NRG-002 Energy & Climate · Private
Helion Energy
Pulsed fusion machines that make electricity directly.
- Founded
- 2013
- 13 years ago
- Total raised
- $1.5B
- Disclosed equity, Sep 2026
- Team
- 800
- Headcount, Sep 2026
1 General description
Develops pulsed magneto-inertial fusion devices designed to recover electricity directly from the plasma rather than via steam turbines. Its Polaris prototype is operating, and it is building Orion to supply Microsoft from 2028.
2 Features
3 Specifications
| Parameter | Value | Notes |
|---|---|---|
| Category | Energy & Climate | Pin 05, yellow band |
| Flagship product | Polaris | |
| Headquarters | Everett, United States | Seattle hub |
| Status | Private | |
| Website | helionenergy.com ↗ |
4 Related partsAll energy →
Oklo
Santa Clara, USEst. 2013Small sodium-cooled fast reactors sold as a power service
Energy
- Team
- 200+
- Raised
- $374M
Twelve
Berkeley, USEst. 2015Electrochemical CO2 conversion into fuels and chemicals
EnergySeries C
- Team
- 200+
- Raised
- $787M
Sunfire
Dresden, DEEst. 2010Industrial electrolyzers for green hydrogen
EnergySeries E
- Team
- 500+
- Raised
- $1B