Thea Energy | Valuation, Funding Rounds & Stock Price | Caplight

Thea Energy

Private

Kearny, New Jersey
Energy & Sustainability https://thea.energy/

Last Round

Series B Extension

Aug 18, 2026

Est. Valuation

$302.7M

Total Funding Raised

$220M

Momentum

Top 1% of companies Caplight tracks

Company Overview

Thea Energy is a clean energy company that develops a fusion energy system designed to provide a limitless source of zero-emission power, utilizing stellarator physics and engineering with planar coils to facilitate continuous fusion reactions.

Sector

Energy & Sustainability

Verticals

Renewable Energy

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts, Data as a Service

AI Layer

Application

Keywords

fusion energy, stellarator, fusion power plant, clean energy, digital twin, baseload power, magnetic confinement, deep tech, power purchase agreement, PPA, energy infrastructure, fusion startup, carbon-free energy, computational modeling, AI surrogate model

Thea Energy Comparables

Company Similarity Market Cap
Type One Energy Group 87% -
Helical Fusion Co., Ltd. 86% -
Realta Fusion 83% -
Comparable company 50% -

Thea Energy Funding Rounds

Round Date Amount Raised Valuation Investors Sources
Series B Extension Aug 18, 2026 - - - -
Strategic Jul 2, 2026 - - - -
Series B May 27, 2026 - - - -
Series A Feb 8, 2024 - - - -
Grant Jul 27, 2023 - - - -
Grant Jun 1, 2023 - - - -

Key People

Brian Berzin
Chief Executive Officer
LinkedIn profile

David Gates
Chief Technology Officer
LinkedIn profile

Thea Energy Investors

Investor Rounds
Linse Capital Series B, Series B Extension
Overlay Capital Series B, Series B Extension
Orion Industrial Ventures Series B, Series A, Series B Extension
Climate Capital Series B
US Innovative Technology Fund Series B, Series B Extension
Mercator Partners Series B, Series A, Series B Extension
HV Fund Series B, Series A, Series B Extension

Frequently Asked Questions

Firmographic Details