green flexibility
Battery storage for a reliable & economical energy future. MORE THAN ENERGY. WE DELIVER STABILITY.
78 employees · est. 2023 · Kempten, Germany
Spearmint Energy
Efficiently Enabling The Revolution
65 employees · est. 2022 · Miami, United States
Spearmint Energy is the older company (2023 vs 2022).
Side-by-Side Comparison
| Metric | green flexibility | Spearmint Energy |
|---|---|---|
| Founded | ||
| Founded | 2023 | 2022 older |
| Headquarters | ||
| Headquarters | Kempten, Germany | Miami, United States |
| Employees | ||
| Employees | 78 | 65 |
| Industry | ||
| Industry | Not tracked yet | Renewable Energy, Energy Storage |
| Funding Stage | ||
| Funding Stage | Unknown | Debt Financing |
| Total Funding | ||
| Total Funding | $400.00M | $339.50M |
| Funding Rounds | ||
| Funding Rounds | 1 | 3 |
| Services | ||
| Services | Large-scale battery storage development, Project lifecycle management, Grid connection and stabilization, Energy storage financing and co-development | Not tracked yet |
| Target Customers | ||
| Target Customers | Grid Operators, Municipalities, Project Developers, Landowners, Utilities | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Battery Storage Technology, Energy Transition, Renewable Energy Integration, Energy Infrastructure, Grid Stability, Large-scale Battery Storage, Sustainable Energy Solutions, End-to-end Energy Services, Strategic Grid Locations, Installation And Operation, Energy Storage Marketing, Battery Storage Manufacturing, Green Flexibility, Sustainable Integration | Battery Energy Storage, Solar Project Development, Energy Storage Offtake, Renewables Power Trading, Paris Climate Accord, Net Zero By 2050, Power Grid Resiliency |
| Website | ||
| Website | green-flexibility.com | spearmintenergy.com |
About green flexibility
Green Flexibility, founded in 2023, is at the forefront of advancing sustainable energy solutions in Germany. The company leverages over a century of collective experience to deliver large-scale battery storage systems crucial for a reliable, flexible, and sustainable energy infrastructure. Their sl...
About Spearmint Energy
Spearmint Energy is a Miami-based renewable energy startup founded in 2022, with a focus on enabling the clean energy revolution through battery energy storage. The company's platform encompasses battery and solar project development, energy storage offtake, and renewables power trading. Aligned wit...
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Funding, hiring, leadership and stack changes at green flexibility and Spearmint Energy — by email.
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Compiled from the BounceWatch company index. We last looked at green flexibility on 14 May 2026, and Spearmint Energy on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.