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Commercial building solar panels in Swadlincote

Commercial roofs in Swadlincote tend to be flat, membrane covered and cluttered with plant, which shapes the layout more than the size does. What decides a scheme is the roof covering, the parapet height and the plant layout, which is why the survey happens on the roof rather than from a satellite image.

856 kWh per kWp a year at this latitude, so a 210 kWp array models at about 180,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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60 m 32 m N plant screen shade, kept clear stair core edge strip 1.5 m phase 1
Drawing Swadlincote commercial roof
Roof 60 x 32 m, 1,920 m²
Array 210 kWp, east-west
Yield 180,000 kWh/yr
Scale 1:400 / Rev A / DE11

Illustrative layout for a flat commercial roof of this size, with plant, shade and access kept clear. Your own figures come from the roof survey.

34,565
people in the Swadlincote built-up area (ONS Census 2021)
310
office properties on the rating list in South Derbyshire (VOA, March 2025)
490
retail properties, 20 of them large-format (VOA, March 2025)
0
named commercial rooftop schemes on the planning record nearby (REPD, Q1 2026)
The commercial edge of a Midlands town, a supermarket and low offices with rooftop solar
Commercial stock of the kind we survey across East Midlands. Generated illustration, not a named site.

Commercial rooftop solar across Derbyshire

Yield on a Swadlincote commercial roof

Modelled irradiation here is 1,094 kWh per square metre a year on a low-tilt array, which works out at 856 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is about 3 percent below the mean across the towns we cover, so the case here rests more on daytime consumption than on raw generation.

How many commercial buildings South Derbyshire has

On the Valuation Office Agency's count, South Derbyshire holds 490 retail and 310 office properties on the rating list. By office stock the district sits in the bottom quarter of the 318 districts in England and Wales; by retail stock it sits in the bottom quarter of the 318 districts in England and Wales.

The big roofs are in the 20 large-format retail units, superstores and retail warehouses in the district, about 23,000 square metres of floorspace under largely single storey roofs.

The same list carries 130 hotel, leisure and assembly properties in the district. Leisure centres and hotels run seven days a week, which puts weekend generation to use that an office would export.

Source: Valuation Office Agency, Non-domestic rating: business floorspace, 31 March 2025 (published December 2025), counts and floorspace by special category code and local authority district, England and Wales.

The built-up area holds about 34,565 people, so the stock here runs to high street premises, a supermarket or two and the odd hotel (ONS Census 2021 built-up areas).

We arrange surveys across the DE postcode area, starting from DE11.

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

What a Swadlincote roof makes, month by month

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

0255075100Jan: 22 kWh per kWpJanFeb: 36 kWh per kWpFebMar: 70 kWh per kWpMarApr: 100 kWh per kWpAprMay: 118 kWh per kWpMayJun: 117 kWh per kWpJunJul: 119 kWh per kWpJul119 kWh Aug: 101 kWh per kWpAugSep: 78 kWh per kWpSepOct: 48 kWh per kWpOctNov: 27 kWh per kWpNovDec: 19 kWh per kWpDec

Jul produces 6.3 times what Dec does on the same roof. A 210 kWp array here models at about 180,000 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 kWp210 kWp array
Jan224,620
Feb367,560
Mar7014,700
Apr10021,000
May11824,780
Jun11724,570
Jul11924,990
Aug10121,210
Sep7816,380
Oct4810,080
Nov275,670
Dec193,990
Source: EU PVGIS v5.2
FIG. 2 Swadlincote against the rest of Derbyshire
  • Long Eaton866
  • Derby862
  • Swadlincote856
  • Ilkeston855
  • Belper850
  • Matlock844
  • Chesterfield843
  • Buxton805

Swadlincote ranks 3 of 8 towns we cover in Derbyshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 805 to 866, a spread of 61 kWh per kWp. On a 210 kWp commercial roof that is about 12,810 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 National Grid Electricity Distribution

Connections around Swadlincote are handled by National Grid Electricity Distribution, which sets the export limit for the site. Above 3.68 kW per phase the connection runs under G99, so the export limit is agreed in advance rather than assumed. Where the local network is constrained, an export-limited connection usually still makes the scheme work, because a commercial building uses most of what the roof makes during the working day.

Across Derbyshire the planning database records 144 solar schemes totalling 904 MW, of which 27 are operational (REPD Q1 2026).

All solar on record near DE11

Every scheme in this postcode district in the government's Renewable Energy Planning Database, Q1 2026, ground and roof mounted, commercial or not. None of them is ours. Together they are a fair guide to how the local network has been treating export applications.

Scheme Operator Capacity Mounting Status
Short Hazel Solar Farm Pearmat Solar 5 MW Ground Operational
Land at Sunnyside Court Ethical Power 4.9 MW Ground Application Refused
Brizlincote Hall Solar Farm Vortex (formerly SunEdison) 5 MW Ground Application Refused
Park Road Earthworm Energy 5 MW Ground Application Refused
Lullington Solar Park Lullington Solar Park Limited 49.9 MW Ground Revised
Kiln Way, Woodville - Solar Photovoltaic Panels Cactus Energy 0.18 MW Roof Revised
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Send us the postcode

Tell us where the building is, roughly how big the roof is, and whether you own it or lease it. 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.

We pass your details to our MCS-certified installation partner so they can quote. Read the privacy notice.

Questions about solar in Swadlincote

Is there enough sun in Swadlincote for a commercial roof array?
Modelled at 856 kWh per kWp a year for a low-tilt array at this latitude, a 210 kWp system comes out at roughly 180,000 kWh a year before shading. It needs about 1,390 m² of flat roof once the edge strip, plant and walkways are kept clear. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Do we need planning permission for solar on a commercial building in South Derbyshire?
Usually not a full application. In England, panels on the roof of a non-domestic building are permitted development under Class J of Part 14 of the General Permitted Development Order, with no capacity cap since December 2023. Above 50 kW, which covers most commercial arrays, you must first apply to South Derbyshire for a determination on prior approval of the design and appearance, in particular glare on neighbouring land. On a flat roof panels may stand no more than 1 metre above the roof and must sit at least 1 metre from its edge, and listed buildings and scheduled monuments are excluded. See our planning permission guide for the detail.
Does solar help a Swadlincote landlord meet MEES?
It can. A non-domestic EPC is an asset rating, and on-site generation counts in the calculation, so an array usually lifts the score. Let property in England and Wales must be EPC E or better today. The government's interim response of 18 June 2026 proposes EPC B, where cost effective, from 2031 for let buildings over 1,000 m², and drops the EPC C step once planned for 2027. How far solar moves a particular building depends on its fabric and services, which is why the EPC assessor models it before anything is fitted.
Which network operator handles the connection in Swadlincote?
Capacity varies street by street and only National Grid Electricity Distribution can answer it for your connection. We ask early, because an export-limited offer changes the design rather than ending the scheme, and most commercial buildings use most of what they generate anyway.

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