Latest Climate tech Startup Funding Rounds

Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.

This page showsSector: Climate tech
Rounds
410
Jan 1 – Oct 12, 2026
Disclosed funding
$23.1B
334 disclosed amounts
Median round
$13M
Of disclosed amounts
410 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
LumoraClimate tech · South KoreaCompany profile

Lumora develops solar power projects using underutilized industrial space in South Korea.

Lumora develops solar power projects using underutilized industrial space in South Korea.

UndisclosedPre-SeedPre-seedClimate techSouth KoreaInvestors
Base PowerClimate tech · United StatesCompany profile

Base Power builds and operates home batteries that supply backup electricity and help balance the power grid.

Base Power builds and operates home batteries that supply backup electricity and help balance the power grid.

$1BSeries DSeries C+Climate techUnited StatesInvestors
Commonwealth Fusion SystemsClimate tech · United StatesCompany profile

Commonwealth Fusion Systems is developing fusion-energy technology for commercial power generation.

Commonwealth Fusion Systems is developing fusion-energy technology for commercial power generation.

$1BGrowthClimate techUnited StatesInvestors
Undisclosed
LydianClimate tech · United StatesCompany profile

Lydian develops sustainable aviation fuel.

Lydian develops sustainable aviation fuel.

$43MSeries AClimate techUnited StatesInvestors
Antora EnergyClimate tech · United StatesCompany profile

Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users.

Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users.

$550MSeries CSeries C+Climate techUnited StatesInvestors
BiotaClimate tech · United StatesCompany profile

Environmental diagnostics company developing faster technologies for PFAS monitoring and analysis.

Environmental diagnostics company developing faster technologies for PFAS monitoring and analysis.

$3MSeedClimate techUnited StatesInvestors
Alpen High Performance ProductsProptech · United StatesCompany profile

Manufacturer of high efficiency window solutions

Manufacturer of high efficiency window solutions

$6MSeries BClimate tech, ProptechUnited StatesInvestors
GreyparrotClimate tech · United KingdomCompany profile

Greyparrot is an AI waste intelligence company that helps measure and manage waste.

Greyparrot is an AI waste intelligence company that helps measure and manage waste.

$27MSeries BClimate techUnited KingdomInvestors
Claros TechnologiesClimate tech · United StatesCompany profile

Claros Technologies develops PFAS destruction and analytical technology.

Claros Technologies develops PFAS destruction and analytical technology.

$55MSeries BClimate techUnited StatesInvestors
WATT Fuel CellClimate tech · United StatesCompany profile

Developer and manufacturer of advanced solid oxide fuel cell systems.

Developer and manufacturer of advanced solid oxide fuel cell systems.

UndisclosedUndisclosedClimate techUnited StatesInvestors
Undisclosed

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Ranked by rounds participated in · From Jan 1, 2026

  1. 1
    Lowercarbon Capital

    Type One Energy, Rainmaker, Rune

    10rounds
    0led
  2. 2
    Gigascale Capital

    Solcoa Industries, Planted, Light

    8rounds
    0led
  3. 3
    High-Tech Gründerfonds

    Veridue, reverse.fashion, Qurie

    7rounds
    0led
  4. 4
    Breakthrough Energy Ventures

    Type One Energy, Planted, FORM ENERGY

    6rounds
    1led
  5. 5
    EIC Fund

    Reverion, Circular Materials, Proxima Fusion

    6rounds
    0led

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