Germany · renewables
Battery storage in Northeim
5,786 storage units with 278.2 MW of gross capacity were in operation in Northeim (Niedersachsen) as of 2026-11-05, with a further 54 units (3.86 MW) registered as planned (Bundesnetzagentur, Marktstammdatenregister) — every unit over 100 kW with capacity, status, commissioning date and operator, from the Marktstammdatenregister.
Questions this page answers
- How many storage units are registered in Northeim (Niedersachsen), and how large are they, as of 2026-11-05?
- 5,786 storage units with 278.2 MW of gross capacity were in operation in Northeim (Niedersachsen) as of 2026-11-05, with a further 54 units (3.86 MW) registered as planned (Bundesnetzagentur, Marktstammdatenregister) — every unit over 100 kW with capacity, status, commissioning date and operator, from the Marktstammdatenregister.
- How many storage units are in operation in Northeim?
- 5,786 storage units with 278.2 MW of gross capacity were in operation in Northeim as of 2026-11-05, with a further 54 units (3.86 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Northeim in 2025?
- 1,219 storage units with 6.56 MW went into operation in Northeim in 2025; the strongest year of the last two decades was 2023 with 7.68 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Northeim's storage units are larger than 100 kW?
- 4 of 5,892 registered storage units in Northeim (0.1 percent) exceed 100 kW, but they hold 248.9 MW of the 282.2 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Northeim?
- Statkraft Markets GmbH operates 1 storage units over 100 kW with 220.0 MW in Northeim, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Northeim?
- Lithium-Batterie leads with 2 storage units and 25.5 MW in Northeim (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Northeim?
- The largest registered storage unit in Northeim has 220.0 MW of gross capacity and is operated by Statkraft Markets GmbH, commissioned 1964-05-01 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Northeim distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 5,882 | 32.9 MW | 5,777 | 53 |
| 30 to 100 kW | 6 | 0.37 MW | 6 | 0 |
| over 100 kW | 4 | 248.9 MW | 3 | 1 |
How much battery storage capacity was commissioned in Northeim each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 1,157 | 30.4 MW |
| 2025 | 1,219 | 6.56 MW |
| 2024 | 1,213 | 7.65 MW |
| 2023 | 1,235 | 7.68 MW |
| 2022 | 407 | 2.11 MW |
| 2021 | 260 | 1.29 MW |
| 2020 | 150 | 0.78 MW |
| 2019 | 70 | 1.31 MW |
| 2018 | 33 | 0.16 MW |
| 2017 | 29 | 0.16 MW |
| 2016 | 17 | 0.09 MW |
| 2015 | 16 | 0.06 MW |
| 2014 | 16 | 0.07 MW |
| 2013 | 5 | 0.03 MW |
| 2012 | 4 | 0.01 MW |
| 2011 | 5 | 0.03 MW |
How many storage units in Northeim are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 5,786 | 278.2 MW |
| planned | 54 | 3.86 MW |
| permanently decommissioned | 51 | 0.19 MW |
| temporarily shut down | 1 | 0.00 MW |
Which storage units over 100 kW are registered in Northeim?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| Pumpspeicherkraftwerk Erzhausen | 220.0 MW | 1,102.0 MWh | in operation | 1964-05-01 | Statkraft Markets GmbH |
| BESS-Einbeck | 24.5 MW | 64.0 MWh | in operation | 2026-01-08 | RheinEnergie Speicher Einbeck GmbH ＆ Co. KG |
| BESS Parensen | 3.45 MW | 6.0 MWh | planned | planned 2027 | PEE2 GmbH ＆ Co. KG |
| Batteriespeicher ECH | 1.00 MW | 1.4 MWh | in operation | 2019-06-12 | RKW SE |
Which organisations operate the most battery storage capacity in Northeim?
| Operator | Units | Capacity |
|---|---|---|
| Statkraft Markets GmbH | 1 | 220.0 MW |
| RheinEnergie Speicher Einbeck GmbH ＆ Co. KG | 1 | 24.5 MW |
| PEE2 GmbH ＆ Co. KG | 1 | 3.45 MW |
| RKW SE | 1 | 1.00 MW |
Which technology accounts for the most battery storage capacity in Northeim?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 2 | 25.5 MW |
Battery storage in Niedersachsen · Battery storage in Germany
Source: Bundesnetzagentur, Marktstammdatenregister (MaStR), full data export of 2026-11-05, Datenlizenz Deutschland – Namensnennung – Version 2.0. Counts and capacity by district, size class, commissioning year and status cover every registered unit, including small rooftop and balcony systems. Unit lists, operators and grid operators cover units over 100 kW gross capacity; units operated by private individuals are shown without name, operator or coordinates. Capacity is gross capacity (Bruttoleistung) as registered; planned units are those registered as 'In Planung'. District (Landkreis) is the register's own assignment. Source record.
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