In operation (power)
447 MW
47 units
All battery storage units ≥ 1 MW registered in Niedersachsen: 447 MW in operation, 512 MW planned.
447 MW
47 units
893 MWh
512 MW
74 units
1.14 GWh
Source: Marktstammdatenregister (Bundesnetzagentur), battery storage ≥ 1 MW. As of 21/09/2026.
| Unit | Location | MW | MWh | h | Status | COD / planned | Operator | Grid operator | Save |
|---|---|---|---|---|---|---|---|---|---|
Kyon-56 Battery Storage SEE918241145889 | Hilgermissen, Niedersachsen | 146.5 | 294.4 | 2 | Planned | 20/05/2027 | Kyon-56 Battery Storage GmbH | TenneT TSO GmbH | Sign in to save |
Großbatteriespeicher Alfeld SEE918385807070 | Alfeld, Niedersachsen | 99.3 | 203.1 | 2 | In operation | 01/06/2026 | Scale Alfeld GmbH & Co. KG | Avacon Netz GmbH | Sign in to save |
Source: Marktstammdatenregister (Bundesnetzagentur), storage units with technology "battery" and gross power ≥ 1 MW. Operators that are natural persons are not shown. No guarantee; register data can be reported late or incorrectly.
All listed projects with filters for country, phase, size and grid status.
Open project marketplaceYour project in the database?
List your project and make it discoverable for investors.