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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.

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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 classUnitsCapacityIn operationPlanned
up to 30 kW4,92126.9 MW4,88221
30 to 100 kW120.69 MW111
over 100 kW10.30 MW10

How much battery storage capacity was commissioned in Mannheim each year?

Commissioning yearUnitsCapacity added
20269374.82 MW
20251,0085.49 MW
20249205.47 MW
20239705.58 MW
20223762.07 MW
20212581.57 MW
20201831.43 MW
20191020.53 MW
2018600.29 MW
2017400.15 MW
2016250.07 MW
2015150.06 MW
2014100.04 MW
201360.03 MW

How many storage units in Mannheim are in operation, planned or decommissioned?

StatusUnitsCapacity
in operation4,89427.6 MW
planned220.22 MW
permanently decommissioned170.06 MW
temporarily shut down10.01 MW

Which storage units over 100 kW are registered in Mannheim?

UnitCapacityUsable capacityStatusCommissionedOperator
Stromspeicher0.30 MW470 kWhin operation2020-10-15ServiceHaus GmbH

Which organisations operate the most battery storage capacity in Mannheim?

OperatorUnitsCapacity
ServiceHaus GmbH10.30 MW

Which technology accounts for the most battery storage capacity in Mannheim?

TechnologyUnitsCapacity
Lithium-Batterie10.30 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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