Germany · renewables
Battery storage in Gießen
8,138 storage units with 53.5 MW of gross capacity were in operation in Gießen (Hessen) as of 2026-11-05, with a further 98 units (13.3 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 Gießen (Hessen), and how large are they, as of 2026-11-05?
- 8,138 storage units with 53.5 MW of gross capacity were in operation in Gießen (Hessen) as of 2026-11-05, with a further 98 units (13.3 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 Gießen?
- 8,138 storage units with 53.5 MW of gross capacity were in operation in Gießen as of 2026-11-05, with a further 98 units (13.3 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Gießen in 2025?
- 1,711 storage units with 10.4 MW went into operation in Gießen in 2025; the strongest year of the last two decades was 2024 with 11.8 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Gießen's storage units are larger than 100 kW?
- 4 of 8,284 registered storage units in Gießen (0.0 percent) exceed 100 kW, but they hold 17.1 MW of the 67.1 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Gießen?
- Stadtwerke Gießen AG operates 1 storage units over 100 kW with 12.6 MW in Gießen, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Gießen?
- Lithium-Batterie leads with 4 storage units and 17.1 MW in Gießen (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Gießen?
- The largest registered storage unit in Gießen has 12.6 MW of gross capacity and is operated by Stadtwerke Gießen AG, registered as planned (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Gießen distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 8,266 | 49.1 MW | 8,122 | 97 |
| 30 to 100 kW | 14 | 0.89 MW | 14 | 0 |
| over 100 kW | 4 | 17.1 MW | 2 | 1 |
How much battery storage capacity was commissioned in Gießen each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 1,735 | 9.68 MW |
| 2025 | 1,711 | 10.4 MW |
| 2024 | 1,849 | 11.8 MW |
| 2023 | 1,449 | 9.30 MW |
| 2022 | 595 | 3.64 MW |
| 2021 | 380 | 6.38 MW |
| 2020 | 203 | 1.22 MW |
| 2019 | 98 | 0.54 MW |
| 2018 | 51 | 0.31 MW |
| 2017 | 45 | 0.17 MW |
| 2016 | 18 | 0.07 MW |
| 2015 | 29 | 0.15 MW |
| 2014 | 15 | 0.06 MW |
| 2013 | 7 | 0.04 MW |
| 2011 | 1 | 0.00 MW |
How many storage units in Gießen are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 8,138 | 53.5 MW |
| planned | 98 | 13.3 MW |
| permanently decommissioned | 44 | 0.27 MW |
| temporarily shut down | 4 | 0.01 MW |
Which storage units over 100 kW are registered in Gießen?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| SWG_Li-Ion-01 | 12.6 MW | 25.5 MWh | planned | planned 2027 | Stadtwerke Gießen AG |
| Hh-Batteriespeicher_Werk_Ost_4200 | 4.20 MW | 4.2 MWh | in operation | 2021-01-01 | Schunk Dienstleistungsgesellschaft mbH |
| unit operated by a private individual | 0.14 MW | 144 kWh | permanently decommissioned | 2020-01-01 | private individual |
| Glaswerke Wolff＆Meier | 0.12 MW | 255 kWh | in operation | 2026-05-22 | Glaswerke Wolff+Meier GmbH ＆ Co. KG |
Which organisations operate the most battery storage capacity in Gießen?
| Operator | Units | Capacity |
|---|---|---|
| Stadtwerke Gießen AG | 1 | 12.6 MW |
| Schunk Dienstleistungsgesellschaft mbH | 1 | 4.20 MW |
| Glaswerke Wolff+Meier GmbH ＆ Co. KG | 1 | 0.12 MW |
Which technology accounts for the most battery storage capacity in Gießen?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 4 | 17.1 MW |
Battery storage in Hessen · 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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