Petra Power
PrivateLast Round
Series 1
Apr 21, 2026
Total Funding Raised
$12.87M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Petra Power operates in Energy & Sustainability and is based in Solon, Ohio. Its latest recorded funding round was a Series 1 round in April 2026.
Petra Power is an energy technology company that manufactures solid oxide fuel cells (SOFC) for auxiliary power unit (APU) systems and on-site power generation.
Sector
Energy & Sustainability
Verticals
Energy Storage, Alternative Fuels, Clean Transportation, Defense Tech
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Petra Power Comparables
Compare Petra Power with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Special Power Sources | 84% | |
| Proof Energy | 83% | |
| Redox Power Systems | 83% |
For institutional investors. Book with your work email.
Petra Power Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series 1 | Apr 21, 2026 | ||||
| Accelerator | Sep 8, 2025 | ||||
| Grant | Dec 1, 2023 |
For institutional investors. Book with your work email.
Key People
Founding team and executive leadership
For institutional investors. Book with your work email.
Petra Power Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Techstars | Accelerator |
| Acequia Capital | Series 1 |
| U.S. Department of War | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 13, 2026
Monthly visitors grew 158% MoM, reaching 1.3K.
- Apr 21, 2026
$4M round led by Acequia Capital
For institutional investors. Book with your work email.
Recent news
Latest coverage and updates
- launchesOct 11, 2026
Petra Power introduces fuel cell technology that enhances efficiency and reduces fuel costs for data centers and defense vehicles.
- is_developingOct 10, 2026
Petra Power is developing ultra-high-efficiency fuel cells that cut fuel use by up to 40% versus conventional generators and fuel cells, targeting AI data centers and defense vehicles as the technology moves from the lab to pilot phase with field tests planned through 2027.
- is_developingOct 10, 2026
Petra Power is developing a defense application that supplies electricity to onboard equipment while a land vehicle’s main engine is off; the fuel cells remain in testing, and the government evaluates whether to proceed.
- is_developingOct 10, 2026
Petra Power is developing solid oxide fuel cells that provide compact, highly efficient energy solutions for AI data centers and military vehicles.
- is_developingOct 10, 2026
Petra Power develops ceramic fuel-cell systems that convert fuels such as natural gas into electricity without combustion for data centers and large vehicles.
For institutional investors. Book with your work email.
Petra Power Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Book a demoFor institutional investors. Book with your work email.
Frequently Asked Questions
Common questions about Petra Power's valuation, stock price, and market status.
Is Petra Power a public or private company?
Petra Power is a private company.
What is the current stock price of Petra Power?
Petra Power is a private company, so its shares have no public market price. Caplight tracks Petra Power's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Petra Power worth (valuation)?
Valuation information for Petra Power is not publicly available.
Can I buy Petra Power stock?
Petra Power shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Petra Power's last funding round?
Petra Power's most recent funding round was Series 1 on April 21, 2026.
Who are the main investors in Petra Power?
Key investors in Petra Power include Acequia Capital.
Will Petra Power IPO soon?
No public IPO plans have been announced for Petra Power.
How can I track Petra Power secondary market activity?
Caplight tracks bids, offers, and trades in Petra Power's shares on secondary markets.