Type One Energy

Fact sheet

• Founded: 2019↗ Type One Energy↗ Type One Energy
• HQ: Knoxville, Tennessee, United States↗ ORNL hands a 50-year fusion-fueling breakthrough to Type One Energy - Teknovation.biz · 2026-08-06↗ Type One Energy↗ Type One Energy
• Key technology: Stellarator fusion energy systems↗ Type One Energy↗ Type One Energy
• Notable investors: Breakthrough Energy Ventures, TDK Ventures, Zeon Ventures↗ Bill Gates' 'Artificial Sun': Inside Tennessee's Fusion Power Revolution! (2026) · 2026-07-23↗ Type One Energy↗ Type One Energy
• Wisconsin presence: Type One Energy is part of Wisconsin's fusion energy cluster alongside Realta and SHINE Technologies↗ UW-Madison: A Midwestern nucleus of fission and fusion -- ANS / Nuclear Newswire · 2026-08-05↗ Madison's Fusion Energy Future: A Potential Game-Changer (2026) · 2026-07-18
• Tokamak Energy co-founded the UK Infinity Fusion Consortium with Type One Energy to develop a commercial fusion power plant in the United Kingdom.↗ New nuclear power plant to be built in UK - Oxinfo · 2026-08-08↗ Fusion consortium established to advance private-sector fusion -- ANS / Nuclear Newswire · 2026-07-21
• UK Infinity Fusion Consortium founding members: Tokamak Energy, Type One Energy, and AECOM↗ New nuclear power plant to be built in UK - Oxinfo · 2026-08-08↗ Fusion consortium established to advance private-sector fusion -- ANS / Nuclear Newswire · 2026-07-21
• Barclays is a financial supporter of the UK Infinity Fusion Consortium↗ Barclays supports the development of commercial fusion power in the UK | WebWire · 2026-07-21
• Fusion facility site: Former Bull Run Fossil Plant, Tennessee (converted from coal plant)↗ Bill Gates' 'Artificial Sun': Inside Tennessee's Fusion Power Revolution! (2026) · 2026-07-23
• NRC licensing application submitted: January 29, 2026 (Tennessee's first fusion facility license application, filed with TVA)↗ ACEC Energy Committee Tours TVA and Oak Ridge Facilities | Engineering Inc · 2026-07-22
• Prototype name: Infinity One stellarator prototype; construction underway through 2026, operation targeted for 2029↗ ACEC Energy Committee Tours TVA and Oak Ridge Facilities | Engineering Inc · 2026-07-22↗ Fusion industry attracts record US$4.5bn in race to commercial scale - News - The Chemical Engineer
• Grid power target: Infinity pilot plant expected to send power to the grid by 2034↗ Fusion industry attracts record US$4.5bn in race to commercial scale - News - The Chemical Engineer
• ORNL pellet injector technology licensed to Type One Energy for fusion reactor use (August 2026)↗ ORNL hands a 50-year fusion-fueling breakthrough to Type One Energy - Teknovation.biz · 2026-08-06↗ Oak Ridge technology licensed to Type One Energy for fusion reactors · 2026-08-05
• ORNL technology transfer deal signed at Knoxville's Nuclear Opportunities Workshop (August 2026)↗ ORNL hands a 50-year fusion-fueling breakthrough to Type One Energy - Teknovation.biz · 2026-08-06
• Notable investors: Lowercarbon Capital (equity investment announced August 2026)↗ Nuclear is NOW in East Tennessee | One of the largest nuclear conferences wraps in Knoxville - Teknovation.biz · 2026-08-06
• TVA in active talks with Type One Energy about new reactors under the TVA Act (as of August 2026)↗ Nuclear is NOW in East Tennessee | One of the largest nuclear conferences wraps in Knoxville - Teknovation.biz · 2026-08-06

Connections

• INFUSE (Innovation Network for Fusion Energy) — Has collaborated with ORNL through INFUSE-facilitated partnerships on fusion fuel cycle technologies including high-heat flux testing.↗ ORNL, Type One Energy to advance fusion fuel cycle with innovative new technologies | EurekAlert!
• Kyoto Fusioneering — Kyoto Fusioneering and Type One Energy are jointly presenting FPNS research at the 2026 ANS Annual Conference (TOFE 2026).↗ Fusion Prototypic Neutron Source (FPNS) Studies -- ANS / Conferences / 2026 ANS Annual Conference / Technology of Fusion Energy (TOFE 2026)
• Oak Ridge National Laboratory — ORNL licensed pellet injector technology to Type One Energy for use in fusion reactors.↗ Oak Ridge technology licensed to Type One Energy for fusion reactors
• Proxima Fusion — Proxima Fusion is a competitor in the global stellarator-based fusion startup landscape alongside Type One Energy.↗ Bill Gates' Artificial Sun: A New Era for Clean Energy (2026)
• Proxima Fusion — Proxima Fusion raised €411 million and unveiled its Alpha stellarator-based demonstrator, intensifying competition with Type One Energy in the global stellarator fusion startup landscape.↗ Fusion Industry Attracts Record Annual Funding of $4.48bn, Raising Total to $14.24bn - Fusion Industry Association
• Realta Fusion — Realta Fusion is a fellow Wisconsin-based fusion energy company operating in the same regional cluster as Type One Energy.↗ Madison's Fusion Energy Future: A Potential Game-Changer (2026)
• Tokamak Energy — Tokamak Energy co-founded the UK Infinity Fusion Consortium with Type One Energy to develop a commercial fusion power plant in the United Kingdom.↗ Tokamak Energy's ST-E1 fusion design redefines plant viability - Energy Innovation Review
• United Kingdom Atomic Energy Authority — Co-founder of the UK Infinity Fusion Consortium alongside UKAEA's partner Tokamak Energy and AECOM, working toward a commercial fusion power plant in the UK.↗ Barclays joins fusion consortium ⋆ Electronics Weekly
• United States Department of Energy National Laboratories — Oak Ridge National Laboratory licensed its pellet injector technology to Type One Energy to advance commercial fusion reactor development.↗ Oak Ridge technology licensed to Type One Energy for fusion reactors

Recent developments

• Tokamak Energy, Type One Energy, and AECOM have partnered to develop the UK's first private-sector-led fusion power plant, as reported in coverage of the UK Infinity Fusion Consortium.

  Read more ↗oxinfo.co.uk8 Aug

• TVA is in talks with Type One Energy (alongside GE Vernova Hitachi, Kairos Power, and NuScale Power) about new reactors under the TVA Act, signaling potential utility-scale procurement interest.

  Read more ↗teknovation.biz6 Aug

• Lowercarbon Capital has made an equity investment in Type One Energy, as announced by Lowercarbon's Hsu at a Knoxville nuclear conference, marking a new institutional backer for the stellarator fusion company.

  Read more ↗teknovation.biz6 Aug

• ORNL has transferred its pellet injector fusion-fueling technology — developed over roughly 50 years — to Type One Energy via a deal signed at Knoxville's Nuclear Opportunities Workshop, moving a core stellarator fueling technology into commercial development.

  Read more ↗teknovation.biz6 Aug

• Linked to Oak Ridge National Laboratory: ORNL licensed pellet injector technology to Type One Energy for use in fusion reactors.

  Read more ↗wate.com5 Aug

• UW-Madison has incubated three fusion energy companies — Realta Fusion, SHINE Technologies, and Type One Energy — and launched a new fusion plasma focus area in its nuclear engineering bachelor's program in 2025, reinforcing Wisconsin's role as a fusion energy cluster.

  Read more ↗ans.org5 Aug

• Oak Ridge National Laboratory (ORNL) has licensed pellet injector technology to Type One Energy for use in fusion reactors, marking a new step toward fusion electricity generation in East Tennessee.

  Read more ↗wate.com5 Aug

• Type One Energy broke ground on its first pilot plant, called Infinity, and is expected to send power to the grid by 2034, according to a Chemical Engineer report on the fusion industry attracting a record $4.5 billion in investment.

  Read more ↗thechemicalengineer.com5 Aug

• The former Bull Run Fossil Plant site in Tennessee is being transformed into a fusion energy facility, with Type One Energy backed by Bill Gates (Breakthrough Energy Ventures) having submitted its initial NRC licensing application on January 29, 2026.

  Read more ↗mariamater.org23 Jul

• Type One Energy and TVA submitted Tennessee's first fusion facility license application to the NRC in January 2026 for a stellarator-based facility at the former Bull Run Fossil Plant site. Construction of the Infinity One prototype is underway and expected to continue through 2026, with operation targeted for 2029.

  Read more ↗engineeringinc.acec.org22 Jul

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