Thea Energy

Thea Energy develops fusion energy technology based on a modified stellarator architecture.

Climate and energy

Latest funding

$100M Series B+ · May 27, 2026

Source: citybiz

Total raised: $120M across 2 sourced rounds

All 2 rounds ↓

Website: thea.energy.

X: @TheaEnergy · 1,496 followers.

LinkedIn: thea.

Category: Climate and energy.

Sectors: Clean Energy, Energy, Nuclear, Renewable Energy.

Stage: Series B+.

Based in: Kearny, United States.

Founded: 2022.

Total raised: $120M in 2 sourced rounds.

Last round: May 27, 2026 · 172 days ago.

Headcount: 101–250 employees.

On Recent Funding since: Sep 29, 2026.

Signals

X account@TheaEnergy · created Mar 16, 2022 (4 years old) · 1,496 followers

Website registeredOct 12, 2022 (4 years old)

About Thea Energy

It designs superconducting magnet arrays, programmable magnetic field control software, and integrated fusion system technologies. The company aims to provide a limitless source of zero-emission energy.

TIMELINE · MONEY RAISED

Thea Energy | 694 days from X account to first raise on record

@TheaEnergy·Raised $120M in 2 sourced rounds·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

Date	Round	Amount	Lead	Source
May 27, 2026	Series B+	$100M	—	citybiz
Feb 8, 2024	Series A	$20M	PPrelude	TechCrunch

Timeline

October 12, 2022
Website created
March 16, 2022
X account created

Founders and team

BB
Brian Berzin Founder

LinkedIn
DG
David Gates Founder

LinkedIn

Investors

Companies like Thea Energy

PProxima Fusion$468M Series B+ · Jul 2026
TType One Energy$200M Series B+ · Oct 2026
PpH7 Technologies$55M Series B+ · Apr 2026
HHonghu Future EnergySeed · Nov 2026
MMetOx$80M Series B+ · Nov 2024
IInertia$450M Series A · Feb 2026

Other companies backed by Prelude

VVoltus$225M Series B+ · Oct 2026
FForm Energy$750M Series B+ · Aug 2026
TTenor$2.5M Seed · Jul 2026
SSense$1.23M Series B+ · Jul 2026
AAtom Computing$100M Series B+ · Jun 2026
RRhoda AI$450M Series A · Mar 2026

Prelude portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/thea-energy (get a free API key).