Germany · renewables
Battery storage in Mannheim
4,894 storage units with 27.6 MW of gross capacity were in operation in Mannheim (Baden-Württemberg) as of 2026-11-05, with a further 22 units (0.22 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 Mannheim (Baden-Württemberg), and how large are they, as of 2026-11-05?
- 4,894 storage units with 27.6 MW of gross capacity were in operation in Mannheim (Baden-Württemberg) as of 2026-11-05, with a further 22 units (0.22 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 Mannheim?
- 4,894 storage units with 27.6 MW of gross capacity were in operation in Mannheim as of 2026-11-05, with a further 22 units (0.22 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Mannheim in 2025?
- 1,008 storage units with 5.49 MW went into operation in Mannheim in 2025; the strongest year of the last two decades was 2023 with 5.58 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Mannheim's storage units are larger than 100 kW?
- 1 of 4,934 registered storage units in Mannheim (0.0 percent) exceed 100 kW, but they hold 0.30 MW of the 27.8 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Mannheim?
- ServiceHaus GmbH operates 1 storage units over 100 kW with 0.30 MW in Mannheim, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Mannheim?
- Lithium-Batterie leads with 1 storage units and 0.30 MW in Mannheim (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Mannheim?
- The largest registered storage unit in Mannheim has 0.30 MW of gross capacity and is operated by ServiceHaus GmbH, commissioned 2020-10-15 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Mannheim distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 4,921 | 26.9 MW | 4,882 | 21 |
| 30 to 100 kW | 12 | 0.69 MW | 11 | 1 |
| over 100 kW | 1 | 0.30 MW | 1 | 0 |
How much battery storage capacity was commissioned in Mannheim each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 937 | 4.82 MW |
| 2025 | 1,008 | 5.49 MW |
| 2024 | 920 | 5.47 MW |
| 2023 | 970 | 5.58 MW |
| 2022 | 376 | 2.07 MW |
| 2021 | 258 | 1.57 MW |
| 2020 | 183 | 1.43 MW |
| 2019 | 102 | 0.53 MW |
| 2018 | 60 | 0.29 MW |
| 2017 | 40 | 0.15 MW |
| 2016 | 25 | 0.07 MW |
| 2015 | 15 | 0.06 MW |
| 2014 | 10 | 0.04 MW |
| 2013 | 6 | 0.03 MW |
How many storage units in Mannheim are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 4,894 | 27.6 MW |
| planned | 22 | 0.22 MW |
| permanently decommissioned | 17 | 0.06 MW |
| temporarily shut down | 1 | 0.01 MW |
Which storage units over 100 kW are registered in Mannheim?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| Stromspeicher | 0.30 MW | 470 kWh | in operation | 2020-10-15 | ServiceHaus GmbH |
Which organisations operate the most battery storage capacity in Mannheim?
| Operator | Units | Capacity |
|---|---|---|
| ServiceHaus GmbH | 1 | 0.30 MW |
Which technology accounts for the most battery storage capacity in Mannheim?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 1 | 0.30 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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