Germany · renewables
Battery storage in Uelzen
3,885 storage units with 37.0 MW of gross capacity were in operation in Uelzen (Niedersachsen) as of 2026-11-05, with a further 54 units (0.53 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 Uelzen (Niedersachsen), and how large are they, as of 2026-11-05?
- 3,885 storage units with 37.0 MW of gross capacity were in operation in Uelzen (Niedersachsen) as of 2026-11-05, with a further 54 units (0.53 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 Uelzen?
- 3,885 storage units with 37.0 MW of gross capacity were in operation in Uelzen as of 2026-11-05, with a further 54 units (0.53 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Uelzen in 2025?
- 796 storage units with 4.45 MW went into operation in Uelzen in 2025; the strongest year of the last two decades was 2024 with 5.84 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Uelzen's storage units are larger than 100 kW?
- 2 of 3,953 registered storage units in Uelzen (0.1 percent) exceed 100 kW, but they hold 13.3 MW of the 37.6 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Uelzen?
- trlyr 31 GmbH ＆ Co. KG operates 1 storage units over 100 kW with 13.2 MW in Uelzen, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Uelzen?
- Lithium-Batterie leads with 2 storage units and 13.3 MW in Uelzen (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Uelzen?
- The largest registered storage unit in Uelzen has 13.2 MW of gross capacity and is operated by trlyr 31 GmbH ＆ Co. KG, commissioned 2026-07-15 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Uelzen distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 3,935 | 23.6 MW | 3,871 | 50 |
| 30 to 100 kW | 16 | 0.72 MW | 12 | 4 |
| over 100 kW | 2 | 13.3 MW | 2 | 0 |
How much battery storage capacity was commissioned in Uelzen each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 809 | 17.7 MW |
| 2025 | 796 | 4.45 MW |
| 2024 | 873 | 5.84 MW |
| 2023 | 827 | 5.67 MW |
| 2022 | 252 | 1.43 MW |
| 2021 | 167 | 0.99 MW |
| 2020 | 79 | 0.51 MW |
| 2019 | 38 | 0.21 MW |
| 2018 | 14 | 0.06 MW |
| 2017 | 15 | 0.09 MW |
| 2016 | 10 | 0.07 MW |
| 2015 | 6 | 0.02 MW |
| 2014 | 7 | 0.03 MW |
| 2013 | 2 | 0.00 MW |
| 2012 | 1 | 0.00 MW |
| 2011 | 2 | 0.02 MW |
How many storage units in Uelzen are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 3,885 | 37.0 MW |
| planned | 54 | 0.53 MW |
| permanently decommissioned | 14 | 0.05 MW |
Which storage units over 100 kW are registered in Uelzen?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| trlyr 31 | 13.2 MW | 28.4 MWh | in operation | 2026-07-15 | trlyr 31 GmbH ＆ Co. KG |
| PV-Anlage Kläranlage Rosche Hallendach und Gebläsehaus | 0.14 MW | 168 kWh | in operation | 2025-09-12 | Samtgemeinde Rosche Nettoregiebetrieb Abwasser |
Which organisations operate the most battery storage capacity in Uelzen?
| Operator | Units | Capacity |
|---|---|---|
| trlyr 31 GmbH ＆ Co. KG | 1 | 13.2 MW |
| Samtgemeinde Rosche Nettoregiebetrieb Abwasser | 1 | 0.14 MW |
Which technology accounts for the most battery storage capacity in Uelzen?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 2 | 13.3 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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