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Solar panels for warehouses in Ipswich

Sheds around Ipswich tend to have more roof than the business has any other use for. We start with the covering and the structure, because a roof with five years left in it changes the answer entirely.

933 kWh per kWp a year at this latitude, so a 500 kWp array models at about 467,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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96 m phase 1
Drawing Ipswich unit
Roof 96 x 62 m
Array 500 kWp
Yield 467,000 kWh/yr
Scale 1:500 / Rev A / IP1

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

Ipswich / Suffolk
Distribution estate in the east of England with solar arrays on several roofs
Industrial stock of the kind we survey across East of England.

Distribution centre solar across Suffolk

What a roof in Ipswich actually generates

Modelled irradiation at this latitude is 1188 kWh per square metre a year in the plane of a shallow-pitched roof, which works out at 933 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is around 5 percent above the mean across the towns we cover, which is as good as UK rooftop gets outside the south coast.

Distribution stock around Ipswich clusters on A14, A12 and A1214, which is where the large single-let roofs are.

We survey across the IP postcode area, starting from IP1.

Ipswich is the planning authority for most sites here, and the built-up area holds a population of about 151,565, the size that tends to be served by mid-box last-mile units rather than national hubs (ONS Census 2021 built-up areas).

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

What a Ipswich 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: 39 kWh per kWpFebMar: 75 kWh per kWpMarApr: 110 kWh per kWpAprMay: 126 kWh per kWpMayJun: 130 kWh per kWpJun130 kWh Jul: 128 kWh per kWpJulAug: 110 kWh per kWpAugSep: 85 kWh per kWpSepOct: 53 kWh per kWpOctNov: 31 kWh per kWpNovDec: 21 kWh per kWpDec

Jun produces 6.2 times what Dec does on the same roof. A 500 kWp array here models at about 467,000 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
Feb3919,500
Mar7537,500
Apr11055,000
May12663,000
Jun13065,000
Jul12864,000
Aug11055,000
Sep8542,500
Oct5326,500
Nov3115,500
Dec2110,500
Source: EU PVGIS v5.2
FIG. 2 Ipswich against the rest of Suffolk
  • Leiston956
  • Felixstowe950
  • Lowestoft938
  • Ipswich933
  • Sudbury923
  • Stowmarket922
  • Bury St Edmunds912
  • Newmarket905

Ipswich ranks 4 of 8 towns we cover in Suffolk on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 905 to 956, a spread of 51 kWh per kWp. On a 500 kWp array that is about 25,500 kWh a year between the strongest and weakest town in the county.

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 UK Power Networks

UK Power 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 Suffolk the planning database records 118 solar schemes totalling 1369 MW, of which 23 are operational (REPD Q1 2026).

Solar already consented near IP1

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
White House Road - Solar PV System Hemisphere Freight Services 0.2 MW Roof Awaiting Construction
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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 Ipswich

What would a 500 kWp array produce in Ipswich?
Yes, and the number matters more than the sunshine. At 933 kWh per kWp a year, a 500 kWp array on a Ipswich roof models at around 467,000 kWh. What changes the answer is how much of that you use on site rather than export. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Which network operator handles the connection in Ipswich?
Applications go to UK Power Networks, who run the network across Suffolk. They decide the export limit, and we handle the G99 paperwork alongside the array design.
What does Ipswich require for rooftop solar?
Roof-mounted panels on a commercial building usually fall under permitted development, subject to the limits on projection above the roof plane and to the building not being listed or in a conservation area. We confirm the position with Ipswich before the design is finalised.

Nearby

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