Is there enough sun in Bishop Auckland for a commercial roof array?

Modelled at 817 kWh per kWp a year for a low-tilt array at this latitude, a 210 kWp system comes out at roughly 172,000 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 County Durham?

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 County Durham 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 Bishop Auckland 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 Bishop Auckland?

Capacity varies street by street and only Northern Powergrid 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.

Commercial building solar panels in Bishop Auckland

A flat commercial roof in Bishop Auckland is usually the largest surface a building owns and the one nobody is asked to manage. We check the covering and the lease together, because a roof with eight years of membrane left and a tenant with a break in three changes the answer.

817 kWh per kWp a year at this latitude, so a 210 kWp array models at about 172,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

Book a roof survey in Bishop Auckland

Drawing Bishop Auckland commercial roof

Roof 60 x 32 m, 1,920 m²

Array 210 kWp, east-west

Yield 172,000 kWh/yr

Scale 1:400 / Rev A / DL14

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.

23,355: people in the Bishop Auckland built-up area (ONS Census 2021)
2,340: office properties on the rating list in County Durham (VOA, March 2025)
4,190: retail properties, 170 of them large-format (VOA, March 2025)
1: named commercial rooftop scheme on the planning record nearby (REPD, Q1 2026)

The commercial edge of a northern town, offices and a retail park with solar on several roofs — Commercial stock of the kind we survey across North East. Generated illustration, not a named site.

Solar PV for commercial property across County Durham

What a flat roof in Bishop Auckland generates

Modelled irradiation here is 1,042 kWh per square metre a year on a low-tilt array, which works out at 817 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is about 8 percent below the mean across the towns we cover, so the case here rests more on daytime consumption than on raw generation.

Commercial stock in County Durham

County Durham has 2,340 office premises and 4,190 shops and other retail premises on the non-domestic rating list, according to the Valuation Office Agency. By office stock the district sits in the top quarter of the 318 districts in England and Wales; by retail stock it sits in the top tenth of the 318 districts in England and Wales.

The big roofs are in the 170 large-format retail units, superstores and retail warehouses in the district, about 324,000 square metres of floorspace under largely single storey roofs.

The same list carries 990 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.

Commercial rooftop solar already planned near Bishop Auckland

The Renewable Energy Planning Database records one roof-mounted scheme on supermarket and retail buildings in this postcode district. These are other organisations' projects, listed from the public record, not ours.

Scheme	Applicant	Type	Capacity	Status
Tesco Store Bishop Auckland	Tesco Stores	retail	0.5 MW	Awaiting Construction

The built-up area holds about 23,355 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 DL postcode area, starting from DL14.

FIG. 1 What a Bishop Auckland roof makes, month by month

May produces 7.8 times what Dec does on the same roof. A 210 kWp array here models at about 172,000 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

Month	kWh per kWp	210 kWp array
Jan	19	3,990
Feb	34	7,140
Mar	67	14,070
Apr	98	20,580
May	117	24,570
Jun	111	23,310
Jul	116	24,360
Aug	99	20,790
Sep	74	15,540
Oct	43	9,030
Nov	24	5,040
Dec	15	3,150

Source: EU PVGIS v5.2

FIG. 2 Bishop Auckland against the rest of County Durham

Peterlee845
Durham823
Chester-le-Street821
Newton Aycliffe819
Bishop Auckland817
Consett811

Bishop Auckland ranks 5 of 6 towns we cover in County Durham on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 811 to 845, a spread of 34 kWh per kWp. Within County Durham 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 Northern Powergrid

Northern Powergrid operates the distribution network across County Durham, 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 County Durham the planning database records 85 solar schemes totalling 1168 MW, of which 9 are operational (REPD Q1 2026).

All solar on record near DL14

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
Tesco Store Bishop Auckland	Tesco Stores	0.5 MW	Roof	Awaiting Construction
Evenwood Lane, Evenwood - Solar PV System	Unknown	0.61 MW	Roof	Awaiting Construction
Electrix International, South Church Enterprise Park - Solar Panels	Electrix International Limited	0.19 MW	Roof	Awaiting Construction
Bishop Auckland College, Woodhouse Lane - Solar Pv Panels	Bishop Auckland College	0.25 MW	Roof	Awaiting Construction
King James I Academy, South Church Road - Solar Panels	Solar Options for Schools Limited	0.27 MW	Roof	Application Withdrawn
King James I Academy, South Church Road - Solar Panels	Solar Options for Schools Limited	0.22 MW	Roof	Awaiting Construction

Book the survey

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.

Your name Company Email Phone Site postcode Building type Your interest in the building Roof area Annual electricity spend What are you looking at?

Anything we should know about the roof?

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

Questions about solar in Bishop Auckland

Is there enough sun in Bishop Auckland for a commercial roof array?: Modelled at 817 kWh per kWp a year for a low-tilt array at this latitude, a 210 kWp system comes out at roughly 172,000 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 County Durham?: 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 County Durham 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 Bishop Auckland 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 Bishop Auckland?: Capacity varies street by street and only Northern Powergrid 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.

Nearby

All County Durham locations