Last Energy
PrivateLast Round
Series C
Dec 16, 2025
Total Funding Raised
$164M
Momentum Score
25 /100
Company Overview
Last Energy is a clean energy company that develops small modular nuclear power projects aimed at revolutionizing the nuclear power industry by significantly lowering construction time and costs while providing both heat and electricity through modular, standard pressurized water reactor technology.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Construction Tech, Energy Management, Defense Tech
Business Model
B2B
Customer Profile
Hardware + Subscription, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Last Energy Comps
Public and private peers based on sector, stage, and business model.
Last Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Dec 16, 2025 | ||||
| Series B | Aug 29, 2024 | ||||
| Series A | Feb 16, 2021 | ||||
| Seed | Mar 23, 2020 |
Key People
Founding team and executive leadership
Last Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Woori Technology Investment Co. | Series C |
| Astera Institute | Series C |
| Floodgate | Seed |
| Galaxy Interactive | Series C |
| JAM Fund | Series C |
| GigaFund | Series C, Series B, Series A |
| First Round Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 1, 2026
Will expand facilities to Texas to build a 5-megawatt pilot reactor.
- Apr 7, 2026
PWR-5 test reactor in Bryan, TX is in startup phase.
Last Energy Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Last Energy's valuation, stock price, and market status.
