Momentus
Public
What they do:
The space infrastructure services company
Quick facts:
HQ: San Francisco, CA, United States
Top Climate & Energy Startups
This list has 331 startups and was last updated on Oct 15, 2026. 38 of them are hiring right now. Biggest hubs: San Francisco (90), New York (15), and Los Angeles (12). Largest teams: Cruise, Aerones, and Oolu. Latest round: Circularity Fuels raised $8.79M (Oct 14, 2026).
Survival statistics →75 open roles →
331 startupsPage 1 of 10
Oklo
Public
What they do:
Emission free, always on power from advanced fission power plants.
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HQ: San Francisco, CA, United States
What they do:
Robotics for wind turbine maintenance.
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HQ: Riga, Latvia
What they do:
Inspection software for renewable energy & sustainable infrastructure
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HQ: Los Angeles, CA, United States
What they do:
Decarbonizing the chemicals industry.
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HQ: Houston, TX, United States
What they do:
India's Largest EV charging network
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Remi
Hiring
What they do:
Simplifying roofing for homeowners, roofers and enterprises.
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HQ: Lehi, UT, United States
What they do:
Building the world's first fusion power plant
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HQ: Seattle, WA, United States
Gridware
Hiring
What they do:
Protecting the grid today, preparing the grid for tomorrow
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HQ: San Francisco, CA, United States
What they do:
Making car ownership and management frictionless.
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HQ: Nashville, TN, United States
What they do:
Modern bill payment platform for African businesses and consumers.
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HQ: Federal Capital Territory, Nigeria
HyLight
Hiring
What they do:
Unmanned airships for inspecting our critical assets
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Funding:
€13M · Oct 2026
What they do:
A carbon MRV solution for energy and hard-to-abate sectors
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What they do:
Building a world where alternative proteins are no longer alternative.
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HQ: Washington, DC, United States
What they do:
Sunrun for the developing world
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HQ: New York, NY, United States
What they do:
Turning food waste into Biochar to remove CO2 from the atmsophere
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What they do:
Reverion, an Eresing-based EnergyTech company that builds reversible fuel cell power plants for decentralised energy supply, today announced the closing of a €154.2 million ($175 million) Series B funding round to…
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HQ: Germany
Funding:
€154M · Series B · Sep 2026
What they do:
First electric business aircraft designed for hydrogen propulsion
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HQ: Toulouse, France
What they do:
Low-energy chip startup Efficient Computer Co. said today it has closed on a $97 million round of funding in the second major investment it has picked up this year. The round was led by TQ Ventures and saw…
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Funding:
$97M · Sep 2026
What they do:
Raptor Maps builds software to manage the solar PV lifecycle.
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HQ: Boston, MA, United States
What they do:
Autonomous electric airplanes
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HQ: San Francisco, CA, United States
Binks
Hiring
What they do:
A zero inventory, zero returns factory-to-consumer apparel company
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Enode
Hiring
What they do:
Energy Orchestration Platform
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What they do:
VoltR, a French manufacturer of eco-designed lithium batteries, has secured €22 million to accelerate its industrialisation. This financing combines a €16 million equity investment and €6 million in grants secured…
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HQ: France
Funding:
€22M · Oct 2026
What they do:
French industrial energytech company Epyr has raised a €15 million Series A round led by SlateVC. Existing investors AENU and Daphni are doubling down, alongside WEPA Ventures, OVNI Capital and Auru...
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Funding:
€15M · Series A · Oct 2026
What they do:
French FoodTech startup Edonia, a B2B ingredient supplier specialised in ready-to-eat-protein ingredients, has raised €15 million to expand the commercial use of its microalgae-based ingredients. The round was led by…
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HQ: France
Funding:
€15M · Oct 2026
What they do:
Inbolt, a Paris-based robot intelligence company that enables robots to see, think, and adapt in real time, has raised €11 million to fund US and APAC expansion and entry into data centres and electronics…
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Funding:
€11M · Sep 2026
What they do:
Inventory management SaaS for Retail & Consumer brands
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HQ: London, United Kingdom
What they do:
CarbonFarm, a Paris-based ClimateTech startup specialising in rice decarbonisation, has closed an oversubscribed €7 million Series A funding round. The round was led by Colam Impact, the impact investment arm of…
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Funding:
€7M · Series A · Oct 2026
Shepherd
Hiring
What they do:
Modernizing commercial insurance
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HQ: San Francisco, CA, United States
What they do:
Zurich-based climate technology company Cotierra has raised $3 million to take its technology from successful field deployments to repeatable commercial scale. The company has raised $4.75 million sin...
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Funding:
$3M · Sep 2026
What they do:
AI Platform for Efficient and Sustainable Operations
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What they do:
We verify global supply chains for issues like child slavery and…
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HQ: New York, NY, United States
Albedo
Hiring
What they do:
Full-stack VLEO satellite missions
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HQ: Denver, CO, United States
What they do:
Managed marketplace for solar in Latam
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What they do:
Cheese and dairy products from plant-derived dairy proteins
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HQ: San Francisco, CA, United States
Questions and answers
How many startups are on this list?
There are 331 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
38 of them are hiring right now, including Remi, Gridware, and HyLight.
Which of them have the largest teams?
By team size: Cruise (3,000 employees), Aerones (250 employees), and Oolu (230 employees).
Which of them raised money recently?
Latest rounds: Circularity Fuels — $8.79M Equity (Oct 2026), Elemental Nuclear Energy — $5.47M Debt (Oct 2026), and Epyr — €15M Series A (Oct 2026).
Where are they based?
The biggest hubs are San Francisco (90), New York (15), and Los Angeles (12).