Germany · renewables
Battery storage in Ostholstein
7,455 storage units with 41.6 MW of gross capacity were in operation in Ostholstein (Schleswig-Holstein) as of 2026-11-05, with a further 109 units (5.65 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 Ostholstein (Schleswig-Holstein), and how large are they, as of 2026-11-05?
- 7,455 storage units with 41.6 MW of gross capacity were in operation in Ostholstein (Schleswig-Holstein) as of 2026-11-05, with a further 109 units (5.65 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 Ostholstein?
- 7,455 storage units with 41.6 MW of gross capacity were in operation in Ostholstein as of 2026-11-05, with a further 109 units (5.65 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Ostholstein in 2025?
- 1,626 storage units with 8.54 MW went into operation in Ostholstein in 2025; the strongest year of the last two decades was 2024 with 9.76 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Ostholstein's storage units are larger than 100 kW?
- 4 of 7,632 registered storage units in Ostholstein (0.1 percent) exceed 100 kW, but they hold 5.32 MW of the 47.4 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Ostholstein?
- Sunnic Lighthouse Solar Invest 18 TU 4 GmbH ＆ Co. KG operates 1 storage units over 100 kW with 3.80 MW in Ostholstein, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Ostholstein?
- Lithium-Batterie leads with 4 storage units and 5.32 MW in Ostholstein (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Ostholstein?
- The largest registered storage unit in Ostholstein has 3.80 MW of gross capacity and is operated by Sunnic Lighthouse Solar Invest 18 TU 4 GmbH ＆ Co. KG, registered as planned (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Ostholstein distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 7,606 | 41.0 MW | 7,433 | 105 |
| 30 to 100 kW | 22 | 1.14 MW | 20 | 2 |
| over 100 kW | 4 | 5.32 MW | 2 | 2 |
How much battery storage capacity was commissioned in Ostholstein each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 1,658 | 8.89 MW |
| 2025 | 1,626 | 8.54 MW |
| 2024 | 1,646 | 9.76 MW |
| 2023 | 1,504 | 8.97 MW |
| 2022 | 514 | 2.63 MW |
| 2021 | 248 | 1.27 MW |
| 2020 | 127 | 0.69 MW |
| 2019 | 73 | 0.35 MW |
| 2018 | 44 | 0.23 MW |
| 2017 | 30 | 0.15 MW |
| 2016 | 16 | 0.08 MW |
| 2015 | 14 | 0.06 MW |
| 2014 | 14 | 0.07 MW |
| 2013 | 5 | 0.04 MW |
| 2012 | 1 | 0.01 MW |
| 2011 | 1 | 0.00 MW |
How many storage units in Ostholstein are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 7,455 | 41.6 MW |
| planned | 109 | 5.65 MW |
| permanently decommissioned | 61 | 0.15 MW |
| temporarily shut down | 7 | 0.01 MW |
Which storage units over 100 kW are registered in Ostholstein?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| Lensahn 1 Speicher | 3.80 MW | 14.0 MWh | planned | planned 2026 | Sunnic Lighthouse Solar Invest 18 TU 4 GmbH ＆ Co. KG |
| Batteriespeicher | 1.00 MW | 2.0 MWh | planned | planned 2027 | ZVO Energieerzeugung GmbH |
| Stromspeicher Reithalle West | 0.30 MW | 332 kWh | in operation | 2026-05-28 | Gebr. Rumpel GmbH ＆ KG |
| Speicher Ostseecamp | 0.22 MW | 430 kWh | in operation | 2026-02-10 | Wieben Energie GmbH |
Which organisations operate the most battery storage capacity in Ostholstein?
| Operator | Units | Capacity |
|---|---|---|
| Sunnic Lighthouse Solar Invest 18 TU 4 GmbH ＆ Co. KG | 1 | 3.80 MW |
| ZVO Energieerzeugung GmbH | 1 | 1.00 MW |
| Gebr. Rumpel GmbH ＆ KG | 1 | 0.30 MW |
| Wieben Energie GmbH | 1 | 0.22 MW |
Which technology accounts for the most battery storage capacity in Ostholstein?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 4 | 5.32 MW |
Battery storage in Schleswig-Holstein · 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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