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Series B Energy Companies

Explore 153 energy startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
153
Total Funding
$1.7B
Avg Funding
$67.4M
Cities
22

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Coquitlam, Canada
$3.0M
raised

Moment Energy is a clean tech company focused on repurposing electric vehicle batteries to create sustainable energy storage solutions.

May 2026
Series B

Founder Contacts

30,000+ verified contacts

Portland, United States
$140.0M
raised

Panthalassa is a technology company focused on developing renewable energy systems in the ocean.

May 2026
Series B

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands
$21.4M
raised

E-Flux is a leading tech company that builds Fintech solutions for EV Charging. Road offers its Private Label and turnkey E-Flux product

May 2023
Series B

Founder Contacts

30,000+ verified contacts

San Carlos, United States
$275.0M
raised

Cowboy Space is a space technology company developing solar-powered orbital data centers for AI computing infrastructure.

May 2026
Series B

Founder Contacts

30,000+ verified contacts

San Leandro, United States

Coreshell Technologies is a nanotechnology company that is a developer of nanolayer coating technology for rechargeable batteries.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Portland, United States
$22.0M
raised

OROS Labs is a material technology company provides thermal solutions.

Apr 2024
Series B

Founder Contacts

30,000+ verified contacts

Tokyo, Japan
$16.9M
raised

Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Grenoble, France
$23.4M
raised

ROSI is a French company that develops innovative raw material recycling and revalorization technologies for the PV industry.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Tokyo, Japan
$10.7M
raised

Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Los Angeles, United States
$35.0M
raised

Enervee is a B2B platform that drives energy-efficient consumer purchases at scale through utility partnerships and embedded financing.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Denver, United States

Barrell Lithium is an energy company that invests in battery storage, carbon sequestration, brine minerals, and technology.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

El Segundo, United States
$340.0M
raised

Valar Atomics develops nuclear energy systems designed to supply industrial-scale power and produce energy-derived products.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Flintbek, Germany
$34.8M
raised

With everything we do, we aim to harness sustainable energy in order to energize the future.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Helsinki, Finland
$34.5M
raised

Steady Energy aims to decarbonize the energy-intensive heating industry starting with residential and district heating.

Mar 2025
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Eindhoven, The Netherlands
$97.2M
raised

RIFT is a startup on a mission towards a sustainable future that is powered by clean and renewable energy.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Berkeley, United States
$5.7M
raised

Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Fremont, United States
$300.0M
raised

EnerVenue provides metal-hydrogen batteries for large-scale renewable and storage applications.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Bristol, United Kingdom
$20.0M
raised

Rovco provides an autonomous underwater vehicle and remotely operated underwater vehicle technologies and support services.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Munich, Germany
$49.9M
raised

Entrix provides software and services that support the operation and optimization of energy storage and renewable energy assets.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Tulsa, United States
$7.0M
raised

Ten-Nine Technologies is develops breakthrough materials for the energy and chemical industries across a broad range of applications.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$50.0M
raised

NCX enables corporations to support landowners and their forests through its forest carbon marketplace.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Novi, United States
$4.2M
raised

Noble Gas Systems develops gas storage and delivery systems with conformable tank technology.

Mar 2025
Series B

Founder Contacts

30,000+ verified contacts

Calgary, Canada
$43.1M
raised

Validere is on a mission to better human prosperity by making the energy supply chain efficient and sustainable.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Singapore, Singapore
$151.2M
raised

Sun Cable build's the systems and infrastructure to deliver competitively priced, dispatchable, renewable electricity.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

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