---
kind: sector
slug: fusion
title: Fusion
pillar: energy-production
status: live
as_of: 2024-07-01
updated_at: 2024-07-01
canonical_url: https://moreenergycleanplanet.com/sectors/fusion/
json_url: https://moreenergycleanplanet.com/sectors/fusion.json
license: CC BY 4.0
---

# Fusion

> Post-ignition commercial fusion. Commonwealth Fusion Systems, Helion, and Zap racing to translate the 2022 NIF breakeven into a manufactured power plant. ITER — whose Magnet Cold Test Facility cooled its first coil to 4 K in June 2026 — is the public international megaproject backdrop, not a manufactured-energy / Wright's-Law player.

**Pillar:** [Energy Production](https://moreenergycleanplanet.com/sectors/energy-production) · **Status:** live · **As of:** 2024-07-01

## Key claims

- NIF's 1.5 MJ net-gain shot moved fusion from physics question to engineering problem, which is the event the private sector is now racing to commercialize. _(NIF Ignition Achievement)_
- With $7.1B cumulative private capital across 45 tracked companies, fusion is now a venture-funded engineering race rather than a purely public ITER-scale science program.
- The Helion-Microsoft PPA targeting 2028 sets a hard commercial deadline that, if met, would mark fusion's first delivery of electrons to a paying customer. _(Helion-Microsoft PPA Announcement)_

## Analysis

Post-ignition commercial fusion. Commonwealth Fusion Systems, Helion, and Zap racing to translate the 2022 NIF breakeven into a manufactured power plant. ITER — whose Magnet Cold Test Facility cooled its first coil to 4 K in June 2026 — is the public international megaproject backdrop, not a manufactured-energy / Wright's-Law player.

### What it is: Pre-commercial firm-clean. Measurable progress.

Fusion combines light atomic nuclei (deuterium + tritium, or deuterium + helium-3) into heavier ones, releasing energy. Multiple confinement strategies are in development: **magnetic confinement** (tokamaks, stellarators, spherical tokamaks, field-reversed configurations, magnetic mirrors), **inertial confinement** (laser, pulsed magnetic, Z-pinch), and various hybrids. The science is sound. The engineering is hard.

The Fusion Industry Association tracks **45 companies globally with $7.1B cumulative private capital** end-FY24 (FIA 2024). The US accounts for ~75% of the funding + ~34 of the companies. **Lawrence Livermore National Lab's National Ignition Facility** achieved **1.5x net energy gain** (3.15 MJ output / 2.05 MJ input) December 11, 2023 — repeated four times since — demonstrating that fusion ignition is achievable, not power-plant economics. **Microsoft + Helion** signed the first commercial fusion PPA in May 2023 (20-year, 50 MW target, ops 2028). **DOE Milestone-Based Fusion Development Program** ($46M to 8 companies, May 2023) signaled federal interest at scale.

Nothing on the US grid is fusion power yet. The economic story is "if these companies deliver, then" — and the if has substantial technology + supply-chain + radiation-containment + tritium-breeding + first-wall-materials risk. The thesis-relevant framing is that fusion is the future R&D wedge of Energy Production; the deliverables are still years out; the capital + corporate-PPA momentum is real.

### The crossover: Annotated as pre-commercial firm-clean.

**Figure — Energy Production's two curves (manufactured falling vs extractive rising), with fusion annotated as pre-commercial.** Interactive chart and accessible data table: [/embed/fusion-two-curves](/embed/fusion-two-curves).

### Firm role (target): Targeting baseload firm-clean alongside nuclear + geothermal.

**Figure — Fusion's target firm-clean role (85% capacity-factor target) alongside nuclear + geothermal.** Interactive chart and accessible data table: [/embed/fusion-firm-role](/embed/fusion-firm-role).

### Technology: Tokamaks, stellarators, FRC, ICF, pulsed-magnetic, hybrids.

**Magnetic confinement** dominates the pipeline. **Commonwealth Fusion Systems** SPARC (high-field tokamak with HTS magnets; target Q>1 plasma 2027 + ARC power plant FOAK by 2030s). **Helion Energy** Polaris (pulsed field-reversed configuration; D-He3 fuel; target 50 MW grid output 2028). **TAE Technologies** Norman + Copernicus (field-reversed-config; p-B11 aneutronic fuel path). **Tokamak Energy** ST40 spherical tokamak. **Type One Energy** Infinity One stellarator. **Realta Fusion** tandem-mirror.

**Inertial + alternative confinement**: **Focused Energy** + **Xcimer Energy** laser-ICF; **Pacific Fusion** pulsed magnetic ($900M Series A May 2024 — largest single fusion round); **Zap Energy** sheared-flow Z-pinch. Each pathway has a different physics-risk + engineering-risk profile. The hyperscaler capital pull (Microsoft-Helion, Google-CFS rumored) parallels the data-center demand thesis.

### Thesis role: The future firm-clean wedge. R&D thesis — not delivered.

Fusion is positioned as the long-term firm-clean wedge: fuel-free (deuterium from seawater), no long-lived high-level waste (for most chemistries), no proliferation pathway (for D-He3 + p-B11). If commercialization happens, the role complements [nuclear](/sectors/nuclear-fission), [geothermal](/sectors/geothermal), and [hydro](/sectors/hydro) as 24/7 baseload. Until then, fusion's contribution to the thesis is capital signal (where hyperscaler PPAs go) and technical optionality (which chemistry reaches Q>1 commercially). [Hyperscaler demand](/sectors/data-centers) is the most concentrated capital source the sector has ever had.

### Policy drivers: DOE FES, Milestone-Based Program, NRC regulatory framework.

**DOE Fusion Energy Sciences** is the federal R&D budget ($790M FY24); funds national-lab programs + competitive private-sector cost-shares. **Milestone-Based Fusion Development Program** ($46M to 8 companies, May 2023) is the COTS-style private-sector funding mechanism modeled on NASA. **NRC fusion regulatory framework** (final rule April 2023) classified fusion under Part 30 byproduct-materials regulation rather than Part 50 nuclear-reactor regulation — major regulatory clarification. **White House Bold Decadal Vision** (March 2022) targeted pilot-scale commercial fusion in the 2030s.

In June 2026 that framework produced its first operating-license milestone. **Helion Energy** became the first company in the world to hold the licenses to operate a fusion power plant, after the **Washington State Department of Health** issued a Radioactive Materials License and a Radioactive Air Emissions License for its Orion plant in Malaga, WA (June 16, 2026). It is the clearest evidence yet that the Part 30 byproduct-materials pathway is a workable route to commercial fusion, not just a theoretical one. In adjacent federal news, **General Atomics** and the DOE began preconceptual design of a full-scale **Fusion Blanket Component Test Facility** (announced June 11, 2026), a first-of-its-kind facility to test the tritium-breeding blanket systems every fusion power plant will need.

## Data

| indicator | value | goal (year) | as of | source |
|---|---|---|---|---|
| Cumulative private capital invested in fusion | 7.1 $B ⚠ stale | — | 2024-07-01 | Fusion Industry Association Global Fusion Industry 2024: $7.1B cumulative private capital end-FY24, up from $5.9B in 2023. 45 companies… |
| Fusion companies tracked globally | 45 count ⚠ stale | — | 2024-07-01 | FIA Global Fusion Industry 2024: 45 companies tracked globally end-FY24, up from 33 in 2022. ~34 US-domiciled. |
| NIF ignition record net energy gain | 1.5 MJ delta ⚠ stale | — | 2023-12-11 | NIF Ignition Achievement |
| Microsoft Helion PPA target year | 2,028 year ⚠ stale | 2,028 year (2028) | 2023-05-10 | Helion-Microsoft PPA Announcement |
| DOE Milestone-Based Fusion Development Program cost-share total | 46 $M ⚠ stale | — | 2023-05-31 | DOE Fusion Energy Sciences Milestone Program |

## Companies

- **[Commonwealth Fusion Systems](https://moreenergycleanplanet.com/ecosystem#company/commonwealth-fusion-systems)** (series_b) — MIT spinout developing compact high-field tokamak fusion reactors using high-temperature superconducting magnets, with SPARC under construction and ARC commercial plant planned for Virginia.
- **[Focused Energy](https://moreenergycleanplanet.com/ecosystem#company/focused-energy)** (rd) — US laser-inertial-confinement fusion developer (NIF-style). Direct-drive proton-boron path. Founded by NIF + Lawrence Livermore alumni.
- **[Helion Energy](https://moreenergycleanplanet.com/ecosystem#company/helion-energy)** (series_f) — Pulsed-power fusion company developing field-reversed-configuration reactors that generate electricity directly from fusion magnetic fields, with a Microsoft offtake for 50 MW by 2028 and Polaris prototype currently operating.
- **[Pacific Fusion](https://moreenergycleanplanet.com/ecosystem#company/pacific-fusion)** (rd) — US pulsed-magnetic fusion developer. $900M Series A May 2024 (Eric Schmidt + General Catalyst + Khosla); largest single fusion round on record.
- **[Realta Fusion](https://moreenergycleanplanet.com/ecosystem#company/realta-fusion)** (rd) — US tandem-mirror magnetic-fusion developer. WHAM (Wisconsin HTS Axisymmetric Mirror) demonstration. Pivot from older magnetic-mirror programs using modern HTS magnets.
- **[TAE Technologies](https://moreenergycleanplanet.com/ecosystem#company/tae-technologies)** (rd) — US field-reversed-configuration fusion developer. Norman + Copernicus + Da Vinci device series. Hydrogen-boron-11 ("p-B11") aneutronic fuel pathway. Largest cumulative private capital raised in fusion ($1.2B+).
- **[Tokamak Energy](https://moreenergycleanplanet.com/ecosystem#company/tokamak-energy)** (rd) — UK spherical-tokamak fusion developer. ST40 device achieved >100M C plasma 2022. High-temperature superconducting magnet program parallel to CFS.
- **[Type One Energy](https://moreenergycleanplanet.com/ecosystem#company/type-one-energy)** (rd) — US advanced-stellarator fusion developer. Infinity One stellarator design; partnership with Tennessee Valley Authority + Oak Ridge National Lab. $82.5M Series A 2024.
- **[Xcimer Energy](https://moreenergycleanplanet.com/ecosystem#company/xcimer-energy)** (rd) — US excimer-laser-inertial fusion developer. KrF excimer-laser-driven direct-drive ICF. $100M Series A 2024.
- **[Zap Energy](https://moreenergycleanplanet.com/ecosystem#company/zap-energy)** (series_d) — Sheared-flow Z-pinch fusion company spun out of University of Washington plasma research, now also developing small modular fission reactors using shared liquid-metal cooling and pulsed-power technology.

## FAQ

### What is fusion power and why isn't any of it on the grid yet?

Fusion combines light atomic nuclei (such as deuterium + tritium, or deuterium + helium-3) into heavier ones, releasing energy, using confinement strategies like **magnetic** (tokamaks, stellarators) and **inertial** (laser, Z-pinch). As MECP frames it, the science is sound but the engineering is hard — nothing on the US grid is fusion power yet. The deliverables are still years out, carrying substantial technology, supply-chain, radiation-containment, tritium-breeding, and first-wall-materials risk.

### Didn't a lab already achieve fusion 'net energy gain'?

Yes — Lawrence Livermore's **National Ignition Facility** achieved 1.5x net energy gain (3.15 MJ output from 2.05 MJ input) on December 11, 2023, and has repeated it four times since. But that result demonstrates fusion *ignition* is achievable, **not** power-plant economics. It's a physics milestone, not evidence that fusion can deliver electricity to the grid at cost.

### How much money has gone into fusion companies?

The Fusion Industry Association tracks **45 companies globally with $7.1B cumulative private capital** as of end-FY24, with the US accounting for ~75% of funding and roughly 34 of the companies. The single largest round was **Pacific Fusion's** $900M Series A (May 2024). MECP treats this capital — especially concentrated hyperscaler money like the Microsoft-Helion PPA — as the sector's real signal, since the technology itself hasn't been delivered.

### What role is fusion supposed to play in clean energy if it works?

MECP positions fusion as the long-term **firm-clean wedge**: fuel-free (deuterium from seawater), no long-lived high-level waste for most chemistries, and no proliferation pathway for D-He3 and p-B11 fuels. If commercialization happens, it would complement [nuclear](/sectors/nuclear-fission), [geothermal](/sectors/geothermal), and [hydro](/sectors/hydro) as 24/7 baseload, targeting an 85% capacity factor. Until then its contribution is capital signal and technical optionality — which chemistry reaches Q>1 commercially — rather than delivered power.

### Has any fusion plant actually been licensed to operate?

In June 2026, **Helion Energy** became the first company in the world to hold the licenses to operate a fusion power plant, after Washington State's Department of Health issued a Radioactive Materials License and a Radioactive Air Emissions License for its Orion plant in Malaga, WA (June 16, 2026). This came via the NRC's April 2023 framework classifying fusion under **Part 30** byproduct-materials regulation rather than Part 50 nuclear-reactor rules — and it's the clearest evidence yet that the Part 30 route is a workable path to commercial fusion, not just a theoretical one.

## Charts (embeddable)

- **Fusion: pre-commercial firm-clean.** — https://moreenergycleanplanet.com/embed/fusion-two-curves (https://moreenergycleanplanet.com/embed/fusion-two-curves.svg · https://moreenergycleanplanet.com/embed/fusion-two-curves.png)
- **Fusion: targeting firm-clean baseload role.** — https://moreenergycleanplanet.com/embed/fusion-firm-role (https://moreenergycleanplanet.com/embed/fusion-firm-role.svg · https://moreenergycleanplanet.com/embed/fusion-firm-role.png)

## Sources

- **fusion-private-capital-cumulative-source** — [Fusion Industry Association Global Fusion Industry 2024: $7.1B cumulative private capital end-FY24, up from $5.9B in 2023. 45 companies…](https://www.fusionindustryassociation.org/)
- **fusion-companies-global-source** — [FIA Global Fusion Industry 2024: 45 companies tracked globally end-FY24, up from 33 in 2022. ~34 US-domiciled.](https://www.fusionindustryassociation.org/)
- **llnl-nif-ignition-2023** — [NIF Ignition Achievement](https://www.llnl.gov/news/lawrence-livermore-national-laboratory-achieves-ignition-fourth-time) _(primary, report)_
- **helion-microsoft-ppa** — [Helion-Microsoft PPA Announcement](https://www.helionenergy.com/articles/helion-announces-worlds-first-fusion-ppa-with-microsoft/) _(self-reported, report)_
- **doe-fes-milestone** — [DOE Fusion Energy Sciences Milestone Program](https://www.energy.gov/science/articles/department-energy-announces-46-million-eight-companies-developing-fusion-energy) _(primary, report)_

## Related sectors

[Bioenergy](https://moreenergycleanplanet.com/sectors/bioenergy.md) · [Coal](https://moreenergycleanplanet.com/sectors/coal.md) · [Data Centers](https://moreenergycleanplanet.com/sectors/data-centers.md) · [Geothermal](https://moreenergycleanplanet.com/sectors/geothermal.md) · [Hydro](https://moreenergycleanplanet.com/sectors/hydro.md) · [Natural Gas](https://moreenergycleanplanet.com/sectors/natural-gas.md) · [Nuclear Fission](https://moreenergycleanplanet.com/sectors/nuclear-fission.md) · [Oil](https://moreenergycleanplanet.com/sectors/oil.md) · [Solar](https://moreenergycleanplanet.com/sectors/solar.md) · [Energy Storage](https://moreenergycleanplanet.com/sectors/storage.md) · [The Grid](https://moreenergycleanplanet.com/sectors/the-grid.md) · [Wind](https://moreenergycleanplanet.com/sectors/wind.md)

## Machine access

- Structured data: https://moreenergycleanplanet.com/sectors/fusion.json
- Live data via MCP: https://mcp.moreenergycleanplanet.com/mcp — tools: get_sector, get_cost_curve, list_indicators, get_sources
- License: CC BY 4.0

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      "name": "Type One Energy",
      "stage": "rd",
      "one_line_description": "US advanced-stellarator fusion developer. Infinity One stellarator design; partnership with Tennessee Valley Authority + Oak Ridge National Lab. $82.5M Series A 2024.",
      "ecosystem_url": "https://moreenergycleanplanet.com/ecosystem#company/type-one-energy"
    },
    {
      "id": "xcimer-energy",
      "name": "Xcimer Energy",
      "stage": "rd",
      "one_line_description": "US excimer-laser-inertial fusion developer. KrF excimer-laser-driven direct-drive ICF. $100M Series A 2024.",
      "ecosystem_url": "https://moreenergycleanplanet.com/ecosystem#company/xcimer-energy"
    },
    {
      "id": "zap-energy",
      "name": "Zap Energy",
      "stage": "series_d",
      "one_line_description": "Sheared-flow Z-pinch fusion company spun out of University of Washington plasma research, now also developing small modular fission reactors using shared liquid-metal cooling and pulsed-power technology.",
      "ecosystem_url": "https://moreenergycleanplanet.com/ecosystem#company/zap-energy"
    }
  ],
  "faqs": [
    {
      "question": "What is fusion power and why isn't any of it on the grid yet?",
      "answer_md": "Fusion combines light atomic nuclei (such as deuterium + tritium, or deuterium + helium-3) into heavier ones, releasing energy, using confinement strategies like **magnetic** (tokamaks, stellarators) and **inertial** (laser, Z-pinch). As MECP frames it, the science is sound but the engineering is hard — nothing on the US grid is fusion power yet. The deliverables are still years out, carrying substantial technology, supply-chain, radiation-containment, tritium-breeding, and first-wall-materials risk.",
      "source_id": null
    },
    {
      "question": "Didn't a lab already achieve fusion 'net energy gain'?",
      "answer_md": "Yes — Lawrence Livermore's **National Ignition Facility** achieved 1.5x net energy gain (3.15 MJ output from 2.05 MJ input) on December 11, 2023, and has repeated it four times since. But that result demonstrates fusion *ignition* is achievable, **not** power-plant economics. It's a physics milestone, not evidence that fusion can deliver electricity to the grid at cost.",
      "source_id": null
    },
    {
      "question": "How much money has gone into fusion companies?",
      "answer_md": "The Fusion Industry Association tracks **45 companies globally with $7.1B cumulative private capital** as of end-FY24, with the US accounting for ~75% of funding and roughly 34 of the companies. The single largest round was **Pacific Fusion's** $900M Series A (May 2024). MECP treats this capital — especially concentrated hyperscaler money like the Microsoft-Helion PPA — as the sector's real signal, since the technology itself hasn't been delivered.",
      "source_id": null
    },
    {
      "question": "What role is fusion supposed to play in clean energy if it works?",
      "answer_md": "MECP positions fusion as the long-term **firm-clean wedge**: fuel-free (deuterium from seawater), no long-lived high-level waste for most chemistries, and no proliferation pathway for D-He3 and p-B11 fuels. If commercialization happens, it would complement [nuclear](/sectors/nuclear-fission), [geothermal](/sectors/geothermal), and [hydro](/sectors/hydro) as 24/7 baseload, targeting an 85% capacity factor. Until then its contribution is capital signal and technical optionality — which chemistry reaches Q>1 commercially — rather than delivered power.",
      "source_id": null
    },
    {
      "question": "Has any fusion plant actually been licensed to operate?",
      "answer_md": "In June 2026, **Helion Energy** became the first company in the world to hold the licenses to operate a fusion power plant, after Washington State's Department of Health issued a Radioactive Materials License and a Radioactive Air Emissions License for its Orion plant in Malaga, WA (June 16, 2026). This came via the NRC's April 2023 framework classifying fusion under **Part 30** byproduct-materials regulation rather than Part 50 nuclear-reactor rules — and it's the clearest evidence yet that the Part 30 route is a workable path to commercial fusion, not just a theoretical one.",
      "source_id": null
    }
  ],
  "related_sectors": [
    {
      "slug": "bioenergy",
      "title": "Bioenergy"
    },
    {
      "slug": "coal",
      "title": "Coal"
    },
    {
      "slug": "data-centers",
      "title": "Data Centers"
    },
    {
      "slug": "geothermal",
      "title": "Geothermal"
    },
    {
      "slug": "hydro",
      "title": "Hydro"
    },
    {
      "slug": "natural-gas",
      "title": "Natural Gas"
    },
    {
      "slug": "nuclear-fission",
      "title": "Nuclear Fission"
    },
    {
      "slug": "oil",
      "title": "Oil"
    },
    {
      "slug": "solar",
      "title": "Solar"
    },
    {
      "slug": "storage",
      "title": "Energy Storage"
    },
    {
      "slug": "the-grid",
      "title": "The Grid"
    },
    {
      "slug": "wind",
      "title": "Wind"
    }
  ],
  "embeds": [
    {
      "id": "fusion-two-curves",
      "title": "Fusion: pre-commercial firm-clean.",
      "permalink": "https://moreenergycleanplanet.com/embed/fusion-two-curves",
      "svg": "https://moreenergycleanplanet.com/embed/fusion-two-curves.svg",
      "png": "https://moreenergycleanplanet.com/embed/fusion-two-curves.png"
    },
    {
      "id": "fusion-firm-role",
      "title": "Fusion: targeting firm-clean baseload role.",
      "permalink": "https://moreenergycleanplanet.com/embed/fusion-firm-role",
      "svg": "https://moreenergycleanplanet.com/embed/fusion-firm-role.svg",
      "png": "https://moreenergycleanplanet.com/embed/fusion-firm-role.png"
    }
  ],
  "sources": [
    {
      "id": "fusion-private-capital-cumulative-source",
      "title": "Fusion Industry Association Global Fusion Industry 2024: $7.1B cumulative private capital end-FY24, up from $5.9B in 2023. 45 companies…",
      "url": "https://www.fusionindustryassociation.org/"
    },
    {
      "id": "fusion-companies-global-source",
      "title": "FIA Global Fusion Industry 2024: 45 companies tracked globally end-FY24, up from 33 in 2022. ~34 US-domiciled.",
      "url": "https://www.fusionindustryassociation.org/"
    },
    {
      "id": "llnl-nif-ignition-2023",
      "title": "NIF Ignition Achievement",
      "url": "https://www.llnl.gov/news/lawrence-livermore-national-laboratory-achieves-ignition-fourth-time",
      "publisher_tier": "primary",
      "source_type": "report",
      "note": "NIF Dec 2023 1.5x net gain shot."
    },
    {
      "id": "helion-microsoft-ppa",
      "title": "Helion-Microsoft PPA Announcement",
      "url": "https://www.helionenergy.com/articles/helion-announces-worlds-first-fusion-ppa-with-microsoft/",
      "publisher_tier": "self-reported",
      "source_type": "report",
      "note": "First commercial fusion PPA."
    },
    {
      "id": "doe-fes-milestone",
      "title": "DOE Fusion Energy Sciences Milestone Program",
      "url": "https://www.energy.gov/science/articles/department-energy-announces-46-million-eight-companies-developing-fusion-energy",
      "publisher_tier": "primary",
      "source_type": "report",
      "note": "Milestone-based fusion-development cost-share."
    }
  ],
  "mcp": {
    "server": "https://mcp.moreenergycleanplanet.com/mcp",
    "tools": [
      "get_sector",
      "get_cost_curve",
      "list_indicators",
      "get_sources"
    ]
  }
}
```
