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Solar panels for farms in Wokingham

Most holdings around Wokingham already own the best generating site they will ever have, and it is the roof of the shed they built for something else. Each survey records the sheet type and condition, the usable area once rooflights and vents come out, and whether the supply is single or three phase.

898 kWh per kWp a year at this latitude, so a 500 kWp array models at about 449,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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96 m phase 1
Drawing Wokingham unit
Roof 96 x 62 m
Array 500 kWp
Yield 449,000 kWh/yr
Scale 1:500 / Rev A / RG40

Illustrative layout for a unit of this size. Your own figures come from the roof survey.

Wokingham / Berkshire
South East farmland with solar arrays on farm buildings
Industrial stock of the kind we survey across South East.

Farm building solar PV across Berkshire

What a farm roof near Wokingham generates

Modelled irradiation at this latitude is 1153 kWh per square metre a year in the plane of a shallow-pitched roof, which works out at 898 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That sits within a few percent of the mean across the areas we cover, so what decides the scheme is your own demand pattern rather than the latitude.

The planning record lists 1 ground mounted solar scheme in this postcode district, which is a fair guide to how the local network has treated field arrays. The typical consented scheme in this district is about 33 MW. Source: Renewable Energy Planning Database, Q1 2026.

1 roof mounted scheme is on record nearby. Roof arrays under a megawatt frequently never reach that database at all, so the real number of farm roofs generating around Wokingham is higher than the record shows.

We survey holdings across the RG postcode area, starting from RG40.

Wokingham is the planning authority for most holdings here, and it is the authority that decides whether an array on an agricultural building falls inside permitted development.

FIG. 1 What a Wokingham roof makes, month by month

What a Wokingham roof makes, month by month

Modelled output per kWp installed, for a shallow-pitched south-facing array. Source: EU PVGIS v5.2.

050100Jan: 25 kWh per kWpJanFeb: 38 kWh per kWpFebMar: 72 kWh per kWpMarApr: 104 kWh per kWpAprMay: 120 kWh per kWpMayJun: 125 kWh per kWpJun125 kWh Jul: 124 kWh per kWpJulAug: 105 kWh per kWpAugSep: 82 kWh per kWpSepOct: 51 kWh per kWpOctNov: 30 kWh per kWpNovDec: 22 kWh per kWpDec

Jun produces 5.7 times what Dec does on the same roof. A 500 kWp array here models at about 449,000 kWh across the year, but it arrives unevenly, which is why we size against your summer daytime load and then look at whether storage is worth adding for the shoulder months.

Monthly figures as a table
MonthkWh per kWp500 kWp array
Jan2512,500
Feb3819,000
Mar7236,000
Apr10452,000
May12060,000
Jun12562,500
Jul12462,000
Aug10552,500
Sep8241,000
Oct5125,500
Nov3015,000
Dec2211,000
Source: EU PVGIS v5.2
FIG. 2 Wokingham against the rest of Berkshire
  • Thatcham910
  • Reading907
  • Maidenhead905
  • Newbury904
  • Slough903
  • Windsor901
  • Wokingham898
  • Bracknell891

Wokingham ranks 7 of 8 towns we cover in Berkshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 891 to 910, a spread of 19 kWh per kWp. Within Berkshire that difference is small enough to ignore: where the building sits is not what decides this scheme, your consumption pattern is.

Bars are zero based, so length is proportional to the figure. Where a county is flat, that is the finding: location is not the lever, consumption is. Source: EU PVGIS v5.2, modelled per town

Grid connection through Scottish and Southern Electricity Networks

Scottish and Southern Electricity Networks is the network operator here, and their answer on export capacity shapes the design. Any commercial array above 3.68 kW per phase connects under G99 rather than G98, and the application fixes what you are allowed to push back onto the network. If the local network is tight, limiting export rarely breaks the case here: most of the generation is consumed on site while the building is working.

Across Berkshire the planning database records 83 solar schemes totalling 317 MW, of which 8 are operational (REPD Q1 2026).

Solar already consented near RG40

From the government's Renewable Energy Planning Database, Q1 2026. These are the schemes on record in this postcode district, which is a fair guide to how the local network has been treating export applications.

Scheme Operator Capacity Mounting Status
Barkham Farms - Solar Farm Wokingham Borough Council 33 MW Ground Awaiting Construction
Rectory Road - Roof Mounted Solar panels Wokingham Borough Council n/a Roof Awaiting Construction
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Tell us where the unit is and roughly how big the roof is. We come back with what it can carry, what it would generate against your consumption, and the three ways to pay for it.

Lenzie Consulting Ltd arranges the survey and passes your details to our MCS-certified installation partner so they can quote.

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Questions about solar in Wokingham

What would a 500 kWp array produce on a farm near Wokingham?
Yes, and the figure matters more than the sunshine. At 898 kWh per kWp a year, a 500 kWp array on a Wokingham holding models at around 449,000 kWh. What changes the answer is how much of that the farm uses itself. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Which network operator handles the connection around Wokingham?
Applications go to Scottish and Southern Electricity Networks, who run the network across Berkshire. On a farm the incoming supply matters as much as their answer: a single phase supply caps what can be installed whatever the roof would take.
What does Wokingham require for solar on an agricultural building?
Roof-mounted panels on an agricultural building often fall under permitted development, subject to limits on projection above the roof plane and to the building not being listed or in a conservation area or National Park. We confirm the position with Wokingham before the design is finalised.
Has anyone near RG40 already done this?
The planning database records 1 ground mounted and 1 roof mounted solar schemes in this postcode district. That matters less as proof it works and more as evidence of how the local network has treated export applications. Roof arrays under a megawatt often never appear in the database, so the real figure is higher. Source: Renewable Energy Planning Database, Q1 2026.

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