Helion Energy

Helion Energy is a fusion energy company headquartered in Everett, Washington pursuing a pulsed, magneto-inertial field-reversed-configuration (FRC) approach that uses a deuterium-helium-3 fuel cycle and direct electricity recovery rather than steam turbines. The company is on its seventh-generation prototype, Polaris, which achieved first plasma in 2024 and is targeted to demonstrate net electricity production from fusion. Helion's prior machines include Trenta, the sixth-generation prototype that reached fusion-relevant plasma temperatures, and Hercules, an earlier device. Orion is Helion's planned first commercial fusion power plant, with a publicly announced 2028 target for delivering electricity to Microsoft under what the companies describe as the world's first commercial fusion power purchase agreement; a second customer agreement is in place with steelmaker Nucor. Helion is led by co-founder and CEO David Kirtley, CTO Chris Pihl, Chief Scientist George Votroubek, and co-founder Anthony Pancotti. Investors include Sam Altman (chair), Dustin Moskovitz, Reid Hoffman, SoftBank Vision Fund 2, Mithril Capital, Capricorn Investment Group, Peter Thiel, and others. Helion does not publish a public developer API or SDK.

Helion Energy is profiled on the APIs.io network. Tagged areas include Fusion Energy, Field-Reversed Configuration, FRC, Pulsed Fusion, and Deuterium Helium-3.

Helion Energy’s developer surface includes engineering blog, FAQ, YouTube channel, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub
3.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0
0 APIs
Fusion EnergyField-Reversed ConfigurationFRCPulsed FusionDeuterium Helium-3PolarisTrentaOrionDirect Energy ConversionClean EnergyMicrosoft PPAEverett Washington

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0
Composite quality — 3.8/100 · minimal
Contract Quality 0.0 / 21
Developer Ergonomics 0.4 / 17
Access Clarity 0.0 / 17
Operational Transparency 0.0 / 11
Contract Governance 0.0 / 10
Discoverability 4.3 / 9
Regulatory Posture 1.2 / 15
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/helion-energy: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Helion Energy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Learn 1

Tutorials, courses, talks, and written guidance

YouTube
YouTube

Operate 2

Status, limits, changes, and where to get help

FAQ
FAQ
 Contact
Contact

Company 8

The organization behind the API

Website
Website
 About
About
 Newsroom
Newsroom
 Blog
Blog
 Careers
Careers
 LinkedIn
LinkedIn
 Twitter
Twitter
 Instagram
Instagram

Scroll for all 8

Other 5

Properties that don't map to a standard resource type

Technology
Technology
 Polaris
Polaris
 Orion
Orion
 Trenta
Trenta
 Hercules
Hercules

Source (apis.yml)

apis.yml Raw ↑ 
aid: helion-energy
name: Helion Energy
description: Helion Energy is a fusion energy company headquartered in Everett, Washington pursuing a pulsed, magneto-inertial
  field-reversed-configuration (FRC) approach that uses a deuterium-helium-3 fuel cycle and direct electricity recovery rather
  than steam turbines. The company is on its seventh-generation prototype, Polaris, which achieved first plasma in 2024 and
  is targeted to demonstrate net electricity production from fusion. Helion's prior machines include Trenta, the sixth-generation
  prototype that reached fusion-relevant plasma temperatures, and Hercules, an earlier device. Orion is Helion's planned first
  commercial fusion power plant, with a publicly announced 2028 target for delivering electricity to Microsoft under what
  the companies describe as the world's first commercial fusion power purchase agreement; a second customer agreement is in
  place with steelmaker Nucor. Helion is led by co-founder and CEO David Kirtley, CTO Chris Pihl, Chief Scientist George Votroubek,
  and co-founder Anthony Pancotti. Investors include Sam Altman (chair), Dustin Moskovitz, Reid Hoffman, SoftBank Vision Fund
  2, Mithril Capital, Capricorn Investment Group, Peter Thiel, and others. Helion does not publish a public developer API
  or SDK.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/helion-energy.png
tags:
- Fusion Energy
- Field-Reversed Configuration
- FRC
- Pulsed Fusion
- Deuterium Helium-3
- Polaris
- Trenta
- Orion
- Direct Energy Conversion
- Clean Energy
- Microsoft PPA
- Everett Washington
url: https://raw.githubusercontent.com/api-evangelist/helion-energy/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.23'
apis: []
common:
- type: DomainSecurity
  url: security/helion-energy-domain-security.yml
- type: Website
  url: https://www.helionenergy.com
- type: Technology
  url: https://www.helionenergy.com/technology
- type: Polaris
  url: https://www.helionenergy.com/polaris
- type: Orion
  url: https://www.helionenergy.com/orion
- type: Trenta
  url: https://www.helionenergy.com/trenta
- type: Hercules
  url: https://www.helionenergy.com/hercules
- type: About
  url: https://www.helionenergy.com/about
- type: Newsroom
  url: https://www.helionenergy.com/newsroom
- type: Blog
  url: https://www.helionenergy.com/blog
- type: FAQ
  url: https://www.helionenergy.com/faq
- type: Careers
  url: https://www.helionenergy.com/careers
- type: Contact
  url: https://www.helionenergy.com/contact
- type: LinkedIn
  url: https://www.linkedin.com/company/helion-energy
- type: Twitter
  url: https://twitter.com/Helion_Energy
- type: YouTube
  url: https://www.youtube.com/@helionenergy
- type: Instagram
  url: https://www.instagram.com/helion_energy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com