep 25, 2026

FlexyGrid

FlexyGrid Raises €750K Seed for Energy Flexibility Platform
Investors:
TechBricks
Round:Seed
Amount:$0.8M
Valuation:—
Country:🇮🇹
Date:Sep 25, 2026

EcoCeres

EcoCeres Eyes $1B HK IPO in Green Fuel Market Push
Investors:
Bain Capital, Kerogen Capital
Round:—
Amount:n/a
Valuation:—
Country:🇭🇰 🇲🇾 🇨🇳
Date:Sep 24, 2026

Sun King

Acumen Backs Sun King Solar Expansion in Zambia
Investors:
Acumen
Round:—
Amount:$5.0M
Valuation:—
Country:—
Date:Sep 23, 2026

Mojave Energy Systems

Mojave Energy Systems Raises $19M Series B Funding
Investors:
Fairtree Elevant Ventures, River Bay Investments, At One Ventures+5 more
Round:Series B
Amount:$19.0M
Valuation:—
Country:🇺🇸
Date:Sep 23, 2026

Reactive Technologies

EIB Funds Grid Tech Firm Reactive Technologies with €19M
Investors:
European Investment Bank, InvestEU programme, EIB Group+3 more
Round:—
Amount:$19.0M
Valuation:—
Country:🇬🇧 🇫🇮
Date:Sep 23, 2026

Reactive Technologies

EIB Funds Reactive Technologies with €19M for Grid Modernization
Investors:
European Investment Bank, EIB Group, European Investment Fund
Round:Growth
Amount:$19.0M
Valuation:—
Country:🇬🇧 🇫🇮
Date:Sep 23, 2026

Verda

Verda Raises $189M, Becomes AI Cloud Unicorn
Investors:
Emergence Capital, MUFG Innovation Partners, Supermicro+5 more
Round:Series B
Amount:$189.0M
Valuation:—
Country:🇫🇮 🇺🇸
Date:Sep 22, 2026

AMPYR Distributed Energy

Stonepeak Invests in AMPYR Distributed Energy Platform
Investors:
Stonepeak, AGP
Round:Growth
Amount:n/a
Valuation:—
Country:🇬🇧
Date:Sep 22, 2026

Xpansiv

Verdane Invests in Xpansiv Energy Transition Platform
Investors:
Verdane
Round:—
Amount:n/a
Valuation:—
Country:Global
Date:Sep 22, 2026

AMPYR Distributed Energy

Stonepeak Invests in ADE for European Energy Growth
Investors:
Stonepeak, AGP
Round:—
Amount:n/a
Valuation:—
Country:Europe
Date:Sep 22, 2026

Deutsche Sanierungsberatung

dsb Secures $10M Series A for Home Renovation Platform
Investors:
Simon Capital, VERBUND X Ventures, IBB Ventures+2 more
Round:Series A
Amount:$10.0M
Valuation:—
Country:🇩🇪
Date:Sep 22, 2026

Amber Electric

Amber Electric Raises €49M for European Energy Grid Expansion
Investors:
Morgan Stanley's 1GT, E.ON
Round:Series E
Amount:$49.0M
Valuation:—
Country:🇦🇺
Date:Sep 22, 2026

Metris Energy

Metris Energy Raises $5M for Unified Energy Data Platform
Investors:
PT1 Ventures, Octopus Ventures, AENU+3 more
Round:Seed
Amount:$5.0M
Valuation:—
Country:🇩🇪
Date:Sep 22, 2026

Amber Electric

Amber Electric Raises €49M for Grid-Interactive Home Energy
Investors:
E.ON
Round:Series E
Amount:$56.2M
Valuation:—
Country:🇦🇺 🇪🇬 🇬🇧
Date:Sep 22, 2026

Amber Electric

Amber Electric Raises $56.2M for Distributed Energy Network
Investors:
Morgan Stanley Investment Management, E.ON, ETF Partners+1 more
Round:Series E
Amount:$56.2M
Valuation:—
Country:🇦🇺
Date:Sep 22, 2026

Fluxnium

Fluxnium Raises $7M Seed for Seawater Uranium Tech
Investors:
Congruent Ventures, Constellation Technology Ventures, Active Impact Investments
Round:Seed
Amount:$7.0M
Valuation:—
Country:🇺🇸
Date:Sep 21, 2026

Amber Electric

Amber Electric Raises $78.5M for Global Energy Trading
Investors:
1GT, ETF Partners, Innovation Victoria+1 more
Round:Series E
Amount:$78.5M
Valuation:—
Country:🇦🇺
Date:Sep 21, 2026

Fluxnium

Fluxnium Raises $7M Seed for Ocean Uranium Extraction
Investors:
Congruent Ventures, Constellation Technology Ventures, Active Impact Investments
Round:Seed
Amount:$7.0M
Valuation:—
Country:🇺🇸
Date:Sep 21, 2026

Spiro

Spiro Secures $36M for African EV Expansion
Investors:
Africa Go Green Fund
Round:—
Amount:$36.0M
Valuation:—
Country:Uganda, Rwanda
Date:Sep 21, 2026

Kanin Energy

Kanin Energy Raises $138M for Waste Heat Power Solutions
Investors:
S2G Investments, Canada Growth Fund
Round:Growth
Amount:$138.0M
Valuation:—
Country:🇨🇦 🇺🇸
Date:Sep 21, 2026

Mazama Energy

Mazama Energy Raises $135M for Superhot Geothermal Power
Investors:
Centaurus Capital, Doerr Capital, ConocoPhillips+6 more
Round:Series B
Amount:$135.0M
Valuation:—
Country:🇺🇸

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