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Sites near grid capacity in Three Rivers

6 candidate sites within 2 km of a primary or bulk supply substation with headroom in Three Rivers, England, ranked by site score. The highest-scoring is the 105 ha site near Harefield Primary substation, Three Rivers, 0.59 km from a substation with 0 MVA of demand headroom, at 51 of 100.

Sites ranked by score

All 6 ranked sites in Three Rivers, scored on area, distance to the substation and its demand headroom. How the site score works in the United Kingdom · Filter these sites

#	Site	Substation	Area	To substation	Generation headroom	Score
1	105 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	105 ha	0.59 km	14.9 MW	51
2	40 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	40 ha	0.41 km	14.9 MW	34
3	52 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	52 ha	1.06 km	14.9 MW	28
4	44 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	44 ha	0.94 km	14.9 MW	28
5	78 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	78 ha	1.75 km	14.9 MW	26
6	37 ha site near Harefield Primary substation, Three Rivers	Harefield Primary	37 ha	1.98 km	14.9 MW	10

Owners and grid capacity for these sites.For the 6 sites in Three Rivers: who owns each one, the free capacity at its substation and its planning status, on request.

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This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. HM Land Registry INSPIRE Index Polygons, Open Government Licence v3.0.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026. ONS Open Geography: Local Authority Districts, Open Government Licence v3.0.
Rare Context. Rare Context powered-land sites, ODbL 1.0.
SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.