Position in SVTR
Snapshot 2026-10-24- Startup SignalsTop 50%↓27
- Climate & SustainabilityTop 50%↓1
About
ENN Fusion Energy (星环聚能), founded in 2021 in Shanghai, China, focuses on nuclear fusion device R&D and the construction of next-generation fusion reactors.
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Funding history
- 2026-05Series A+$69M
Investors · GP Capital, 上海申能诚毅, 飞图创投, Fortune CapitalSource · finance.sina.com.cn ↗
- 2026-01Series A$143M
Investors · CICC Capital, 上海科创集团, 上海未来产业基金, 上海嘉定科投集团, Bank of China Asset Management, SummitView Capital, 曦晨资本Source · SVTR Weekly #140
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Startorus Fusion
R&D of nuclear fusion energy devices and construction of next-generation fusion devices
Series A+ · 2026-05
—
United States
BusinessLatest roundTotal raisedDate- Commonwealth Fusion Systems
Magnetic confinement fusion company spun out of the MIT Plasma Science and Fusion Center (PSFC), building the net-energy demonstration device SPARC and the first commercial fusion power plant ARC based on a high-temperature superconducting (HTS) magnet approach.
Series D+ · $4.0B · 2026-07
$4.0B - Helion
Develops fusion power generators that produce electricity through nuclear fusion
Series D+ · $1.5B · 2026-06 · Valuation $16B
$1.5BValuation $16B - Type One Energy
Fusion energy systems that use stellarators to generate clean, sustainable power
Undisclosed · $54M · 2024-08
$54M
China
BusinessLatest roundTotal raisedDate- NovaFusionX
Development of small modular nuclear fusion devices
Series A · $69M · 2026-08
$69M - XinZhu AI
AI for controlled fusion R&D: full-stack AI solutions for fusion devices, from diagnostics and prediction to control and design
Angel · $15M · 2026-09
$15M - 星能玄光
Linear field-reversed mirror fusion device KMAX-U, aimed at low-cost, high-performance fusion power plants
Series A · 2025-06
—
Europe
BusinessLatest roundTotal raisedDate- Proxima Fusion
Develops stellarator fusion power plants
Series B · $637M · 2026-07 · Valuation $2.7B
$637MValuation $2.7B - Focused Energy
Develops laser-based nuclear fusion systems that use laser compression to ignite deuterium-tritium fuel capsules and generate clean energy
Series A · $240M · 2026-05
$240M - Tokamak Energy
Develops compact fusion reactors using high-temperature superconducting magnets to control and confine superheated plasma
Undisclosed · $125M · 2024-11
$125M
Other / unspecified
BusinessLatest roundTotal raisedDate- nT-Tao
Developing a compact, scalable fusion energy reactor. Raised US$22 million
Undisclosed · $22M · 2023-09
$22M - General Fusion
Fusion reactors that generate and compress plasma to produce clean energy
Undisclosed · $22M · 2025-08
$22M - Helical Fusion
Stellarator reactor hardware that sustains fusion reactions with magnetic fields for zero-carbon power generation
Series A · $15M · 2025-07
$15M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
CAS Star
7 Climate & Sustainability deals in the last 24 months · 1 at a nearby stage · 7 in East China
Request intro →Cathay Capital
4 Climate & Sustainability deals in the last 24 months · 2 at a nearby stage · 4 in East China
Request intro →厚雪资本
3 Climate & Sustainability deals in the last 24 months · 2 at a nearby stage · 3 in East China
Request intro →Matrix Partners China
3 Climate & Sustainability deals in the last 24 months · 1 at a nearby stage · 3 in East China
Request intro →Source Code Capital
2 Climate & Sustainability deals in the last 24 months · 2 at a nearby stage · 2 in East China
Request intro →Aramco Ventures
2 Climate & Sustainability deals in the last 24 months · 2 at a nearby stage · 1 in East China
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.