Eos Energy Secures 750 MWh German Storage Deal, Eyes 2 GWh Expansion by 2031
Event summary
- Eos Energy signs binding Master Supply Agreement with CAPAC Energy for 750 MWh storage capacity in Germany, Austria, Switzerland, with potential to scale to 2 GWh by 2031.
- First projects under existing purchase order now under construction, with commercial operations targeted for late 2026.
- CAPAC Energy becomes Eos' exclusive distribution partner in the DACH region.
- Agreement marks Eos' first international commercial framework for its Indensity™ long-duration storage technology.
- Partnership includes potential evaluation of local manufacturing capabilities in the European Union.
The big picture
Germany's coal phase-out and renewable energy targets are driving demand for flexible, multi-hour storage solutions. This deal positions Eos to capitalize on regulatory reforms and grid complexity challenges, while CAPAC Energy's local expertise provides a critical advantage in project execution. The 750 MWh commitment represents a significant entry point into Europe's largest storage market, with potential to scale to 2 GWh by 2031.
What we're watching
- Regulatory Tailwinds
- Whether Germany's upcoming capacity market mechanism (2027) will accelerate storage deployments beyond current projections.
- Execution Risk
- The pace at which Eos can scale manufacturing and supply chain to meet European demand without compromising U.S. operations.
- Market Positioning
- How Eos' zinc-based technology will compete against lithium-ion and other emerging storage solutions in the DACH region.
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