Thea Energy: Funding, Investors & Team (Oct 2026)
Thea Energy is taking a faster approach to commercialize fusion energy. The company’s fusion systems will create a limitless source of zero emission energy for a sustainable future. Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering developed at Princeton University and elsewhere. The company was founded in 2022 with the objective of building modular, utility-scale fusion power.
Thea Energy has raised $120M across 3 funding rounds on record, the most recent a Series B announced in Aug 2026.
Thea Energy Company Profile and Key Stats
Latest funding round on record: Aug 2026.
Thea Energy Funding Rounds
1 of 3 rounds was announced without a disclosed amount and is excluded from the total.
Thea Energy raised $20.0M in a Series A announced in Feb 2024.
2.3 years later, a Series B of $100M was announced in May 2026.
3 months later, a Series B was announced in Aug 2026 with no disclosed amount.
Thea Energy Investors
30 investors are recorded in total; the 5 named above are those the record identifies.
Thea Energy Founders and Leadership Team
Contact details for the Thea Energy team: 2 of 3 have an email address on file, 2 have a LinkedIn profile.
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Thea Energy Funding FAQs
What does Thea Energy do?
Thea Energy is taking a faster approach to commercialize fusion energy. The company’s fusion systems will create a limitless source of zero emission energy for a sustainable future. Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering developed at Princeton University and elsewhere. The company was founded in 2022 with the objective of building modular, utility-scale fusion power.
How much funding has Thea Energy raised?
Thea Energy has raised $120M across 3 rounds on record.
When did Thea Energy last raise funding?
Thea Energy's most recent funding round on record was announced in Aug 2026. The amount was not disclosed.
Who has invested in Thea Energy?
Investors on record for Thea Energy include Brevan Howard Macro Venture, ALJ Investments, Alumni Ventures, Hitachi Ventures, Gaingels. FundedIQ records 30 investors in total.
Who founded Thea Energy?
FundedIQ lists Brian Berzin (Founder), Matt Miller (Founder) at Thea Energy.
Where is Thea Energy headquartered?
Thea Energy is based in Princeton, New Jersey, United States.
How many employees does Thea Energy have?
Thea Energy is in the 11-50 employee band.
When was Thea Energy founded?
Thea Energy was founded in 2022.
About FundedIQ's Thea Energy Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Thea Energy is left off this page rather than filled in.
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