VoltStorage
VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow technology.
VoltStorage has raised €60M across 3 funding rounds from 5 investors, most recently a Debt round in Jul 2023. Based in Munich, Germany; founded 2016; active in Cleantech. Data as of 28 Oct 2026.
Total raised
€60M
€60,000,000
Funding rounds
3
Investors
5
distinct backers
Active since
2020-07
latest 2023-07
Funding by year
EUR raised per yearVoltStorage — funding by year — interactive chart.
Data table
| VoltStorage — funding by year | |
|---|---|
| 2020 | €6.0M |
| 2022 | €24M |
| 2023 | €30M |
Signals
High confidenceRaise-next likelihood9
base rate 45% for Debt
- ▼ Dormant (no round in 3+ cohort gaps)
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood11
base rate 11% (2+ rounds)
- ▲ €30M+ raised
- ▲ 10y since founding (typical exit age)
- ▼ No recent equity round (debt-only or quiet)
Timing: dormant vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
3 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2023-07-28 | Debt | €30M | European Investment Bank (EIB) | View deal → |
| 2022-07-28 | Other | €24M | Cummins | View deal → |
| 2020-07-29 | Other | €6.0M | Bayern Kapital,InnoEnergy,Korys | View deal → |
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