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Solar panels for farms in Northampton

Farm buildings around Northampton carry broad, shallow roofs that were put up for storage and stock, not for generation. 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.

893 kWh per kWp a year at this latitude, so a 500 kWp array models at about 447,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

Book a roof survey in Northampton
96 m phase 1
Drawing Northampton unit
Roof 96 x 62 m
Array 500 kWp
Yield 447,000 kWh/yr
Scale 1:500 / Rev A / NN1

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

Northampton / Northamptonshire
Midlands arable farmland with solar on farm building roofs
Industrial stock of the kind we survey across East Midlands.

Farm building solar PV across Northamptonshire

What a farm roof near Northampton generates

Modelled irradiation at this latitude is 1142 kWh per square metre a year in the plane of a shallow-pitched roof, which works out at 893 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.

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 Northampton is higher than the record shows.

We survey holdings across the NN postcode area, starting from NN1.

North Northamptonshire 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 Northampton roof makes, month by month

What a Northampton roof makes, month by month

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

050100Jan: 24 kWh per kWpJanFeb: 38 kWh per kWpFebMar: 73 kWh per kWpMarApr: 103 kWh per kWpAprMay: 120 kWh per kWpMayJun: 122 kWh per kWpJunJul: 124 kWh per kWpJul124 kWh Aug: 105 kWh per kWpAugSep: 82 kWh per kWpSepOct: 51 kWh per kWpOctNov: 30 kWh per kWpNovDec: 21 kWh per kWpDec

Jul produces 5.9 times what Dec does on the same roof. A 500 kWp array here models at about 447,000 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
Jan2412,000
Feb3819,000
Mar7336,500
Apr10351,500
May12060,000
Jun12261,000
Jul12462,000
Aug10552,500
Sep8241,000
Oct5125,500
Nov3015,000
Dec2110,500
Source: EU PVGIS v5.2
FIG. 2 Northampton against the rest of Northamptonshire
  • Rushden900
  • Towcester897
  • Wellingborough896
  • Kettering895
  • Northampton893
  • Corby892
  • Daventry890

Northampton ranks 5 of 7 towns we cover in Northamptonshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 890 to 900, a spread of 10 kWh per kWp. Within Northamptonshire 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

Solar already consented near NN1

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
Ladys Lane - Solar Panels Bowmer & Kirkland Limited 0.17 MW Roof Awaiting Construction

Grid connection through National Grid Electricity Distribution

National Grid Electricity Distribution operates the distribution network across Northamptonshire, so the export application goes to them. Anything larger than 3.68 kW per phase falls under G99, which means an application before commissioning rather than a notification afterwards. A constrained network is not the end of a scheme. Capping export costs little when the building already absorbs most of what the roof produces.

Across Northamptonshire the planning database records 133 solar schemes totalling 1932 MW, of which 25 are operational (REPD Q1 2026).

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Send us the postcode

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 Northampton

What would a 500 kWp array produce on a farm near Northampton?
Yes, and the figure matters more than the sunshine. At 893 kWh per kWp a year, a 500 kWp array on a Northampton holding models at around 447,000 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 Northampton?
Applications go to National Grid Electricity Distribution, who run the network across Northamptonshire. 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 North Northamptonshire 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 North Northamptonshire before the design is finalised.

Nearby

All Northamptonshire locations