Factor2 Energy raises $9.1M seed round led by At One Ventures to advance CO₂ geothermal power technology.
Amount Raised
$9.1 Million
Round Type
Seed
DuisburgEnergyRenewable EnergyRenewables & EnvironmentInvestors
Description
Factor2 Energy, a German geothermal innovator, has raised a $9.1 million seed round led by At One Ventures, with participation from other investors. The funding will be used to advance the technology and develop a pilot power plant. Factor2's mission is to unlock scalable, clean baseload geothermal power while enabling permanent carbon storage. Their CO₂-based system aims to deliver higher outputs compared to conventional designs.
Quick answer
Factor2 Energy raised $9.1 Million in a Seed round, dated September 19, 2025. Investors: Siemens Energy Ventures, High Tech Gründerfonds, Gründerfonds Ruhr, Verve Ventures and At One Ventures. Factor2 Energy is based in Duisburg, North Rhine Westphalia, Germany.
- How much did Factor2 Energy raise?
- Factor2 Energy raised $9.1 Million in a Seed round on September 19, 2025.
- Who invested in Factor2 Energy?
- Siemens Energy Ventures, High Tech Gründerfonds, Gründerfonds Ruhr, Verve Ventures and At One Ventures are named as investors in this round.
- What does Factor2 Energy do?
- Factor2 Energy is a climatetech company developing geothermal power systems that use CO₂ as the working fluid.
- Where is Factor2 Energy based and how big is it?
- Factor2 Energy is based in Duisburg, North Rhine Westphalia, Germany. Fundz records about 10 employees.
- Who are the decision-makers at Factor2 Energy?
- Fundz holds 1 contact at Factor2 Energy. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Factor2 Energy that raised within 45 days of this round, from Fundz verified event records.
- Beyond Renewables raised an undisclosed amount (Pre-Seed) on October 31, 2025.
- MarkeDroid raised $348K (Funding Round) on October 23, 2025.
- Arbor Energy raised $55M (Series A) on October 21, 2025.
- Delta Green raised $2.3M (Funding Round) on October 15, 2025.
- GEVI raised $3.1M (Seed) on October 14, 2025.
- New Energy Opportunities raised $22M (Convertible Note) on October 9, 2025.
Who to call at Factor2 Energy, and when
A new round usually means Factor2 Energy is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Factor2 Energy raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Factor2 Energy, from your own LinkedIn network
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