We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.
There are 261 start-ups with an aggregate funding of $10.0b. The average funding per company in this subset is $145.2m.
Last update to the database: Feb 18, 2025. See changelog.
6
Funding Rounds
$577.8m
Money raised
Helion Energy is a fusion power company aiming to build the world's first fusion power plant.
13
Funding Rounds
$779.0m
Money raised
Developer and manufacturer of systems for renewable industrial gas and fuel production.
3
Funding Rounds
$19.6m
Money raised
Aerones is a company building heavy-lift drones founded in 2015 by Janis Putrams.
4
Funding Rounds
$150.0m
Money raised
Net Power is a Durham, North Carolina-based natural gas electricity producer using carbon capture and storage to maintain zero emissions production.
10
Funding Rounds
$44.8m
Money raised
A food technology company, based in Finland and founded in 2017, that has a process to electrolyze water for production of hydrogen in a system to feed bacteria to produce an edible protein food product with a low environmental impact. Their technology is being developed for space travel and future food production on Mars.
10
Funding Rounds
$33.0m
Money raised
NEXT Energy Technologies is a Santa Barbara, California-based developer of photovoltaic coatings for window.
5
Funding Rounds
$40.4m
Money raised
Enervee is a company founded in 2010 by Hjalmar Branting, Iker Casillas, Aoife Ní Fhearraigh, Yhonastan Fabian, The Sxplay, Ujiie Naotomo, Robbie Grossman, Ingrid Gfölner, Moisey Uretsky, Don Epperson, Matt Service FBCS and Bhavesh M. Mehta.
6
Funding Rounds
$490.0m
Money raised
An nanotechnology company with focus on developing solar products. It was founded in 2002 and closed in 2013.
5
Funding Rounds
$264.5m
Money raised
Arcadia, previously Arcadia Power, is a Washington, D.C. based tech company which aims to enable a zero-carbon economy. Arcadia is also the developer of a clean energy tech platform designed to facilitate access to clean energy.
5
Funding Rounds
$32.7m
Money raised
PhaseCraft is company that is developing fundamental quantum theory and software for quantum computers.
1
Funding Rounds
$17.0m
Money raised
Synhelion is a technology company converting solar energy, waste carbon dioxide, and water into synthetic fuel.
1
Funding Rounds
$20.0m
Money raised
NovaSolix is developing rectifying carbon nanotube antennas that convert light to electricity from the entire solar spectrum as a method of producing clean and inexpensive energy.
4
Funding Rounds
$238.4m
Money raised
Offers financing for solar solutions on residential homes.
5
Funding Rounds
$49.6m
Money raised
A company offering online trade education through mobile, desktop, and virtual reality applications.
7
Funding Rounds
$695.0m
Money raised
Aurora Solar is a San Francisco-based developer of solar design, proposal, and sales software.
2
Funding Rounds
$1.9m
Money raised
Edgehog is a Montreal-based company that makes omni-directional anti-reflection (OAR) glass, mainly for use in solar panels.
10
Funding Rounds
$64.5m
Money raised
Pexapark AG is a blockchain company founded in 2017 by Michael Waldner, Florian Müller and Luca Pedretti.
12
Funding Rounds
$187.2m
Money raised
Oxford PV is a London-based developer of perovskite thin-film solar cells.
9
Funding Rounds
$812.4m
Money raised
BrightSource Energy is an Oakland, California-based company founded in 2006 by Arnold Goldman.
6
Funding Rounds
$2.1b
Money raised
Octopus Energy is a company that offers retail electricity and gas supplies, and specializes in sustainable energy.
5
Funding Rounds
$2.1m
Money raised
Modular and compact unit that provides renewable energy and clean water in remote areas.
3
Funding Rounds
$191.0m
Money raised
Miasolé is a thin-film solar producer founded in 2004.
12
Funding Rounds
$200.8m
Money raised
Sono Motors is a car company manufacturing solar electric vehicles founded in 2016 by Jona Christians, Laurin Hahn and Navina Pernsteiner.
7
Funding Rounds
$27.5m
Money raised
Raptor Maps is a company that is building software with the use of drones and machine vision to help farms increase productivity.
1
Funding Rounds
$40.0k
Money raised
Aerial Power is a London-based company founded by Ridha Azaiz.
1
Funding Rounds
$10.5m
Money raised
Angaza is an enterprise cloud computing and software development company creating a pay as you go platform for manufacturing and distribution companies to sell their products to customers living off the grid.
1
Funding Rounds
$3.1m
Money raised
Solstice connects households and businesses to shared renewable projects in their community, and their software manages the customer experience for the life of the 20-year project. By giving ordinary Americans access to clean energy at a guaranteed discount, Solstice unlocks the market for the 77 percent of households that cannot install rooftop solar on their homes. Solstice was founded on the belief that every household can be powered by affordable renewable energy, regardless of their income, their rooftop, or other markers of privilege.
1
Funding Rounds
$11.0m
Money raised
D.light Design is a Berkeley, California-based company founded in 2007 by Sam Goldman, Ned Tozun and Adrian Bock.
2
Funding Rounds
$1.3m
Money raised
ZunRoof is a home-tech company that specializes in solar rooftop systems. The company is founded by Pranesh Chaudhary and Sushant Sachan in 2016.
8
Funding Rounds
$269.8m
Money raised
Zolar is a photovoltaic solar manufacturer founded in 2016 by Gregor Loukidis.
11
Funding Rounds
$278.0m
Money raised
ZOLA Electric designs, manufactures, installs and sells solar backed systems for homes mainly in the rural and off-grid areas in Africa.
1
Funding Rounds
$14.0m
Money raised
Borrego Solar Systems is a El Cajon, California-based developer and operator of commercial, residential, and public sector grid connected solar electric systems.
1
Funding Rounds
$20.0m
Money raised
Posigen is a St. Rose, Louisiana-based company specializing in residential solar products and energy efficiency services for low-to-moderate income areas.
2
Funding Rounds
$7.1m
Money raised
SenseHawk is a SaaS platform for processes and cost management in the development, construction, and operation of solar sites.
1
Funding Rounds
$30.0m
Money raised
Ubiquitous Energy is a Redwood City, California-based company founded in 2011 by Miles Barr.
2
Funding Rounds
$3.0m
Money raised
Genability is a San Francisco-based company founded in 2010 by Jason Riley.
1
Funding Rounds
$9.0m
Money raised
Arnergy is a Lagos-based company founded in 2013.
5
Funding Rounds
$57.3m
Money raised
Tigo Energy builds hardware and software intelligence into solar energy installations, making them more efficient, more manageable, and safer.
5
Funding Rounds
$291.7m
Money raised
Battery Resourcers is a company that offers a closed-loop cathode material supply chain solution
9
Funding Rounds
$41.3m
Money raised
MTPV develops and deploys thermophotovoltaic chips for the conversion of industrial waste heat into electricity.
3
Funding Rounds
$11.1m
Money raised
Glint Solar is a solar developer software provider founded in 2020 by Harald Olderheim , Even Kvelland and John Modin.
3
Funding Rounds
$12.3m
Money raised
Scanifly is a drone-based software modelling company helping automate and centralize daily tasks for the solar power industry.
4
Funding Rounds
$6.9m
Money raised
EnergySage is a Boston-based company offering solar power product comparison and carbon offset programs.
4
Funding Rounds
$49.1m
Money raised
David Energy is an energy company that leverages advanced technology to transform the way electricity is consumed, managed, and distributed.
2
Funding Rounds
$944.0k
Money raised
Swiftmile is a company founded by Colin Roche, Keith Moravick and Leo Vera.
7
Funding Rounds
$25.3m
Money raised
Insolight is a solar panel manufacturer founded in 2015 by Laurent Coulot.
4
Funding Rounds
$87.9m
Money raised
Sunfolding is a San Francisco-based solar tracking company developing and building infrastructure for solar farms
4
Funding Rounds
$44.5m
Money raised
California-based start-up which sells PV products direct to consumers and installs solar systems.
8
Funding Rounds
$65.5m
Money raised
Operator of fast-charging stations for EVs powered by renewable energy from the sun and wind.
9
Funding Rounds
$742.8m
Money raised
Enpal is a solar power systems for homeowners founded in 2017.
2
Funding Rounds
$95.0m
Money raised
dcbel develops technology and designs products that put people at the center of the modern energy ecosystem. The company was founded in 2015 on the principle that everyone deserves clean, reliable and sustainable energy to live a life without compromise.
4
Funding Rounds
$25.0m
Money raised
ecoligo is a company founded in 2016 by Martin Baart.
5
Funding Rounds
$16.9m
Money raised
Swift Solar is a U.S.-based startup developing lightweight and flexible solar panels that are both cheaper and more efficient than conventional panels.
3
Funding Rounds
$26.1m
Money raised
UGE is a New York City and Toronto-based operator and distributor of solar energy.
1
Funding Rounds
$199.6k
Money raised
Clean Power Research is a company founded in 1998 by Tom Hoff.
2
Funding Rounds
$35.0m
Money raised
Palmetto is a company founded in 2008.
2
Funding Rounds
$30.0m
Money raised
Orb Energy is a solar energy company headquartered in Bangalore, India, founded by Damian Miller and NP Ramesh in 2006.
5
Funding Rounds
$167.5m
Money raised
Malta Inc is a company storing renewable energy in molten salt founded by X.
3
Funding Rounds
$180.0m
Money raised
Terabase Energy is an energy Company founded in 2019.
2
Funding Rounds
$10.6m
Money raised
Leap enables real-time automated trading for DERs on global energy markets, regardless of capacity, availability and location.
3
Funding Rounds
$25.9m
Money raised
Morgan Solar is a Toronto-based provider of low-cost solar power applications.
9
Funding Rounds
$145.0m
Money raised
Solexant is a San Jose, California-based biotechnology company.
2
Funding Rounds
$4.0m
Money raised
3Degrees is a San Francisco-based provider of carbon offset and renewable energy services and solutions.
2
Funding Rounds
$79.0k
Money raised
RatedPotheyr offers pvDesign, the leading cloud-based software to design & engineer utility-scale solar photovoltaic plants in seconds.
2
Funding Rounds
$17.2m
Money raised
Enode is a SaaS-based platform to integrate with energy assets founded in 2020 by Henrik Langeland, Thorvald Thorsnes and Nikolai Heum.
3
Funding Rounds
$14.9m
Money raised
Platform providing homes and buildings with both electricity and hot water through solar technology.
3
Funding Rounds
$13.9m
Money raised
Pacific Integrated Energy, Inc. is a company that specializes in technologies that produce solar modules for generating power at a lower cost using solar energy, rooftop solar elements, and mobile power.
7
Funding Rounds
$72.2m
Money raised
Developer of a proprietary technology designed to protect and accelerate capital invested in residential and commercial distributed energy assets.
1
Funding Rounds
$5.3m
Money raised
Dracula Technologies is a company that generates sustainable energy.
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