68 Best Energy Industry Startups to Watch in 2025

The Definitive Seedtable Ranking of Energy Industry Startups

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 709 start-ups with an aggregate funding of $20.4b. The average funding per company in this subset is $300.0m.

Last update to the database: Feb 18, 2025. See changelog.

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1

Funding Rounds

Amentum is a technical and engineering services partner working with the United States defense, security, intelligence, energy, and environmental programs.

6

Funding Rounds

$577.8m

Money raised

Helion Energy is a fusion power company aiming to build the world's first fusion power plant.

Key people:

5

Funding Rounds

$140.5m

Money raised

Pasqal is a company building programmable quantum simulators and quantum computers made of 2D and 3D arrays of neutral atoms.

Location:

Key people:

5

Funding Rounds

$2.1b

Money raised

Commonwealth Fusion Systems is a Cambridge, Massachusetts-based research and development company developing fusion power systems based on ARC tokamak reactors.

5

Funding Rounds

$32.0m

Money raised

Singularity University is a startup accelerator focusing on commercializing technologies developed in research facilities.

5

Funding Rounds

$2.5m

Money raised

Linknovate is a data analytics and competitive intelligence scouting platform.

4

Funding Rounds

$46.9m

Money raised

LightSail Energy was a Berkeley, California based company developing above-ground compressed air energy storage (CAES) systems

Key people:

12

Funding Rounds

$6.9b

Money raised

Northvolt develops sustainable lithium-ion batteries in conjunction with R&D, industrialization, and recycling to support clean energy.

5

Funding Rounds

$73.7m

Money raised

Arundo provides software to enable advanced analytics in industrial companies. Arundo's customers transform their businesses through predictive analytics, deeper understanding of physical operations, and data-driven SaaS applications.

11

Funding Rounds

$262.6m

Money raised

BlocPower is a Brooklyn-based provider of a platform for energy efficiency and management for commercial and residential buildings.

6

Funding Rounds

$693.8m

Money raised

Workrise is a workforce management solution for skilled trades.

Key people:

13

Funding Rounds

$779.0m

Money raised

Developer and manufacturer of systems for renewable industrial gas and fuel production.

Location:

Key people:

6

Funding Rounds

$265.4m

Money raised

A New Zealand industrial biotechnology company developing a gas fermentation platform for converting concentrated industrial emissions into valuable chemicals.

1

Funding Rounds

$300.0m

Money raised

Taiwanese-based venture-backed company that develops and sells electric scooters and battery swapping infrastructure

Location:

Key people:

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.

1

Funding Rounds

Steelhead LNG is a Vancouver-based energy company focused on LNG project development in British Columbia.Our experience includes guiding some of the world's leading energy companies and projects with commercial and technicalexpertise that spans the entire LNG value chain.

2

Funding Rounds

$49.2m

Money raised

Renaissance Fusion is a nuclear fusion reactor manufacturer founded in 2020 by Francesco A Volpe.

Location:

Key people:

3

Funding Rounds

$39.1m

Money raised

A long-range wireless charging technology company. It is located in Oakland, California and was founded in 2015.

Key people:

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.

7

Funding Rounds

$41.0m

Money raised

EcoFactor is a cloud-based home energy management platform providing services to utilities and home service providers.

1

Funding Rounds

$34.0m

Money raised

A technology manufacturing company making Li-Metal materials, cells, and packs for drones, consumer electronics and automotive applications.

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.

Key people:

5

Funding Rounds

$225.0m

Money raised

A biotechnology company that specialized in the renewable energy sector. It was located in Bedford, Massachusetts and is no longer in operation.

Key people:

9

Funding Rounds

$1.2m

Money raised

Carbon Recycling International is a Kópavogur-based carbon capture company producing methanol for use as an alternative fuel source.

1

Funding Rounds

$4.0m

Money raised

All Power Labs is a Berkeley, California-based biogas company developing biogas generators for distributed energy needs.

Key people:

1

Funding Rounds

$190.0m

Money raised

A company making Sustainable Aviation Fuel (SAF) as an alternative to using fossil fuels for air crafts. It was founded in 2008 and is located in Amsterdam, the Netherlands.

2

Funding Rounds

$12.9m

Money raised

A company that was developing an advanced technology mini nuclear reactor, based on intellectual property developed by scientists at Los Alamos National Laboratory. It was located in Denver, Colorado.

2

Funding Rounds

$24.0m

Money raised

ClearTrace is an Austin, Texas-based energy data and carbon accounting platform offering a digital infrastructure to support decision-making to mitigate environmental risk, prove climate achievements, and create market opportunities.

1

Funding Rounds

$17.0m

Money raised

Synhelion is a technology company converting solar energy, waste carbon dioxide, and water into synthetic fuel.

Location:

Key people:

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.

Location:

Key people:

4

Funding Rounds

$12.2m

Money raised

BluWave-ai is an Ottawa-based developer of software-as-a-service applications for optimization of sustainable and affordable energy systems and decisions.

Location:

Key people:

11

Funding Rounds

$50.2m

Money raised

Flyability is a designer and manufacturer of drones for inaccessible places.

Location:

Key people:

2

Funding Rounds

$4.5m

Money raised

A drone mapping company offering aerial drone mapping software.

2

Funding Rounds

$647.3k

Money raised

Tandem Technical is an Ottawa-based carbon capture and storage company working on recycling carbon into mineral by-products.

7

Funding Rounds

$226.5m

Money raised

StoreDot is an Isreal-based company focused on developing EV battery charging tools and technology.

Location:

Key people:

2

Funding Rounds

$13.7m

Money raised

Dexter Energy is an Amsterdam-based company developing an AI tool for energy forecasting as a service to reduce costs on the electricity grid.

Location:

Key people:

1

Funding Rounds

$7.5m

Money raised

A nuclear energy company making a stable salt reactor.

2

Funding Rounds

$158.0k

Money raised

SeeO2 Energy Inc. is a Calgary-based carbon capture and storage company converting capture carbon dioxide into fuels and chemicals.

2

Funding Rounds

$39.0m

Money raised

A company developing its own petawatt class and high energy laser system coupled with a sophisticated target physics infrastructure exclusively dedicated to commercial "neutron-lean" fusion energy.

5

Funding Rounds

$10.5m

Money raised

Copper Labs is a California-based company that makes wireless electricity consumption devices

4

Funding Rounds

$875.0m

Money raised

Sila Nanotechnologies is an Alameda, California-based company engineered materials company focused on improving energy storage.

5

Funding Rounds

$162.0m

Money raised

Sense is a Cambridge, Massachusetts-based developer and distributor of energy tracking and automation solutions. Sense specializes in tracking devices and home automation solutions for its customers.

1

Funding Rounds

$35.0m

Money raised

Peak Power is the developer of an AI-based energy optimization software designed to serve building owners, project developers, and utilities.

8

Funding Rounds

$158.8m

Money raised

Autogrid Systems is a Redwood City, California-based developer of solutions for organization of energy data, energy analytics, and real-time predictions for actionable energy data.

5

Funding Rounds

$574.6m

Money raised

Epirus is an El Segundo, California-based technology company founded by Max Mednik.

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.

Location:

Key people:

6

Funding Rounds

$39.3m

Money raised

Tachyus is a company founded in 2014 by Dakin Sloss, Paul Orland, Joel Moxley, Francisco Leport and Pallav Sarma.

Industries:

Key people:

9

Funding Rounds

$409.0m

Money raised

Zūm is a company that partners with schools to provide transportation for children.

Key people:

2

Funding Rounds

$8.9m

Money raised

Jungle AI helps improve the performance of electrical assets with tailored AI models.

Location:

Key people:

5

Funding Rounds

$679.2m

Money raised

Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.

Key people:

6

Funding Rounds

$61.7m

Money raised

Skeleton Technologies is a Tallinn-based energy storage company developing energy storage technology and solutions.

Location:

Key people:

1

Funding Rounds

$3.8m

Money raised

Go Eve is an innovations to accelerate the transition to EVs founded in 2021 by Robert Shorten.

Location:

Key people:

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.

Location:

Key people:

1

Funding Rounds

$2.7m

Money raised

A software company that uses artificial intelligence to create products and services to make hotels into smart buildings. It is located in Singapore and was founded in 2016.

3

Funding Rounds

$13.0m

Money raised

FlexiDAO is a blockchain company founded by Simone Accornero in 2017.

Location:

Key people:

2

Funding Rounds

$302.7m

Money raised

Enerkem is a Quebec-based company producing biofuels and renewable chemicals made from non-recyclable waste.

6

Funding Rounds

$72.0m

Money raised

OhmConnect is a company founded in 2013 by Curtis Tongue, Matt Duesterberg and Cadir Lee.

Key people:

5

Funding Rounds

$67.1m

Money raised

On a mission to stop climate change by making it easy and profitable for building owners to cut carbon emissions caused by wasted energy.

Key people:

4

Funding Rounds

$20.0m

Money raised

Oasys Water was a company that developed water treatment and filtration products.

Key people:

5

Funding Rounds

$2.1m

Money raised

Modular and compact unit that provides renewable energy and clean water in remote areas.

Key people:

$13.0m

Money raised

SOUNDBOKS is a company creating and marketing battery-driven speakers founded in 2015 by Jesper Theil Thomsen.

Location:

Key people:

3

Funding Rounds

$22.9m

Money raised

We make energy fair, smart and green - one flexible monthly plan with no hidden fees, digital-first and 100% renewable energy.

Location:

Key people:

4

Funding Rounds

$25.7m

Money raised

Choose Energy is a Texas-based marketplace company offering clean technology and service to help consumers shopping for electricity and natural gas rates.

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

$784.0k

Money raised

British company serving the defence, security, transport and energy industries

1

Funding Rounds

$2.6m

Money raised

R&D lab focused on energy, manufacturing, & innovation.

10

Funding Rounds

$182.1m

Money raised

Echion Technologies is a supplier of niobium-based anode materials founded in 2017 by Jean de La Verpillière, Alex Groombridge, Adam Boies and Michael De Volder.

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