Germany · renewables
Battery storage in Hildesheim
11,669 storage units with 208.7 MW of gross capacity were in operation in Hildesheim (Niedersachsen) as of 2026-11-05, with a further 199 units (1.64 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 Hildesheim (Niedersachsen), and how large are they, as of 2026-11-05?
- 11,669 storage units with 208.7 MW of gross capacity were in operation in Hildesheim (Niedersachsen) as of 2026-11-05, with a further 199 units (1.64 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 Hildesheim?
- 11,669 storage units with 208.7 MW of gross capacity were in operation in Hildesheim as of 2026-11-05, with a further 199 units (1.64 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Hildesheim in 2025?
- 2,379 storage units with 16.1 MW went into operation in Hildesheim in 2025; the strongest year of the last two decades was 2025 with 16.1 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Hildesheim's storage units are larger than 100 kW?
- 4 of 11,950 registered storage units in Hildesheim (0.0 percent) exceed 100 kW, but they hold 140.8 MW of the 210.6 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Hildesheim?
- Scale Alfeld GmbH ＆ Co. KG operates 1 storage units over 100 kW with 137.5 MW in Hildesheim, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Hildesheim?
- Lithium-Batterie leads with 4 storage units and 140.8 MW in Hildesheim (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Hildesheim?
- The largest registered storage unit in Hildesheim has 137.5 MW of gross capacity and is operated by Scale Alfeld GmbH ＆ Co. KG, commissioned 2026-06-01 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Hildesheim distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 11,934 | 69.1 MW | 11,655 | 197 |
| 30 to 100 kW | 12 | 0.67 MW | 10 | 2 |
| over 100 kW | 4 | 140.8 MW | 4 | 0 |
How much battery storage capacity was commissioned in Hildesheim each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 2,393 | 150.3 MW |
| 2025 | 2,379 | 16.1 MW |
| 2024 | 2,502 | 15.7 MW |
| 2023 | 2,384 | 15.3 MW |
| 2022 | 1,006 | 5.58 MW |
| 2021 | 587 | 3.39 MW |
| 2020 | 217 | 1.06 MW |
| 2019 | 106 | 0.57 MW |
| 2018 | 47 | 0.22 MW |
| 2017 | 48 | 0.24 MW |
| 2016 | 26 | 0.13 MW |
| 2015 | 16 | 0.08 MW |
| 2014 | 24 | 0.13 MW |
| 2013 | 7 | 0.03 MW |
| 2012 | 1 | 0.00 MW |
| 2011 | 1 | 0.00 MW |
| 2008 | 1 | 0.01 MW |
| 2007 | 1 | 0.01 MW |
How many storage units in Hildesheim are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 11,669 | 208.7 MW |
| planned | 199 | 1.64 MW |
| permanently decommissioned | 77 | 0.25 MW |
| temporarily shut down | 5 | 0.01 MW |
Which storage units over 100 kW are registered in Hildesheim?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| Großbatteriespeicher Alfeld | 137.5 MW | 282.0 MWh | in operation | 2026-06-01 | Scale Alfeld GmbH ＆ Co. KG |
| 171-BESS Emmerke | 3.00 MW | 6.0 MWh | in operation | 2025-12-23 | WI Energy Verwaltungs GmbH für eine Gruppe von Anlagenbetreibern |
| Speicher 01 | 0.15 MW | 406 kWh | in operation | 2026-08-31 | PETROFER Chemie H. R. Fischer GmbH + Co. KG |
| Speicher | 0.13 MW | 134 kWh | in operation | 2023-02-13 | QEG Energie GmbH |
Which organisations operate the most battery storage capacity in Hildesheim?
| Operator | Units | Capacity |
|---|---|---|
| Scale Alfeld GmbH ＆ Co. KG | 1 | 137.5 MW |
| WI Energy Verwaltungs GmbH für eine Gruppe von Anlagenbetreibern | 1 | 3.00 MW |
| PETROFER Chemie H. R. Fischer GmbH + Co. KG | 1 | 0.15 MW |
| QEG Energie GmbH | 1 | 0.13 MW |
Which technology accounts for the most battery storage capacity in Hildesheim?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 4 | 140.8 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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