Germany · renewables
Battery storage in Passau
12,756 storage units with 117.4 MW of gross capacity were in operation in Passau (Bayern) as of 2026-11-05, with a further 62 units (12.9 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 Passau (Bayern), and how large are they, as of 2026-11-05?
- 12,756 storage units with 117.4 MW of gross capacity were in operation in Passau (Bayern) as of 2026-11-05, with a further 62 units (12.9 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 Passau?
- 12,756 storage units with 117.4 MW of gross capacity were in operation in Passau as of 2026-11-05, with a further 62 units (12.9 MW) registered as planned; the count includes every registered unit down to home batteries (Bundesnetzagentur, Marktstammdatenregister).
- How much battery storage capacity was commissioned in Passau in 2025?
- 2,203 storage units with 22.9 MW went into operation in Passau in 2025; the strongest year of the last two decades was 2024 with 25.3 MW (Bundesnetzagentur, Marktstammdatenregister).
- What share of Passau's storage units are larger than 100 kW?
- 24 of 12,883 registered storage units in Passau (0.2 percent) exceed 100 kW, but they hold 43.0 MW of the 130.6 MW total capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which company operates the most battery storage capacity in Passau?
- trlyr2 GmbH operates 1 storage units over 100 kW with 10.0 MW in Passau, the largest organisational operator by registered capacity (Bundesnetzagentur, Marktstammdatenregister).
- Which technology has the most battery storage capacity in Passau?
- Lithium-Batterie leads with 20 storage units and 38.0 MW in Passau (Bundesnetzagentur, Marktstammdatenregister).
- What is the largest storage unit in Passau?
- The largest registered storage unit in Passau has 10.0 MW of gross capacity and is operated by trlyr2 GmbH, commissioned 2024-12-10 (Bundesnetzagentur, Marktstammdatenregister).
How are the storage units in Passau distributed by size class?
| Size class | Units | Capacity | In operation | Planned |
|---|---|---|---|---|
| up to 30 kW | 12,817 | 85.1 MW | 12,694 | 58 |
| 30 to 100 kW | 42 | 2.46 MW | 42 | 0 |
| over 100 kW | 24 | 43.0 MW | 20 | 4 |
How much battery storage capacity was commissioned in Passau each year?
| Commissioning year | Units | Capacity added |
|---|---|---|
| 2026 | 2,027 | 27.9 MW |
| 2025 | 2,203 | 22.9 MW |
| 2024 | 2,135 | 25.3 MW |
| 2023 | 2,466 | 19.0 MW |
| 2022 | 1,429 | 10.1 MW |
| 2021 | 980 | 5.12 MW |
| 2020 | 655 | 3.15 MW |
| 2019 | 294 | 1.27 MW |
| 2018 | 211 | 0.93 MW |
| 2017 | 140 | 0.63 MW |
| 2016 | 129 | 0.62 MW |
| 2015 | 83 | 0.36 MW |
| 2014 | 34 | 0.17 MW |
| 2013 | 19 | 0.09 MW |
| 2012 | 4 | 0.03 MW |
| 2011 | 4 | 0.02 MW |
| 2010 | 2 | 0.02 MW |
| 2009 | 2 | 0.05 MW |
How many storage units in Passau are in operation, planned or decommissioned?
| Status | Units | Capacity |
|---|---|---|
| in operation | 12,756 | 117.4 MW |
| planned | 62 | 12.9 MW |
| permanently decommissioned | 56 | 0.23 MW |
| temporarily shut down | 9 | 0.03 MW |
Which storage units over 100 kW are registered in Passau?
| Unit | Capacity | Usable capacity | Status | Commissioned | Operator |
|---|---|---|---|---|---|
| trlyr 2 | 10.0 MW | 22.4 MWh | in operation | 2024-12-10 | trlyr2 GmbH |
| Batteriespeicher-Buch | 5.04 MW | 8.9 MWh | in operation | 2026-07-24 | Solarpark Buch Süd GmbH Valentin Weber |
| BESS Hauzenberg | 4.47 MW | 13.4 MWh | planned | planned 2027 | UNENDLICH ENERGIE |
| Batteriespeicher | 3.20 MW | 3.3 MWh | in operation | 2025-09-05 | Brummer Logistik GmbH |
| Energiepark Petzenberg Batteriespeicher | 3.10 MW | 3.1 MWh | planned | planned 2027 | Bayernwerk Natur GmbH |
| SP Petzenberg Speicher | 2.60 MW | 5.2 MWh | planned | planned 2026 | EnValue Solarpark 43 GmbH ＆ Co. KG |
| BESS Kelchham 1 | 2.50 MW | 5.2 MWh | in operation | 2025-01-07 | EK Power GmbH ＆ Co. KG |
| Speicher PVA Haitzing | 2.24 MW | 4.5 MWh | planned | planned 2026 | FIMA Projekt GmbH |
| Batteriespeicher Böhmreut | 2.03 MW | 4.1 MWh | in operation | 2026-01-23 | Bauer Solarpark GmbH ＆ Co. KG |
| Fenecon Graustromspeicher | 1.50 MW | 3.7 MWh | in operation | 2026-07-23 | sem-pur GmbH |
| Jelba Speicher | 1.00 MW | 2.0 MWh | in operation | 2026-03-10 | JELBA Werkzeug- und Maschinenbau GmbH ＆ Co. KG |
| B1 Optimierung | 0.78 MW | 1.3 MWh | in operation | 2023-11-29 | Maier＆Korduletsch Tankstellen GmbH |
| B2 Vermarktung | 0.78 MW | 1.3 MWh | in operation | 2023-11-29 | Maier＆Korduletsch Tankstellen GmbH |
| Stromspeicher Uni Passau Campus 2574,75 kWp | 0.70 MW | 704 kWh | in operation | 2026-03-19 | Universität Passau |
| unit operated by a private individual | 0.55 MW | 984 kWh | in operation | 2022-05-05 | private individual |
| Salzweg - Netto Passauer Straße | 0.44 MW | 436 kWh | in operation | 2026-08-20 | Electra Germany GmbH |
| GK_Spitzenlast_Li-Ionen | 0.40 MW | 554 kWh | in operation | 2022-06-23 | Graphit Kropfmühl GmbH |
| unit operated by a private individual | 0.40 MW | 1.0 MWh | in operation | 2025-07-04 | private individual |
| GK_Spitzenlast_VFRB | 0.35 MW | 1.5 MWh | in operation | 2022-11-28 | Graphit Kropfmühl GmbH |
| unit operated by a private individual | 0.30 MW | 600 kWh | in operation | 2025-07-04 | private individual |
| Stromspeicher Otterskirchen | 0.21 MW | 210 kWh | in operation | 2025-07-29 | Alfred Angerer |
| Stromspeicher Gymnasium Pocking | 0.12 MW | 245 kWh | in operation | 2025-11-20 | Landkreis Passau Photovoltaikanlagen |
| Speicher Vilshofen | 0.12 MW | 510 kWh | in operation | 2026-08-06 | Dach 2 GmbH |
| HalleWestMasch | 0.12 MW | 113 kWh | in operation | 2026-07-29 | DeuFa Fallenproduktions- und Vertriebs GmbH |
Which organisations operate the most battery storage capacity in Passau?
| Operator | Units | Capacity |
|---|---|---|
| trlyr2 GmbH | 1 | 10.0 MW |
| Solarpark Buch Süd GmbH Valentin Weber | 1 | 5.04 MW |
| UNENDLICH ENERGIE | 1 | 4.47 MW |
| Brummer Logistik GmbH | 1 | 3.20 MW |
| Bayernwerk Natur GmbH | 1 | 3.10 MW |
| EnValue Solarpark 43 GmbH ＆ Co. KG | 1 | 2.60 MW |
| EK Power GmbH ＆ Co. KG | 1 | 2.50 MW |
| FIMA Projekt GmbH | 1 | 2.24 MW |
| Bauer Solarpark GmbH ＆ Co. KG | 1 | 2.03 MW |
| Maier＆Korduletsch Tankstellen GmbH | 2 | 1.56 MW |
Which technology accounts for the most battery storage capacity in Passau?
| Technology | Units | Capacity |
|---|---|---|
| Lithium-Batterie | 20 | 38.0 MW |
| Sonstige Batterie | 2 | 1.56 MW |
| Redox-Flow-Batterie | 1 | 0.35 MW |
Battery storage in Bayern · 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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