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Sites near grid capacity in Windsor and Maidenhead

66 candidate sites within 2 km of a primary or bulk supply substation with headroom in Windsor and Maidenhead, England, ranked by site score. The highest-scoring is the 86 ha site near Ascot Primary substation, Windsor and Maidenhead, 0.04 km from a substation with 17.8 MVA of demand headroom, at 72 of 100.

Sites ranked by score

All 66 ranked sites in Windsor and Maidenhead, 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	Demand headroom	Generation headroom	Score
1	86 ha site near Ascot Primary substation, Windsor and Maidenhead	Ascot Primary	86 ha	0.04 km	17.8 MVA	0 MW	72
2	89 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	89 ha	0.08 km	4.63 MVA	0 MW	59
3	79 ha site near Maidenhead Primary substation, Windsor and Maidenhead	Maidenhead Primary	79 ha	0.87 km	18.4 MVA	0 MW	58
4	87 ha site near Sunninghill Primary substation, Windsor and Maidenhead	Sunninghill Primary	87 ha	0.87 km	12 MVA	0 MW	53
5	55 ha site near Maidenhead BSP substation, Windsor and Maidenhead	Maidenhead BSP	55 ha	1.07 km	23.2 MVA	0 MW	52
6	74 ha site near Maidenhead Primary substation, Windsor and Maidenhead	Maidenhead Primary	74 ha	1.19 km	18.4 MVA	0 MW	51
7	28 ha site near Maidenhead BSP substation, Windsor and Maidenhead	Maidenhead BSP	28 ha	0.64 km	23.2 MVA	0 MW	51
8	89 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	89 ha	0.46 km	1.89 MVA	0 MW	50
9	53 ha site near Braywick Road Primary substation, Windsor and Maidenhead	Braywick Road Primary	53 ha	0.12 km	7.51 MVA	0 MW	50
10	39 ha site near Maidenhead BSP substation, Windsor and Maidenhead	Maidenhead BSP	39 ha	0.9 km	23.2 MVA	0 MW	50
11	31 ha site near Maidenhead Primary substation, Windsor and Maidenhead	Maidenhead Primary	31 ha	0.47 km	18.4 MVA	0 MW	49
12	74 ha site near Knowl Hill Primary substation, Windsor and Maidenhead (INSPIRE polygon 31390620)	Knowl Hill Primary	74 ha	0.52 km	4.63 MVA	0 MW	48
13	49 ha site near Causeway Primary substation, Windsor and Maidenhead	Causeway Primary	49 ha	1.36 km	24.6 MVA	0 MW	47
14	212 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	212 ha	1.22 km	4.63 MVA	0 MW	46
15	35 ha site near Causeway Primary substation, Windsor and Maidenhead	Causeway Primary	35 ha	1.23 km	24.6 MVA	0 MW	45
16	30 ha site near Maidenhead BSP substation, Windsor and Maidenhead	Maidenhead BSP	30 ha	1.01 km	23.2 MVA	0 MW	45
17	55 ha site near Ascot Primary substation, Windsor and Maidenhead	Ascot Primary	55 ha	1.26 km	17.8 MVA	0 MW	44
18	2,648 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	2,648 ha	1.15 km	0 MVA	43.8 MW	43
19	95 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	95 ha	1.24 km	4.63 MVA	0 MW	43
20	66 ha site near Maidenhead Primary substation, Windsor and Maidenhead	Maidenhead Primary	66 ha	1.58 km	18.4 MVA	0 MW	43
21	56 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	56 ha	0.4 km	1.89 MVA	0 MW	41
22	189 ha site near Sutton Lane Primary substation, Windsor and Maidenhead	Sutton Lane Primary	189 ha	1.41 km	0 MVA	22.1 MW	39
23	28 ha site near Knowl Hill Primary substation, Windsor and Maidenhead (INSPIRE polygon 31312602)	Knowl Hill Primary	28 ha	0.19 km	4.63 MVA	0 MW	39
24	61 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	61 ha	0.58 km	0 MVA	43.8 MW	38
25	64 ha site near Egham Primary substation, Windsor and Maidenhead	Egham Primary	64 ha	1.06 km	5.5 MVA	0 MW	37
26	72 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	72 ha	1.29 km	4.63 MVA	0 MW	35
27	68 ha site near Longford BSP substation, Windsor and Maidenhead	Longford BSP	68 ha	0.92 km	0 MVA	48.4 MW	35
28	141 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	141 ha	1.84 km	1.89 MVA	0 MW	34
29	97 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	97 ha	1.56 km	0 MVA	43.8 MW	34
30	34 ha site near Braywick Road Primary substation, Windsor and Maidenhead	Braywick Road Primary	34 ha	0.82 km	7.51 MVA	0 MW	34
31	30 ha site near Maidenhead Primary substation, Windsor and Maidenhead	Maidenhead Primary	30 ha	1.45 km	18.4 MVA	0 MW	34
32	100 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	100 ha	1.67 km	0 MVA	43.8 MW	33
33	74 ha site near Knowl Hill Primary substation, Windsor and Maidenhead (INSPIRE polygon 60942233)	Knowl Hill Primary	74 ha	1.48 km	4.63 MVA	0 MW	33
34	40 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	40 ha	0.78 km	4.63 MVA	0 MW	33
35	67 ha site near Poyle Primary substation, Windsor and Maidenhead	Poyle Primary	67 ha	1.19 km	0 MVA	33.5 MW	31
36	43 ha site near Ascot Primary substation, Windsor and Maidenhead	Ascot Primary	43 ha	1.85 km	17.8 MVA	0 MW	31
37	36 ha site near Chalvey BSP substation, Windsor and Maidenhead	Chalvey BSP	36 ha	0.54 km	0 MVA	88 MW	31
38	29 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	29 ha	0.72 km	4.63 MVA	0 MW	31
39	55 ha site near Upton Primary substation, Windsor and Maidenhead	Upton Primary	55 ha	0.99 km	0 MVA	28.3 MW	30
40	44 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	44 ha	1.24 km	6.48 MVA	0 MW	29
41	42 ha site near Chalvey BSP substation, Windsor and Maidenhead	Chalvey BSP	42 ha	0.82 km	0 MVA	88 MW	29
42	76 ha site near Chalvey BSP substation, Windsor and Maidenhead	Chalvey BSP	76 ha	1.57 km	0 MVA	88 MW	28
43	54 ha site near Sunninghill Primary substation, Windsor and Maidenhead	Sunninghill Primary	54 ha	1.9 km	12 MVA	0 MW	28
44	38 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	38 ha	1.12 km	4.63 MVA	0 MW	28
45	57 ha site near Poyle Primary substation, Windsor and Maidenhead	Poyle Primary	57 ha	1.34 km	0 MVA	33.5 MW	26
46	54 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	54 ha	1.35 km	1.89 MVA	0 MW	26
47	43 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	43 ha	1.14 km	1.89 MVA	0 MW	26
48	42 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	42 ha	1.1 km	1.89 MVA	0 MW	26
49	41 ha site near Sutton Lane Primary substation, Windsor and Maidenhead	Sutton Lane Primary	41 ha	1.09 km	0 MVA	22.1 MW	24
50	72 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	72 ha	1.82 km	0 MVA	43.8 MW	23
51	39 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	39 ha	1.59 km	6.48 MVA	0 MW	23
52	33 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	33 ha	1.3 km	4.63 MVA	0 MW	23
53	28 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	28 ha	1.09 km	1.89 MVA	0 MW	23
54	58 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	58 ha	1.75 km	1.89 MVA	0 MW	22
55	53 ha site near Sutton Lane Primary substation, Windsor and Maidenhead	Sutton Lane Primary	53 ha	1.46 km	0 MVA	22.1 MW	22
56	46 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	46 ha	1.55 km	1.89 MVA	0 MW	21
57	31 ha site near Clarence Road Primary substation, Windsor and Maidenhead	Clarence Road Primary	31 ha	1.1 km	0 MVA	43.8 MW	21
58	31 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	31 ha	1.65 km	6.48 MVA	0 MW	20
59	28 ha site near Knowl Hill Primary substation, Windsor and Maidenhead (INSPIRE polygon 31401259)	Knowl Hill Primary	28 ha	1.45 km	4.63 MVA	0 MW	20
60	37 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	37 ha	1.8 km	6.48 MVA	0 MW	19
61	30 ha site near Temple Farm Primary substation, Windsor and Maidenhead	Temple Farm Primary	30 ha	1.35 km	1.89 MVA	0 MW	19
62	29 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	29 ha	1.63 km	6.48 MVA	0 MW	19
63	28 ha site near Cordwallis Primary substation, Windsor and Maidenhead	Cordwallis Primary	28 ha	1.66 km	6.48 MVA	0 MW	19
64	46 ha site near Knowl Hill Primary substation, Windsor and Maidenhead	Knowl Hill Primary	46 ha	1.93 km	4.63 MVA	0 MW	18
65	27 ha site near Upton Primary substation, Windsor and Maidenhead	Upton Primary	27 ha	1.26 km	0 MVA	28.3 MW	18
66	42 ha site near Upton Primary substation, Windsor and Maidenhead	Upton Primary	42 ha	1.83 km	0 MVA	28.3 MW	14

Owners and grid capacity for these sites.For the 66 sites in Windsor and Maidenhead: who owns each one, the free capacity at its substation and its planning status, on request.

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Data on this page

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.