Substation · United Kingdom
Mill Hill Substation
Operator National Grid
In service (mapped)Data checked 12 November 2026
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Mill Hill Substation is a substation on the edge of Totteridge, Barnet, United Kingdom. Its status in the OpenStreetMap is in service (mapped). There are 63 other energy sites within 10 km, 3 of them grid sites. The register holds no incident at this site. It holds 118 incidents at grid sites in the United Kingdom, and 1232 worldwide.
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The site
- Technology
- Substation (275 kV substation)
- Status
- In service (mapped) (Mapped as a substation in OpenStreetMap with no disused, construction or proposed tag)
- Operator
- National Grid
- Location
- Barnet, United Kingdom
View on OpenStreetMap. The larger dot is this site; the others are sites within 40 km.
Incidents on the register at this site
None found. The register holds no published incident that names Mill Hill Substation. If you know of one, report it (confidential reports are anonymised).
Own, insure or lend to this site or others like it? A portfolio safety record checks every site in a list against the register, free; the paid records add the site, operator, cause, downtime and loss behind each incident.
Questions
- Has Mill Hill Substation had a fire or other incident?
- None is on the register as of 13 November 2026. The register holds no published incident that names Mill Hill Substation; it holds 118 incidents at grid sites in the United Kingdom.
- What is the status of Mill Hill Substation?
- In service (mapped), in the OpenStreetMap.
- Where is Mill Hill Substation?
- On the edge of Totteridge, Barnet, United Kingdom.
Source: OpenStreetMap contributors, licensed under the Open Database Licence (ODbL), openstreetmap.org/copyright. The dataset. The register adds only the incidents and the counts. Nearest town: GeoNames (CC BY 4.0).