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
65
Sep 13 – Oct 12, 2026
Disclosed funding
$1.6B
46 disclosed amounts
Median round
$8.1M
Of disclosed amounts
65 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
CIOC EnergyClimate tech · BelgiumCompany profile

CIOC Energy monitors, controls and trades renewable generation, battery storage and EV-charging assets for commercial and industrial site operators.

CIOC Energy monitors, controls and trades renewable generation, battery storage and EV-charging assets for commercial and industrial site operators.

€3MGrowth capitalGrowthClimate techBelgiumInvestors
Reactive TechnologiesClimate tech · United KingdomCompany profile

Reactive Technologies measures grid inertia and other stability conditions in real time, helping system operators see where renewable-heavy networks are vulnerable and plan or respond with better data.

Reactive Technologies measures grid inertia and other stability conditions in real time, helping system operators see where renewable-heavy networks are vulnerable and plan or respond with better data.

€19MEIB venture debtUndisclosedClimate techUnited KingdomInvestors
AMPYR Distributed EnergyClimate tech · United KingdomCompany profile

AMPYR Distributed Energy finances, builds and operates onsite renewable-energy assets for businesses.

AMPYR Distributed Energy finances, builds and operates onsite renewable-energy assets for businesses.

UndisclosedEquity investmentUndisclosedClimate techUnited KingdomInvestors
H2SITEIndustrial tech · SpainCompany profile

H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures.

H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures.

€3.4MEnova grant for HydraNord PowerUndisclosedClimate tech, Industrial techSpainInvestors
RainmakerClimate tech · United StatesCompany profile

Rainmaker develops cloud-seeding technology and atmospheric research tools to increase freshwater supply.

Rainmaker develops cloud-seeding technology and atmospheric research tools to increase freshwater supply.

$100MSeries BClimate techUnited StatesInvestors
Fluxnium, Inc.Climate tech · United StatesCompany profile

A uranium-supply technology that uses reusable high-surface-area fibers to adsorb dissolved uranium from seawater for nuclear fuel production.

A uranium-supply technology that uses reusable high-surface-area fibers to adsorb dissolved uranium from seawater for nuclear fuel production.

$7MSeedClimate techUnited StatesInvestors
Drivn’s Indian entityMobility · IndiaCompany profile

Drivn’s Indian operating business provides electric commercial vehicles, combining ownership and leasing with fleet operations, charging and battery services.

Drivn’s Indian operating business provides electric commercial vehicles, combining ownership and leasing with fleet operations, charging and battery services.

₹450MSeedClimate tech, MobilityIndiaInvestors
Amber ElectricClimate tech · AustraliaCompany profile

Amber Electric combines electricity retailing with software that automates household batteries and electric vehicles.

Amber Electric combines electricity retailing with software that automates household batteries and electric vehicles.

€49MSeries ESeries C+Climate techAustraliaInvestors
Metris EnergyClimate tech · United KingdomCompany profile

An operating platform for renewable-energy owners and operators that unifies asset data and workflows for portfolio monitoring, revenue operations, reporting and maintenance.

An operating platform for renewable-energy owners and operators that unifies asset data and workflows for portfolio monitoring, revenue operations, reporting and maintenance.

$5MSeedClimate techUnited KingdomInvestors
HydrosatSpace tech · United StatesCompany profile

Hydrosat combines thermal infrared satellite imagery with analytics to measure water stress and improve crop and water management.

Hydrosat combines thermal infrared satellite imagery with analytics to measure water stress and improve crop and water management.

$10MSeries B extensionSeries BClimate tech, Space techUnited StatesInvestors

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Ranked by rounds participated in · From Sep 13, 2026

  1. 1
    Lowercarbon Capital

    Type One Energy, Rainmaker, Rune

    3rounds
    0led
  2. 2
    Khosla Ventures

    Hertha Metals, Mazama Energy, Planted

    3rounds
    1led
  3. 3
    Union Square Ventures

    Mana Battery, Rune

    2rounds
    0led
  4. 4
    Breakthrough Energy Ventures

    Type One Energy, Planted

    2rounds
    1led
  5. 5
    SiteGround Capital

    Type One Energy, Mazama Energy

    2rounds
    0led

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