Germany · renewables
Battery storage in Chemnitz
3,824 storage units with 36.6 MW of gross capacity were in operation in Chemnitz (Sachsen) as of 2026-11-05, with a further 56 units (110.5 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 Chemnitz (Sachsen), and how large are they, as of 2026-11-05?
- 3,824 storage units with 36.6 MW of gross capacity were in operation in Chemnitz (Sachsen) as of 2026-11-05, with a further 56 units (110.5 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 Chemnitz?
- 3,824 storage units with 36.6 MW of gross capacity were in operation in Chemnitz as of 2026-11-05, with a further 56 units (110.5 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Chemnitz in 2025?
- 702 storage units with 3.83 MW went into operation in Chemnitz in 2025; the strongest year of the last two decades was 2017 with 15.9 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Chemnitz's storage units are larger than 100 kW?
- 7 of 3,904 registered storage units in Chemnitz (0.2 percent) exceed 100 kW, but they hold 126.5 MW of the 147.2 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Chemnitz?
- Batteriespeicher ROE GmbH ＆ Co. KG operates 2 storage units over 100 kW with 110.0 MW in Chemnitz, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Chemnitz?
- Lithium-Batterie leads with 7 storage units and 126.5 MW in Chemnitz (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Chemnitz?
- The largest registered storage unit in Chemnitz has 55.0 MW of gross capacity and is operated by Batteriespeicher ROE GmbH ＆ Co. KG, registered as planned (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Chemnitz distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 3,885 | 20.0 MW | 3,810 | 51 |
| 30 to 100 kW | 12 | 0.74 MW | 9 | 3 |
| over 100 kW | 7 | 126.5 MW | 5 | 2 |
How much battery storage capacity was commissioned in Chemnitz each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 727 | 3.17 MW |
| 2025 | 702 | 3.83 MW |
| 2024 | 745 | 4.44 MW |
| 2023 | 857 | 5.22 MW |
| 2022 | 330 | 1.75 MW |
| 2021 | 193 | 1.23 MW |
| 2020 | 125 | 0.61 MW |
| 2019 | 61 | 0.26 MW |
| 2018 | 36 | 0.15 MW |
| 2017 | 32 | 15.9 MW |
| 2016 | 13 | 0.05 MW |
| 2015 | 12 | 0.04 MW |
| 2014 | 10 | 0.04 MW |
| 2013 | 4 | 0.02 MW |
How many storage units in Chemnitz are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| planned | 56 | 110.5 MW |
| in operation | 3,824 | 36.6 MW |
| permanently decommissioned | 24 | 0.06 MW |
Which storage units over 100 kW are registered in Chemnitz?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| ROE II | 55.0 MW | 2,200.0 MWh | planned | planned 2027 | Batteriespeicher ROE GmbH ＆ Co. KG |
| ROE I | 55.0 MW | 220.0 MWh | planned | planned 2027 | Batteriespeicher ROE GmbH ＆ Co. KG |
| Batteriespeicher Chemnitz GmbH ＆ Co. KG | 15.8 MW | 15.9 MWh | in operation | 2017-04-24 | Batteriespeicher Chemnitz GmbH ＆ Co. KG |
| Batteriespeicher Railbeton | 0.20 MW | 387 kWh | in operation | 2025-05-16 | RAILBETON HAAS GmbH |
| PVA Batterie KleiO | 0.18 MW | 500 kWh | in operation | 2024-03-28 | GZ Outsourcing + Management GmbH & Co. KG |
| BAT_TKI19 | 0.15 MW | 304 kWh | in operation | 2021-11-24 | Tele-Kabel-Ingenieurgesellschaft mbH |
| unit operated by a private individual | 0.12 MW | 261 kWh | in operation | 2025-11-21 | private individual |
Which organisations operate the most battery storage capacity in Chemnitz?
| Operator | Units | Capacity |
|---|---|---|
| Batteriespeicher ROE GmbH ＆ Co. KG | 2 | 110.0 MW |
| Batteriespeicher Chemnitz GmbH ＆ Co. KG | 1 | 15.8 MW |
| RAILBETON HAAS GmbH | 1 | 0.20 MW |
| GZ Outsourcing + Management GmbH & Co. KG | 1 | 0.18 MW |
| Tele-Kabel-Ingenieurgesellschaft mbH | 1 | 0.15 MW |
Which technology accounts for the most battery storage capacity in Chemnitz?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 7 | 126.5 MW |
Battery storage in Sachsen · 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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