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Germany · renewables

Battery storage in Mülheim an der Ruhr

3,411 storage units with 23.6 MW of gross capacity were in operation in Mülheim an der Ruhr (Nordrhein-Westfalen) as of 2026-11-05, with a further 53 units (0.47 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 Mülheim an der Ruhr (Nordrhein-Westfalen), and how large are they, as of 2026-11-05?
3,411 storage units with 23.6 MW of gross capacity were in operation in Mülheim an der Ruhr (Nordrhein-Westfalen) as of 2026-11-05, with a further 53 units (0.47 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 Mülheim an der Ruhr?
3,411 storage units with 23.6 MW of gross capacity were in operation in Mülheim an der Ruhr as of 2026-11-05, with a further 53 units (0.47 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
How much battery storage capacity was commissioned in Mülheim an der Ruhr in 2025?
788 storage units with 4.11 MW went into operation in Mülheim an der Ruhr in 2025; the strongest year of the last two decades was 2023 with 8.27 MW (Bundesnetzagentur, Marktstammdatenregister).
What share of Mülheim an der Ruhr's storage units are larger than 100 kW?
1 of 3,479 registered storage units in Mülheim an der Ruhr (0.0 percent) exceed 100 kW, but they hold 3.80 MW of the 24.0 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
Which company operates the most battery storage capacity in Mülheim an der Ruhr?
Siemens Energy Global GmbH & Co. KG operates 1 storage units over 100 kW with 3.80 MW in Mülheim an der Ruhr, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
Which technology has the most battery storage capacity in Mülheim an der Ruhr?
Lithium-Batterie leads with 1 storage units and 3.80 MW in Mülheim an der Ruhr (Bundesnetzagentur, Marktstammdatenregister).
What is the largest storage unit in Mülheim an der Ruhr?
The largest registered storage unit in Mülheim an der Ruhr has 3.80 MW of gross capacity and is operated by Siemens Energy Global GmbH & Co. KG, commissioned 2023-11-15 (Bundesnetzagentur, Marktstammdatenregister).

How are the storage units in Mülheim an der Ruhr distributed by size class?

Size classUnitsCapacityIn operationPlanned
up to 30 kW3,47019.9 MW3,40253
30 to 100 kW80.37 MW80
over 100 kW13.80 MW10

How much battery storage capacity was commissioned in Mülheim an der Ruhr each year?

Commissioning yearUnitsCapacity added
20267863.99 MW
20257884.11 MW
20246804.26 MW
20236798.27 MW
20222071.39 MW
20211200.69 MW
2020700.39 MW
2019410.21 MW
2018300.15 MW
2017100.05 MW
201660.03 MW
201530.01 MW
201440.02 MW
201110.00 MW

How many storage units in Mülheim an der Ruhr are in operation, planned or decommissioned?

StatusUnitsCapacity
in operation3,41123.6 MW
planned530.47 MW
permanently decommissioned150.03 MW

Which storage units over 100 kW are registered in Mülheim an der Ruhr?

UnitCapacityUsable capacityStatusCommissionedOperator
BESS MLH R (Batteriespeicher)3.80 MW6.0 MWhin operation2023-11-15Siemens Energy Global GmbH & Co. KG

Which organisations operate the most battery storage capacity in Mülheim an der Ruhr?

OperatorUnitsCapacity
Siemens Energy Global GmbH & Co. KG13.80 MW

Which technology accounts for the most battery storage capacity in Mülheim an der Ruhr?

TechnologyUnitsCapacity
Lithium-Batterie13.80 MW

Battery storage in Nordrhein-Westfalen · 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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