Finland · 
Who invested in Steady Energy?
Steady Energy's investors include Lifeline Ventures and European Investment Bank.
2026
$35MSeries B$47MDebt
Finland · Funded startup
Who invested in Steady Energy
Funding summaryUpdated 26 Oct 2026
$81Mraised across 2 rounds since 2025, from 2 sources
$35MSeries B$47MDebt
- Latest round
- Debt, $47MSept 2026
- Step-upi
- 1.3×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $35M Mar 2025
- Biggest round
- $47M Debt · Sept 2026
- Between rounds
- 18 months from the last two
The rounds
- Sept 2026
- Mar 2025
Founders and team
From Steady Energy's own website: 44 on the team.
- Tommi NymanChief Executive Officer
- Hannes HaapalahtiChief Technology Officer
- Matti PenttiChief Commercial Officer
- Sami AirolaChief Financial Officer
- Tiina PartanenChief Operating Officer
- Antti VäyrynenHead of Project Partnerships
- Eduardo Vera GarciaHead of Nuclear Heat Supply Systems Engineering
- Fabien ChareyreHead of Architecture & Integration
- Hannu TuulensuuHead of Nuclear Safety
- Jaakko KuopanporttiHead of Nuclear Engineering
- Juho VierimaaHead of Licensing and Quality
- Jussi LahtinenHead of Requirements and Configuration
- Lauri MuranenHead of Public Affairs
- Markku SuopankiHead of Sales
- Pauliina SinnemaaHead of Business Development
- Anna WalldénHR Manager
- Antoine HerpinJunior Systems Integration Engineer
- Antti TarkiainenPrincipal Nuclear Safety Engineer
And 26 more on the team.
AdvisersJuha Rinta-SeppäläMikael SolalaRiku MattilaSeppo KoskiVesa Ruuska
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Steady Energy as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Steady Energy
How much has Steady Energy raised?
Steady Energy has raised $81M across 2 rounds since 2025.
When did Steady Energy last raise?
Steady Energy's most recent round was a Debt of $47M in Sept 2026.
What was Steady Energy's biggest round?
Its most recent round, $47M in Sept 2026, is also its largest on record.
Who backed Steady Energy first?
Steady Energy's first round on record, in Mar 2025, was backed by Lifeline Ventures.
What stage is Steady Energy at?
Steady Energy's latest named round is a Debt, in Sept 2026.
Where is Steady Energy based?
Steady Energy is based in Finland.
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