green flexibility
Battery storage for a reliable & economical energy future. MORE THAN ENERGY. WE DELIVER STABILITY.
78 employees · est. 2023 · Kempten, Germany
PowerOak
Empowering the future of energy with advanced storage solutions and integrated systems for every need.
501-1000 employees · est. 2013
PowerOak is the older company (2023 vs 2013); PowerOak is the larger of the two.
Side-by-Side Comparison
| Metric | green flexibility | PowerOak |
|---|---|---|
| Founded | ||
| Founded | 2023 | 2013 older |
| Headquarters | ||
| Headquarters | Kempten, Germany | Not tracked yet |
| Employees | ||
| Employees | 78 | 501-1000 larger |
| Industry | ||
| Industry | Not tracked yet | Manufacturing, Energy Storage |
| Funding Stage | ||
| Funding Stage | Unknown | Series Unknown |
| Total Funding | ||
| Total Funding | $400.00M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | 1 |
| 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 | Energy Storage, Distributed Energy, Micro-grid Systems, Photovoltaic Integration, Off-grid Inverters, Battery Application Solutions, Technology Company, Energy Internet, Sustainable Energy, Portable Energy Storage, DC Power Storage, Lithium Battery |
| Website | ||
| Website | green-flexibility.com | poweroak.net |
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 PowerOak
PowerOak is a forward-thinking technology company founded in 2013 and specializing in the development and innovation of distributed energy storage products and micro-grid systems. The firm excels in advanced new energy storage technologies and comprehensive battery application solutions, including p...
We will tell you when either one moves
BounceWatch watches green flexibility and PowerOak for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at green flexibility and PowerOak — by email.
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Compiled from the BounceWatch company index. We last looked at green flexibility on 14 May 2026, and PowerOak 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.