Lancashire
Solar panels in Westhoughton, designed on a free call.
A 12-panel roof in Westhoughton makes about 5,900 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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Sunlight in Westhoughton, in numbers
From 28.3 kWh per kWp in December to 120.9 in May: a roof in Westhoughton makes 4.3 times as much in its best month as in its darkest, and 928 kWh per kWp across the year.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 28.6 |
| February | 49.3 |
| March | 81.8 |
| April | 108 |
| May | 121 |
| June | 114 |
| July | 114 |
| August | 102 |
| September | 85.3 |
| October | 57.4 |
| November | 38.3 |
| December | 28.3 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 928 kWh per kWp in Westhoughton against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Westhoughton level with it.
How Westhoughton compares
Small towns rarely get published solar figures, so here are the numbers for Westhoughton. It is one of 109 Lancashire towns we track, and it ranks 42nd of 109 for solar yield, a town of 22,719 people in the House of Commons Library settlement data. PVGIS gives its roofs 928 kWh per kWp a year, 2.54 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £843 of year one benefit, £247 of it from your own generation and £596 from export at 12p.
Every figure here assumes a clear, south-facing roof at 35 degrees. Yours will differ, which is what the free design call is for; until then, the calculator below tests panels, batteries and export rates on Westhoughton's own yield.
Any planning application in Westhoughton sits with Bolton, and its official House of Commons Library settlement class is small town.
The charger is in the installed price but left out of payback: charging savings depend on your mileage and tariff, which the design call models properly.
Your real roof and usage, worked through on a free 30-minute video call. Use the full form or leave three details below.
Price this for your roof
Three details. We call or text within one working day to book your free 30-minute design call, on video or by phone if you prefer.
Generation is modelled from PVGIS satellite data for Westhoughton's own coordinates (53.54509, -2.52112), using the same 26.32p/kWh import value and £1,000 per kWp installed pricing as every Clearline estimate; the methodology is on our help page.
The network operator for Westhoughton
On NESO's licence-area map, Westhoughton is in North West England, which Electricity North West operates. That makes Electricity North West the network operator for any system fitted here.
Most home systems stay within 3.68kW per phase of inverter output, which puts them on G98, a notification to Electricity North West within 28 days of switch-on. Panel count does not decide it; the inverter and any battery do.
Above that, G99 means applying before the work is booked. Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds Electricity North West as it does every network operator.
Sources: NESO DNO licence areas (3 May 2024); Ofgem, Distributed Generation Standards Direction guidance, checked 27 September 2026. G98 vs G99, explained.
Beyond the panels: heating and car charging in Westhoughton
A heat pump in Westhoughton
In December, the darkest month here, 12 panels in Westhoughton make about 180 kWh. That is when a heat pump runs hardest, so its running cost in Westhoughton comes down to the tariff and the flow temperature rather than the roof.
Grant support in England comes from the Boiler Upgrade Scheme: £7,500 for an air source or ground source heat pump, £2,500 for air-to-air, and an extra £1,500 until March 2027 where the home is heated by oil or LPG off the gas grid (gov.uk, checked 28 September 2026).
Charging an EV in Westhoughton
Westhoughton's May output, about 770 kWh from 12 panels, is several times the 70 kWh or so a typical home uses in daylight that month on our calculator's settings. Daytime charging turns that surplus into miles.
If you rent, or own a flat, and have private off-street parking, the government chargepoint grant covers 75% of the cost, capped at £500 a socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above prices a 7.4kW smart charger from £1,100 installed.
The packages, priced before anyone visits
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Westhoughton
If a system in Westhoughton is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Solar in Westhoughton: your questions answered
How much energy would 12 solar panels make in Westhoughton?
Westhoughton averages 2.54 peak sun hours a day, which PVGIS turns into 928 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 5,900 kWh, 69% of it between April and September.
Is solar more expensive in Westhoughton?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Westhoughton, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 5,900 kWh a year here, which is what drives payback.
Who is the network operator in Westhoughton, and do I need a G99 application?
The operator is Electricity North West. Most home systems use the G98 route, a notification within 28 days of switch-on for up to 3.68kW per phase, so nothing waits on the network. Above that, G99 applies and has to be granted first. Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds Electricity North West as it does every network operator. Your design call checks which route yours needs.
What could I earn from exporting in Westhoughton?
On the 12p export scenario, a 12-panel system in Westhoughton sends about 4,965 kWh a year to the grid, worth around £596. The export rates table compares what each supplier pays.
How does solar perform in Westhoughton in the winter months?
December is the weakest month in Westhoughton: about 180 kWh from 12 panels, against 770 kWh in May. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Westhoughton compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Westhoughton.
| Town | kWh per kWp a year | vs Westhoughton |
|---|---|---|
| Westhoughton | 928 | this town |
| Atherton | 923 | −5 kWh |
| Hindley | 930 | +2 kWh |
| Leigh | 926 | −2 kWh |
| Horwich | 920 | −8 kWh |
| Ince-in-Makerfield | 933 | +5 kWh |
| Tyldesley | 923 | −5 kWh |
Same PVGIS v5.2 query for every town. Small differences are within year-to-year weather; more than about 30 kWh per kWp apart is geography.
Also for Westhoughton: Solar panels in Westhoughton from OVO Solar & Battery
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Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
Why your inverter is smaller than your panel array, and why that is correct
More panel capacity than inverter capacity is a deliberate design choice.
Read the guide →How much a battery saves by charging on cheap night rates
What charging at 8.5p and using at 26.32p is actually worth over a year.
Read the guide →How time of use charging windows actually work
How a cheap overnight window is metered and billed, and what a battery does inside it.
Read the guide →Heat pump running costs versus a gas boiler, assumptions shown
Four numbers decide it: seasonal efficiency, flow temperature, tariff and heat demand.
Read the guide →Why tariff choice moves payback more than kit choice
Identical kit, five times the export income. The tariff decision worked through with August 2026 rates.
Read the guide →Your MCS certificate: what it shows, when it arrives, and how a Smart Export Guarantee supplier uses it
The document your export payments hang on. Who issues it, what it shows, and how to get a copy.
Read the guide →Get my free quote
Takes about two minutes. We call or text within one working day to book your free 30-minute video design call at a time that suits you. We design it around your roof and your numbers, and our MCS-certified, fully insured installation teams install it.