Prometheus
YC W19 ↗Santa Cruz, US · Founded 2018 · Delaware corporation · 25 employees · 6 known investors
Prometheus Fuels develops systems that convert intermittent renewable energy into liquid fuels for remote electrification. The ULDES and Fuel Forge systems operate independently from the grid, storing energy as liquid fuels when renewable power is available.
Advanced ManufacturingCleantechClimate TechDeep TechEnergyEnergy StorageClimatein /prometheusfuels/@prometheusfuelsycombinator.com ↗
Founders & leadership· Y Combinator alumni (W19)
RM
Rob McGinnisin𝕏Founder/CEO
Investors · 6
Reported raises · per SEC filings
Form D private placements▶$11.5MraisedMar 2020 · 6 investors · Other TechnologyRule 506(b)
▶$11.5MraisedMar 2020 · 6 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Robert L. McGinnisExecutive Officer, Director, Promoter
- Offering amount
- $15M
- Amount sold
- $11.5M
- First sale
- Mar 2020
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Jeff Bezos-led Prometheus hits $41 billion valuation after securing $12 billion in Series B funding for physical AI engineeringeciks.org · 2026
- Crunchbase Data: Global Startup Investment Hit Record $510B In H1 2026 As AI Boom Accelerates Funding And Exitsnews.crunchbase.com · 2026
- Prometheus Raises $12B at $41B Valuationthesaasnews.com · 2026
- Prometheus AI Startup: Bezos Raises $12 Billion at a $41 Billion Valuationtechtimes.com · 2026
- Jeff Bezos's Prometheus raises $12B to build an 'artificial general engineer' for the physical world | TechCrunchtechcrunch.com · 2026
- Bezos' AI startup Prometheus raises $12B at $41B valuation, and the CEOs explain what they're doing – GeekWiregeekwire.com · 2026
- Prometheus Just Changed Energy and Fuels Foreverprometheusfuels.com · 2025
- Maersk throws its weight behind unicorn electrofuels company - FreightWavesfreightwaves.com · 2021

