About Steady Energy
Steady Energy is a company based in Espoo (Finland) founded in 2023 by Hannes Haapalahti and Tommi Nyman. Steady Energy has raised $73.8 million across 4 funding rounds from investors including VTT, LähiTapiola and 92 Capital. Steady Energy offers products and services including LDR-50 Nuclear Reactor and Advanced Heating Plants.
- Headquarter Espoo, Finland
- Founders Hannes Haapalahti, Tommi Nyman
- SectorsEnergy & Utilities
- Email••••••••
- Website steadyenergy.com
- Social LinkedIn
- Total Equity Funding$73.8M (USD)
in 4 rounds
- Latest Funding Round$37.57M (USD), Series C
Jul 2025
- InvestorsVTT
& 6 more
Products & Services of Steady Energy
Steady Energy offers a comprehensive portfolio of products and services, including LDR-50 Nuclear Reactor and Advanced Heating Plants.
Operates at low temperatures for safe, emission-free district heating applications.
Provides zero-carbon heat through simplified nuclear engineering designs.
Funding Insights of Steady Energy
Steady Energy has successfully raised a total of $73.8M across 4 strategic funding rounds. The most recent funding activity was a Series C round of $37.57 million completed in July 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $73.8M
- Total Rounds 4
- Last Round Series C — $37.57M
- First Round $2.18M
(Jun 2023)
- Investors Count 7
All 4 funding rounds of Steady Energy with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul 2025 | $37.57M | Series C | – | – | |
| Mar 2025 | $23.17M | Series B | – | 2 Ventures | |
| Mar 2024 | $10.87M | Series A | – | Lifeline Ventures, Yes VC | – |
| Jun 2023 | $2.18M | Seed | – | VTT, Yes VC | – |
7 investors in total: 7 institutional.
Investors in Steady Energy
Steady Energy has secured backing from 7 investors, including institutional and venture fund investors. Prominent investors backing the company include VTT, LähiTapiola and 92 Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early-stage venture capital is invested in European startups across sectors. | – | lifelineventures.com | Helsinki, Finland | |
Early-stage VC firm | – | yes.vc | San Francisco, United States | |
Private equity investment firm | – | tesi.fi | Helsinki, Finland | |
Move Energy is focused on investments in energy transition. | – | moveenergy.vc | Amsterdam, Netherlands | |
A fund specialized in nuclear energy investments is managed. | – | 92ventures.dk | Denmark | |
Technology-focused research and consulting services are provided by VTT. | 1942 | vttresearch.com | Espoo, Finland | |
Diversified insurance services are offered across Finland. | 1982 | lahitapiola.fi | Espoo, Finland |
Investor details for Steady Energy
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Steady Energy
5 people are tracked at Steady Energy (3 in leadership, 2 in team).
| Name | Role | Group |
|---|---|---|
Hannes Haapalahti | Co-Founder | Leadership |
Tommi Nyman | Co-Founder & CEO | Leadership |
Pauliina Sinnemaa | Head Of Business Development | Leadership |
Markus Hartikainen | I&c Engineering Manager | Team |
Essi Heikkilä | Marketing And Communications Manager | Team |
Complete people profiles for Steady Energy
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Steady Energy
3 dated milestones of Steady Energy across 2 years, from founding to its latest funding, stage changes and deals.
- Founded Steady Energy is founded.
- Funding First funding round of $2.2M.
- Funding Latest funding round, Series C, of $37.6M.
Web traffic of Steady Energy
The website of Steady Energy (steadyenergy.com) receives about 15.3K visits a month.
- Monthly visits15.3K
▲ 874.1% vs previous month
Latest news on Steady Energy
Complete news archive for Steady Energy
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
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- Older coverage
- Brand-specific news history
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Similar companies to Steady Energy
10 companies that operate in the same segment as Steady Energy (Nuclear & Fusion Energy), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Developer of energy solutions | 1925 | Juno Beach, Florida, United States | – | USD 26.53 B | 16,800 | |
Fuel and power producer in the nuclear energy sector | 2001 | United States | USD 307.86 M | – | – | |
Clean energy solutions for generation, retail, and heating are provided. | 1998 | Espoo, Finland | – | USD 5.86 B | 4,470 | |
Advanced nuclear reactors are designed for low-carbon energy solutions. | 2006 | Bellevue, Washington, United States | USD 1.46 B | – | 299 | |
Compact tokamak fusion reactors are developed with superconducting magnets. | 2018 | Cambridge, Massachusetts, United States | USD 3.93 B | – | – | |
Advanced nuclear reactors are designed, built, and operated by Newcleo. | 2021 | London, England, United Kingdom | USD 769.93 M | USD 11.38 M | – | |
Deuterium-based magnetic-nuclear fusion reactors are developed for power generation. | 2010 | Redmond, Washington, United States | USD 1.44 B | – | – | |
Energy corporation | 1903 | Newark, New Jersey, United States | – | USD 12.28 B | 13,050 | |
Energy utilities, natural gas, and communications technology are provided. | 1912 | United States | – | USD 29.55 B | 28,600 | |
FRC nuclear fusion reactors are developed using advanced beam technology. | 1998 | Lake Forest, California, United States | USD 1.32 B | – | – |
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Frequently Asked Questions about Steady Energy
Steady Energy was founded in 2023.
Steady Energy is headquartered in Espoo, Finland.
Tommi Nyman is the current CEO of Steady Energy. They have also founded this company.
Steady Energy is a funded company, having raised a total of $73.8M across 4 funding rounds to date. The company's 1st funding round was a Seed of $2.18M, raised on Jun 2023.
Steady Energy was founded in 2023 and is based in Espoo, Finland. Nuclear engineering solutions are offered by the company to develop and introduce zero-emission heating plants. Operations focus on the energy sector, with services centered on innovative nuclear technologies for sustainable heating. The company is co-founded by Hannes Haapalahti and Tommi Nyman, who serves as CEO. Geographic emphasis is placed on European markets for deployment.
Steady Energy offers LDR-50 Nuclear Reactor and Advanced Heating Plants.
Steady Energy has 7 investors. Key investors include VTT, LähiTapiola, 92 Capital, Lifeline Ventures, and Yes VC.