Type One Energy Group
PrivateLast Round
Convertible Debt
Jan 15, 2026
Total Funding Raised
$398.4M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Type One Energy Group is a clean energy company that develops fusion energy systems aimed at delivering sustainable and affordable fusion power globally through advanced manufacturing techniques and innovative reactor designs.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Type One Energy Group Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
Type One Energy Group Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Convertible Debt | Jan 15, 2026 | ||||
| Series A | Mar 26, 2025 | ||||
| Strategic | Nov 22, 2024 | ||||
| Seed | Jul 30, 2024 | ||||
| Seed | Mar 28, 2023 |
Key People
Founding team and executive leadership
Type One Energy Group Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Zeon Ventures | Strategic |
| VAHOCA | Seed |
| Breakthrough Energy Ventures | Convertible Debt, Seed |
| The Grantham Foundation for the Protection of the Environment | Seed |
| Breakthrough Energy Foundation | Seed |
| Lowercarbon Capital | Seed |
| Doral Energy-Tech Ventures | Convertible Debt, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 25, 2026
Grew 16% QoQ, from 177 to 205 employees.
- Apr 8, 2026
Collaborating with Oak Ridge National Laboratory on high heat flux testing.
Type One Energy Group Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Type One Energy Group's valuation, stock price, and market status.