Batteriespeicher Emsland
45 MW, 45 MWh (1 hours) in Lingen (Ems), Niedersachsen, registered as operating since 14 December 2022. Everything on this page is read from Germany’s register of power units and the other published records named beside each fact.
What it is
The register holds this battery as one unit.
| Unit | Register number | MW | MWh | Commissioned | Battery | Grid operator check |
|---|---|---|---|---|---|---|
| Batteriespeicher Emsland | SEE905843309764 | 45 | 45 | 14 December 2022 | Lithium | under check |
Power is the net power the operator registered, the most the unit may feed into the grid. Energy is the usable capacity of the unit’s installation. A grid operator check marked “checked” means the grid company has confirmed the entry; “under check” means it has not yet. On the large sites we compared, the register’s commissioning date often came months before the owner’s announced start, which suggests it records first energisation.
Who runs it and who owns it
| Operator in the register | Commercial register entry, as the operator gave it | Seat |
|---|---|---|
| RWE Supply ＆ Trading GmbH | Amtsgericht Essen HRB 14327 | Essen, Nordrhein-Westfalen |
Owner. RWE AG, Essen. From the owner’s own publication. Evidence: RWE project page, undated: "RWE betreibt einen der größten und innovativsten Batteriespeicher Deutschlands.". Checked 16 October 2026. Every battery of this family.
The register names the operator, the company that runs the unit. The owner behind it comes from the commercial register (Handelsregister) or the owner’s own publication, as marked. The register number is the one the operator typed in; on 11 October 2026 we found it wrong or missing for 26 of the companies we looked up.
Who trades it and what it is built from
| Owner, as published | RWE; part of RWE's 117 MW Lingen plus Werne battery system RWE project page |
| Built by | RWE itself pv magazine Deutschland, 9 January 2023 |
| Battery system | SMA supplied the battery inverters (47 units for 420 lithium-ion racks across Lingen and Werne); battery maker not named pv magazine Deutschland, 22 November 2021 |
| Power, as the owner gives it | 45 MW RWE project page |
| Energy, as the owner gives it | 49 (register says 45 MWh) pv magazine Deutschland, 9 January 2023 |
| In operation, as the owner gives it | In trial operation on 2023-01-09, commercial operation expected within days pv magazine Deutschland, 9 January 2023 |
| Also published | Battery is virtually coupled with RWE run-of-river hydro plants on the Mosel; Lingen plus Werne investment about EUR 50 million RWE project page |
From published documents: the owners’, builders’ and optimisers’ own announcements and the trade press, each linked. Where the owner’s power or energy differs from the register’s, both are shown and every figure on this site uses the register’s.
Where it connects
| Grid company | Westnetz GmbH |
| Connected at | high voltage (110 kV) |
| Municipality | Lingen (Ems), district of Emsland |
| State | Niedersachsen |
| Registered position | 52.4803, 7.3053 |
| Register location | SEL931153592695 |
As registered. The grid company and voltage come from the register’s public unit table; the position is the one the operator registered. See it on the Atlas.
What has changed in the register
First registered on 6 January 2023; last changed in the register on 3 April 2023. No change has shown in our reads since the first, on 10 October 2026.
What this page cannot show
Germany publishes no battery’s metered output. On 11 October 2026 we checked the four public sources that might carry it: the ENTSO-E Transparency Platform, SMARD, the yearly EEG data and the transmission companies’ redispatch records. None gives the output of any German battery, one by one or as a fleet. So this page cannot say what the battery exported, imported or earned, as Britain’s battery pages do.
Sources: Marktstammdatenregister, Bundesnetzagentur, Datenlizenz Deutschland, Namensnennung 2.0: the full export of 15 October 2026 and the public unit table of 15 October 2026. Company details from the register’s market actor table. Owners from the commercial register and the owners’ publications, as marked. Tender awards from the Bundesnetzagentur’s award lists.