# Type One Energy

> Stellarator fusion company developing commercial power plants with industrial partners

## Why it is interesting

Type One is pursuing one of fusion's most technically demanding designs while using an asset-light integrator model. The approach could reduce capital requirements, but it shifts significant execution risk into supplier coordination, licensing and first-of-a-kind project finance.

## Profile

- **Latest funding:** Series B — $200M (October 6, 2026)
- **Latest known valuation:** Reported $900M pre-money target for the planned Series B (January 14, 2026)
- **Total disclosed equity funding:** $370M
- **Stage:** series-b
- **Status:** private
- **Industries:** climate-tech, deep-tech, hardware-semiconductors
- **Coverage:** full
- **Last updated:** 2026-10-07T20:30:00Z
- **Latest funding investors:** Breakthrough Energy Ventures, Clutterbuck Capital, Lowercarbon Capital, Siemens Energy Ventures, SiteGround Capital

## Key facts

- Completed a $200 million Series B in October 2026
- Received Tennessee's initial operating license for Project Infinity
- Plans a 400 MWe Infinity Two commercial plant at TVA's Bull Run site

## Funding history

- Series B · $200M · October 6, 2026
  Source: https://typeoneenergy.com/insights-announcements/type-one-energy-completes-200m-series-b-financing/
- Convertible note · $87M · January 14, 2026
  Source: https://techcrunch.com/2026/01/14/bill-gates-backed-type-one-energy-raises-87m-ahead-of-250m-series-b/
- Seed extension · $53.5M · July 30, 2024
  Source: https://techcrunch.com/2024/07/30/bill-gates-backed-type-one-energy-lands-massive-seed-extension-to-commercialize-fusion-power/
- Seed · $29M · March 28, 2023
  Source: https://techcrunch.com/2023/03/28/fusion-startup-type-one-fundraising/

## Investors in our directory

- https://venturecapitaltracker.com/fund/breakthrough-energy-ventures
- https://venturecapitaltracker.com/fund/clutterbuck-capital
- https://venturecapitaltracker.com/fund/lowercarbon-capital
- https://venturecapitaltracker.com/fund/siemens-energy-ventures
- https://venturecapitaltracker.com/fund/siteground-capital

## Related articles

- https://venturecapitaltracker.com/2026-type-one-energy-200m-series-b-commercial-fusion

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 7, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

---
Source: https://venturecapitaltracker.com/startup/type-one-energy