Substation · Hannover, Lower Saxony, Germany

Umspannwerk Ahlten (Ahlten substation)

Umspannwerk Ahlten is a 220 kV substation in Hannover, Lower Saxony, Germany, connected by enercity Netz GmbH and TenneT TSO GmbH.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Location	Lower Saxony	OpenStreetMap power infrastructure (Overpass) · record · ODbL 1.0, © OpenStreetMap contributors · checked 24 Oct 2026 Netzentwicklungsplan Strom: digital project library · CC BY 4.0 · checked 24 Oct 2026
Location	Hannover (point in boundary)	BKG Verwaltungsgebiete 1:250 000 (VG250) · DL-DE-BY-2.0 · checked 25 Oct 2026
Grid operator	enercity Netz GmbH	OpenStreetMap power infrastructure (Overpass) · record · ODbL 1.0, © OpenStreetMap contributors · checked 24 Oct 2026
Grid operator	TenneT TSO GmbH	Netzentwicklungsplan Strom: digital project library · CC BY 4.0 · checked 24 Oct 2026
Planned reinforcement	380 kV shunt reactor (1x) (due 2028, transmission network, NEP measure M591h6, project TTG-018, start grid (approved or under way), confirmed by the previous plan)	Netzentwicklungsplan Strom: digital project library · CC BY 4.0 · checked 24 Oct 2026
Voltage	220 kV (levels 220, 110 kV)	OpenStreetMap power infrastructure (Overpass) · record · ODbL 1.0, © OpenStreetMap contributors · checked 24 Oct 2026
Voltage	380 kV	Netzentwicklungsplan Strom: digital project library · CC BY 4.0 · checked 24 Oct 2026
Coordinates	52.3608, 9.8955	OpenStreetMap power infrastructure (Overpass) · record · ODbL 1.0, © OpenStreetMap contributors · checked 24 Oct 2026

Research on this substation and the land around it.Its headroom, connection queue and congestion, who owns the land around it, and an introduction to those owners.

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Also recorded as

2 sources record Umspannwerk Ahlten; this page joins their facts, each with its own source. Links to any of the records lead here. How records are matched.

Name in the source	Identifier	Source	Matched on
Umspannwerk Ahlten	asset:osm:way-787265962	OpenStreetMap power infrastructure (Overpass)	—
Ahlten substation	asset:nep:ahlten	Netzentwicklungsplan Strom: point measures (Punktmaßnahmen)	Same name and Land

Nearby

Within 50 km of this substation: 101 power plants (68 operating, 1,797 MW), 10 data centers and 8 CO2 emitters (9,141,548 tCO2e), measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.

Name	Kind	Size	Status	Distance
Werk Höver	CO2 emitter	482,790 tCO2e	—	1.1 km
Grass-Merkur GmbH & Co. KG data center, Hannover	Data center	—	—	2.3 km
Batteriespeicher (Hannover)	Power plant	22.4 MW	Planned	2.7 km
enercity Solarpark Lehrte Ahlten PV2	Power plant	17.2 MW	Operating	2.9 km
enercity BESS Lehrte-Ahlten 1	Power plant	44.8 MW	Planned	3.4 km
Avacon AG Data Center Sehnde	Data center	—	—	7.5 km
euNetworks Colocation Hannover	Data center	—	—	9.5 km
Heizkraftwerk Linden	CO2 emitter	234,062 tCO2e	—	12 km
GKH - Gemeinschaftskraftwerk Hannover GmbH	CO2 emitter	1,053,493 tCO2e	—	18 km

Grid operators and place

Other substations in Lower Saxony

All 654 substations in Lower Saxony, Germany

Data on this page

© BKG (2026) dl-de/by-2-0, Datenquellen: https://sg.geodatenzentrum.de/web_public/gdz/datenquellen/datenquellen_vg_nuts.pdf. BKG Verwaltungsgebiete 1:250 000 (VG250), DL-DE-BY-2.0.
European Commission, Union Registry. EU Union Registry public data, CC BY 4.0.
Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
Netzentwicklungsplan Strom: point measures (Punktmaßnahmen). Netzentwicklungsplan Strom: point measures (Punktmaßnahmen), Restricted.
Netzentwicklungsplan Strom 2037/2045 (2025), zweiter Entwurf | Übertragungsnetzbetreiber (M) CC-BY-4.0. Netzentwicklungsplan Strom: digital project library, CC BY 4.0.
OpenStreetMap power infrastructure (Overpass). OpenStreetMap power infrastructure (Overpass), ODbL 1.0, © OpenStreetMap contributors.