1s1 Energy
1s1 Energy is catalyzing the adoption of renewable hydrogen within this decade.
1s1 Energy has raised €3.4M across 2 funding rounds from 11 investors, most recently a Seed round in Oct 2024. Based in Lisbon, Portugal; active in Energy. Data as of 28 Oct 2026.
Lisbon, Portugalwww.1s1energy.com ↗
Total raised
€3.4M
€3,443,986
Funding rounds
2
Investors
11
distinct backers
Active since
2022-11
latest 2024-10
Funding by year
EUR raised per year1s1 Energy — funding by year — interactive chart.
Data table
| 1s1 Energy — funding by year | |
|---|---|
| 2022 | €2.2M |
| 2024 | €1.3M |
Signals
High confidenceRaise-next likelihood24
base rate 44% for Seed
- ▼ Past typical raise window
- ▼ Down/flat last round
Exit likelihood7
base rate 11% (2+ rounds)
- ▼ No recent equity round (debt-only or quiet)
Timing: overdue vs cohort gap · momentum down. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2024-10-15 | Seed | €1.3M | Asiri,City Light,Faber,Gibson Lane GmbH,Rumbo Ventures | View deal → |
| 2022-11-10 | Other | €2.2M | Aquarius Invest,Asiri,CSN Inova,Ecoa Capital,Faber,Gibson Lane GmbH | View deal → |
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