Asia & Oceania · China · Founded 2021
Saturday, June 13, 2026
Energy Singularity
Magnetic confinement — HTS tokamak
Magnetic
Deuterium-Tritium
Undisclosed
Demo by 2027; commercial by 2035
Investor brief
China's first all-HTS tokamak, first plasma in 2024
Executive Summary
Energy Singularity achieved first plasma in HH70 in mid-2024 — the world's first all-HTS tokamak to operate, narrowly preceding CFS SPARC. The company is now scaling to HH170 with a 1 GWe pilot on the same compact-high-field architecture as CFS, leveraging Chinese HTS, vacuum and superconductor supply chains.
Strategic Thesis
China's HTS, vacuum and superconductor supply chain plus Shanghai capital can match CFS on timeline at lower capex.
Technical & Economic Profile
Architecture class
Tokamak & Spherical Tokamak Vanguard
Most mature dataset in fusion. HTS REBCO magnets shrink reactor volume; D-T cycle exploits the highest nuclear cross-section at the lowest temperatures.
Reactor design
Magnetic / Tokamak — compact high-field
Core tech focus
Domestically sourced HTS REBCO magnets
Key milestones
HH70 first plasma mid-2024. HH170 demo by 2027; commercial plant 2035.
How Energy Singularity sits vs peers
China's CFS analog. Achieved HH70 first plasma in mid-2024 — ahead of SPARC's schedule — with deep sovereign HTS supply-chain momentum.
Class engineering bottlenecks
- 14.1 MeV neutron flux degrades RAFM steel and tungsten armor above ~80 dpa, forcing periodic first-wall replacement.
- Achieving a Tritium Breeding Ratio > 1.0 in compact geometry — especially on space-constrained spherical-tokamak center-posts — is unresolved.
- REBCO tape suffers irreversible critical-current loss above 0.4% tensile strain; > 30 T fields generate GPa-class Lorentz forces requiring MP35N superalloy substrates and carbon-fiber cocoons.
- Sudden plasma disruptions vaporise plasma-facing components — repair downtime is the single dominant LCOE variable per ARPA-E pyFECONs.
LCOE drivers
- Disruption-driven capacity-factor losses (AI digital-twin control projected to cut NOAK LCOE 17–20%).
- ⁶Li enrichment supply chain: ~100 t per plant at $5,000/kg can hit 80% of overnight capital cost.
- Balance-of-plant (steam turbine, heat exchangers, cooling towers) dominates D-T capex.
Sourced from the 2026 Global Fusion Energy Comparison — triple-product thresholds, direct-energy-conversion architecture, materials limits, and the LCOE / Qecon framework.
Founding Team
Energy Singularity has established itself as a fast-moving, highly capitalized force within China's rapidly growing private fusion sector. The founding team, led by brilliant plasma physicists Dr. Guo Houyang and Dr. Yang Zhao, joined forces with HTS engineering specialists Ye Yuming, Dong Ge, and Li Zhuyong. Their extraordinary synergy of advanced magnet engineering and computational plasma physics allowed them to design, build, and operate the "Honghuang 70"—the world's very first all-HTS spherical tokamak—in less than two years, showcasing an unprecedented speed of hardware execution.
Guo Houyang
PhD in Plasma Physics; leading high-field tokamak physicist
Yang Zhao
PhD in Plasma Physics, Peking University
Dong Ge
Advanced tech infrastructure engineer and operations director
Ye Yuming
HTS superconducting magnet systems specialist
Li Zhuyong
Nuclear engineering industrial specialist
The Problem
Global electricity demand is entering an unprecedented growth phase driven by AI infrastructure, data centers, transport electrification, industrial decarbonization, water desalination, and advanced manufacturing. Solar suffers intermittency, wind capacity-factor variability, natural gas carbon emissions, conventional nuclear cost and deployment speed, and batteries energy-density and duration limits. The world requires a new source of clean, dispatchable baseload energy. Fusion represents the ultimate energy source — the challenge is making it commercially practical.
HH170 — High-Field HTS Tokamak
Energy Singularity's architecture closely parallels CFS's: REBCO HTS magnets enabling a much smaller tokamak than ITER at comparable performance. The differentiation is the Chinese industrial base.
HH70 — First All-HTS Tokamak
Achieved first plasma June 2024 in Shanghai.
HH170 Demonstration Tokamak
Next-generation HTS tokamak targeting demonstration of net energy gain by 2027.
1 GWe Commercial Pilot
Commercial plant targeted for 2035 on the compact high-field architecture.
Chinese REBCO Supply Chain
Domestic HTS tape production at a lower cost basis than Western suppliers.
Fuel Strategy
Deuterium-Tritium
Standard D-T fuel cycle.
Product Platform
HH70
Operating all-HTS tokamak — first plasma 2024.
HH170
Demonstration tokamak targeting net gain by 2027.
Energy Conversion
Thermal (Rankine/Brayton)
Neutronic (D-T)
33–40% electrical
Deuterium-tritium fusion releases ~80% of its energy as 14.1 MeV neutrons, which deposit their kinetic energy in a surrounding blanket. The heat drives a conventional steam (Rankine) or supercritical-CO₂ (Brayton) turbine.
Conversion chain
- 1D-T plasma
- 214.1 MeV neutrons (80%) + 3.5 MeV alpha (20%)
- 3Neutrons → lithium-bearing blanket (heat + tritium breeding)
- 4Heat → steam/CO₂ turbine → electricity
The most thoroughly understood fusion fuel cycle, highest cross-section at achievable temperatures, and proven back-end engineering (steam turbines are 19th-century technology). Trade-offs: neutron-induced materials damage, tritium handling, ~33–40% Carnot-limited efficiency.
Economic Vision
Chinese capex base and HTS supply chain potentially match Western performance timelines at meaningfully lower cost.
Vision
China's commercial fusion champion on the compact high-field path.
Mission
Deliver fusion electricity to the Chinese grid by 2035.
Engineering Bottlenecks
- Domestic REBCO tape quality
- Tritium fuel cycle integration
Milestone Timeline
Jun 2024
HH70 first plasma
2025
Series B reportedly oversubscribed
The description above reflects Energy Singularity's publicly stated technology goals, roadmap and architecture. Many elements — particularly net-energy gain at scale, advanced fuel cycles, and grid-relevant economics — remain ambitious objectives that have not yet been demonstrated commercially anywhere in the fusion industry. Forward-looking statements should be treated as engineering targets, not certainties.
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Citations & Sources
Academic & financial rigor- [01]
HH70 first plasma
Energy Singularity · 2024
- [02]
The Global Fusion Industry in 2025
Fusion Industry Association · Jul 2025
- [03]
Company disclosures and press releases
Energy Singularity
- [04]
Peer-reviewed plasma physics literature
Journal of Plasma Physics / Nuclear Fusion