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Series B Energy Companies

Explore 152 energy startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
152
Total Funding
$2.4B
Avg Funding
$96.1M
Cities
22

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Akishima, Japan

Lebo robotics is a manufacturing firm that develops blade maintenance robot, blade AI analysis, and repair material services.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Eresing, Germany
$175.0M
raised

Reverion develops reversible and carbon-negative power plants using patented biogas technology for renewable energy.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Sunnyvale, United States
$19.0M
raised

Mojave Energy Systems produces novel liquid desiccant systems for HVAC.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Frisco, United States
$135.0M
raised

Mazama Energy develops geothermal energy systems that use heat from hot and superhot rock to generate electricity.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Houston, United States
$33.0M
raised

Branch Energy is a tech-powered, green energy company that helps reduce power consumption and supports clean energy projects.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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$1.6M
raised

Albatross Technology is a IT company that develops offshore renewable energy devices and floating offshore wind turbines.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Kowloon City, Hong Kong
$12.8M
raised

I2Cool is a technology start-up that develops electricity-free cooling technologies based on passive radiative cooling.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Munich, Germany
$470.1M
raised

Proxima Fusion is a fusion energy company developing stellarator-based fusion power plants to deliver safe and carbon-free electricity.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$54.0M
raised

Verse delivers energy cost intelligence for the enterprise.

Jun 2026
Series B

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$12.0M
raised

Fuse Energy is an innovative energy company that simplifies gas and electricity management by providing accurate bill forecasts.

Jun 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$30.0M
raised

Fuse Energy is an innovative energy company that simplifies gas and electricity management by providing accurate bill forecasts.

Jun 2026
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ verified contacts

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

41,000+ verified contacts

Scotts Valley, United States
$140.0M
raised

Heron Power develops advanced power electronics and hardware solutions tailored for the modern electrical grid.

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$40.0M
raised

Andercore offers a platform connecting industrial buyers with international suppliers to streamline procurement and supply chain processes.

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 152 companies

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