Germany · renewables
Battery storage in Ostalbkreis
13,804 storage units with 109.8 MW of gross capacity were in operation in Ostalbkreis (Baden-Württemberg) as of 2026-11-05, with a further 136 units (5.34 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 Ostalbkreis (Baden-Württemberg), and how large are they, as of 2026-11-05?
- 13,804 storage units with 109.8 MW of gross capacity were in operation in Ostalbkreis (Baden-Württemberg) as of 2026-11-05, with a further 136 units (5.34 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 Ostalbkreis?
- 13,804 storage units with 109.8 MW of gross capacity were in operation in Ostalbkreis as of 2026-11-05, with a further 136 units (5.34 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Ostalbkreis in 2025?
- 2,939 storage units with 26.2 MW went into operation in Ostalbkreis in 2025; the strongest year of the last two decades was 2025 with 26.2 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Ostalbkreis's storage units are larger than 100 kW?
- 10 of 14,013 registered storage units in Ostalbkreis (0.1 percent) exceed 100 kW, but they hold 27.4 MW of the 115.4 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Ostalbkreis?
- Kessler ＆ Co. operates 2 storage units over 100 kW with 10.0 MW in Ostalbkreis, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Ostalbkreis?
- Lithium-Batterie leads with 10 storage units and 27.4 MW in Ostalbkreis (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Ostalbkreis?
- The largest registered storage unit in Ostalbkreis has 8.10 MW of gross capacity and is operated by Brandstätter Solarpark GmbH ＆ Co. KG, commissioned 2025-08-01 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Ostalbkreis distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 13,956 | 85.6 MW | 13,751 | 132 |
| 30 to 100 kW | 47 | 2.37 MW | 46 | 1 |
| over 100 kW | 10 | 27.4 MW | 7 | 3 |
How much battery storage capacity was commissioned in Ostalbkreis each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 2,829 | 32.2 MW |
| 2025 | 2,939 | 26.2 MW |
| 2024 | 2,937 | 20.0 MW |
| 2023 | 2,516 | 17.4 MW |
| 2022 | 900 | 5.35 MW |
| 2021 | 651 | 3.68 MW |
| 2020 | 445 | 2.23 MW |
| 2019 | 230 | 1.13 MW |
| 2018 | 183 | 0.79 MW |
| 2017 | 86 | 0.39 MW |
| 2016 | 82 | 0.37 MW |
| 2015 | 31 | 0.11 MW |
| 2014 | 31 | 0.15 MW |
| 2013 | 13 | 0.06 MW |
| 2012 | 2 | 0.01 MW |
How many storage units in Ostalbkreis are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 13,804 | 109.8 MW |
| planned | 136 | 5.34 MW |
| permanently decommissioned | 70 | 0.25 MW |
| temporarily shut down | 3 | 0.01 MW |
Which storage units over 100 kW are registered in Ostalbkreis?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| Stromspeicher Batterie Riegel II | 8.10 MW | 14.2 MWh | in operation | 2025-08-01 | Brandstätter Solarpark GmbH ＆ Co. KG |
| Batteriespeicher Werk 1 und 3 | 5.00 MW | 10.0 MWh | in operation | 2026-06-01 | Kessler ＆ Co. |
| Batteriespeicher Dettenried Werk 4 und 5 | 5.00 MW | 15.0 MWh | in operation | 2026-06-01 | Kessler ＆ Co. |
| Rötenbach - BESS 1 | 4.47 MW | 8.9 MWh | in operation | 2026-03-31 | Solarpark Rötenbach GmbH ＆ Co. KG |
| Speicher Mögglingen - P24-236 | 3.62 MW | 7.2 MWh | planned | planned 2026 | Anumar Solarpark Mögglingen GmbH ＆ Co. KG |
| BESS GROE Trading | 0.50 MW | 1.0 MWh | planned | planned 2026 | Grötzinger Bioenergie GmbH ＆ Co. KG |
| Batteriespeicher (21075 P) | 0.36 MW | 900 kWh | in operation | 2022-08-10 | Stengel GmbH |
| BESS GROE PV | 0.12 MW | 250 kWh | planned | planned 2026 | Grötzinger Bioenergie GmbH ＆ Co. KG |
| Batteriespeicher (21426 P) | 0.12 MW | 300 kWh | in operation | 2023-01-17 | ISO-Chemie GmbH |
| PV-Anlage Mayer | 0.11 MW | 129 kWh | in operation | 2026-05-19 | Thaler Verwaltungs GmbH |
Which organisations operate the most battery storage capacity in Ostalbkreis?
| Operator | Units | Capacity |
|---|---|---|
| Kessler ＆ Co. | 2 | 10.0 MW |
| Brandstätter Solarpark GmbH ＆ Co. KG | 1 | 8.10 MW |
| Solarpark Rötenbach GmbH ＆ Co. KG | 1 | 4.47 MW |
| Anumar Solarpark Mögglingen GmbH ＆ Co. KG | 1 | 3.62 MW |
| Grötzinger Bioenergie GmbH ＆ Co. KG | 2 | 0.62 MW |
| Stengel GmbH | 1 | 0.36 MW |
| ISO-Chemie GmbH | 1 | 0.12 MW |
| Thaler Verwaltungs GmbH | 1 | 0.11 MW |
Which technology accounts for the most battery storage capacity in Ostalbkreis?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 10 | 27.4 MW |
Battery storage in Baden-Württemberg · 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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