Germany — CAES · PCI 1.32
Ahaus CAES
The Ahaus CAES project will provide large-scale, long-duration energy storage in Germany, storing renewable electricity as compressed air and returning it to the grid when the system needs it most. The project is designed to absorb surplus renewable generation and discharge across multi-hour to multi-day periods.
220MW
Charge capacity
320MW
Discharge capacity
up to25GWh
Storage capacity
All capacity figures are target figures and subject to final investment decision.
- Project location
- Ahaus, Germany
- Technology
- CAES
- Status
- In development
- Grid connection
- To be confirmed
- Storage duration
- Multi-hour to multi-day
- EU designation
- PCI 1.32
Strategic relevance
Ahaus is an EU-designated Project of Common Interest (PCI 1.32), recognising its strategic contribution to Europe's trans-European energy infrastructure policy.
Technical overview
- 01Compressed Air Energy Storage (CAES) facility
- 02220 MW charge capacity
- 03320 MW discharge capacity
- 04Up to 25 GWh of storage capacity
- 05Multi-hour to multi-day discharge capability
Development status
The project is currently in development. All capacity figures are target figures and remain subject to final investment decision.
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