Substation · the United Kingdom

Knowsley T1 / Marled HEY T1 Substation

Name: Knowsley T1 / Marled HEY T1
Address: GB

Knowsley T1 / Marled HEY T1 Substation is a 33 kV primary substation in the United Kingdom, with 5.54 MVA of demand headroom and 2.12 MVA of generation headroom, operated by SP Manweb plc (SP Energy Networks, North Wales, Merseyside and Cheshire licence area).

53.4366, -2.8731 on OpenStreetMap

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
Name in the source	KNOWSLEY T1 / MARLED HEY T1	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Location	United Kingdom	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Grid operator	SP Manweb plc (SP Energy Networks, North Wales, Merseyside and Cheshire licence area)	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Demand headroom	5.54 MVA	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Generation headroom	2.12 MVA	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Firm capacity	10 MVA	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Level	Primary substation	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Voltage	33 kV (levels 33, 11 kV)	SP Energy Networks open data portal · CC BY 4.0 · checked 25 Oct 2026
Coordinates	53.4366, -2.8731	SP Energy Networks open data portal · CC BY 4.0 · checked 25 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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Nearby

Within 50 km of this substation: 458 grid connections (291 operating, 3,172 MW), 386 power plants (117 operating, 5,422 MW), 17 data centers, 3 gas storage facilities and 1 transmission line, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.

Name	Kind	Size	Status	Distance
Alder Hey grid connection	Grid connection	2 MW	Operating	2.3 km
Larkins Farm, Gellings Lane - Solar Farm	Power plant	1.5 MW	Cancelled	2.9 km
New Broadgreen Hospital grid connection	Grid connection	1.5 MW	Operating	3.2 km
Knowsley ERF	Power plant	8 MW	Cancelled	3.3 km
D H L Exel Supply Chain Burton Foods, Portal Way - Solar Panels	Power plant	1 MW	Planned	3.4 km
Fazakerley - United Utilities W W T W grid connection	Grid connection	1.5 MW	Operating	3.7 km
nLighten Edge Data Centre Liverpool	Data center	—	—	12 km
The Babbage Centre	Data center	—	—	16 km
Data center, England (OSM way 1551100328)	Data center	—	—	16 km

Grid operator and place

Candidate sites around this substation

4 sites of land near Knowsley T1 / Marled HEY T1 have it as nearest substation. Each site page gives its area, its distance to the substation and its site score; owners are on request.

2.06 ha brownfield site at The Withens, Stockbridge Village, Knowsley0.68 km · score 25
1.35 ha brownfield site at Denecliff & Merecliff Apartment Blocks, Pool Hey, Stockbridge Village, Knowsley0.92 km · score 22
5.4 ha brownfield site at Little Moss Hey, Stockbridge, Huyton, Knowsley0.99 km · score 21
1.19 ha brownfield site at Former St. Clems Croxteth Lane, Stockbridge, Huyton, Knowsley1.0 km · score 21

Other substations in the United Kingdom

All 4347 substations in the United Kingdom

Data on this page

Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
SP Energy Networks, via Northern Powergrid Open Data. SP Energy Networks open data portal, CC BY 4.0.