CMBLU
About CMBLU
CMBLU is a Battery Storage startup based in Alzenau, Germany that has raised $170M in venture capital across 2 funding rounds since 2014. The company reached Series C stage in October 2023 with a $115M round led by STRABAG SE. CMBLU's investor base includes 2 institutional funds, with Samsung Ventures leading the most recent equity round.
CMBLU Energy is a German deep-tech company redefining long-duration energy storage with its proprietary SolidFlow battery technology. The system uses non-flammable, water-based electrolytes combined with solid organic energy storage materials — built entirely without lithium or critical minerals — enabling multi-hour grid-scale storage at commercial scale. The company operates an automated gigafactory in Alzenau, Germany, with additional facilities planned in the United States and Greece, and has secured a 5 GWh framework agreement with European utility Uniper.
CMBLU Funding Rounds Timeline
2 rounds · $170M raised · since 2014
| Round | Date | Amount | Valuation | Lead investor | Co-investors |
|---|---|---|---|---|---|
| Growth | October 2023 | $115M | — | STRABAG SE | — |
| Series C | April 2026 | $55M | $1.1B | Samsung Ventures | STRABAG SE |
Investors in CMBLU
2 institutional investors across 2 rounds
Lead investors
Recent news about CMBLU
- FundingCMBLU steigt zum Unicorn aufMay 2026
Questions about CMBLU
How much has CMBLU raised?
CMBLU has raised $170M across 2 funding rounds since 2014.
Who are the investors of CMBLU?
CMBLU's investors include Samsung Ventures, STRABAG SE.
When was CMBLU's last funding round?
CMBLU's most recent round was a $115M Growth in October 2023, led by STRABAG SE.
What is CMBLU's valuation?
CMBLU reached a $1.1B valuation (unicorn status) with its Growth round in October 2023.
Where is CMBLU headquartered?
CMBLU is headquartered in Alzenau, Germany, and was founded in 2014 by Dr. Peter Geigle.