Northamptonshire
Solar panels in Irthlingborough, priced before anyone visits.
A 12-panel roof in Irthlingborough makes about 6,490 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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Sunlight in Irthlingborough, in numbers
From 37.2 kWh per kWp in December to 123.9 in July: a roof in Irthlingborough makes 3.3 times as much in its best month as in its darkest, and 1,021 kWh per kWp across the year.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 38.5 |
| February | 53.6 |
| March | 89 |
| April | 113 |
| May | 123 |
| June | 121 |
| July | 124 |
| August | 112 |
| September | 96.4 |
| October | 66.5 |
| November | 47.2 |
| December | 37.2 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
Our GB average is 925 kWh per kWp a year, the mean of the 85 county PVGIS estimates we publish; at 1,021, Irthlingborough is 10% above it.
How Irthlingborough compares
Small towns rarely get published solar figures, so here are the numbers for Irthlingborough. It is one of 16 Northamptonshire towns we track, and it ranks joint 11th of 16 for solar yield, a town of 9,539 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,021 kWh per kWp a year, 2.80 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £914 of year one benefit, £247 of it from your own generation and £667 from export at 12p.
These are starting numbers, not a quote. The calculator below opens on Irthlingborough's own PVGIS figure; change the panels, the battery or the export rate and it reruns. The design call replaces every assumption with your roof and your bills.
Any planning application in Irthlingborough sits with North Northamptonshire, 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 Irthlingborough's own coordinates (52.3246, -0.61483), 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 Irthlingborough
On NESO's licence-area map, Irthlingborough is in East Midlands, which National Grid Electricity Distribution (NGED) operates. That makes NGED the network operator for any system fitted here.
Below 3.68kW per phase of inverter and battery output, the G98 route applies: the installation is notified to NGED within 28 days of commissioning, with no prior approval.
Larger systems go through G99 instead, applied for before installation. On timing: NGED's guaranteed standards give 45 working days for a low voltage generation quotation, with £80 paid for each working day late.
Sources: NESO DNO licence areas (3 May 2024); NGED, guaranteed standards of performance table, checked 25 September 2026. G98 vs G99, explained.
Adding a heat pump or an EV charger in Irthlingborough
A heat pump in Irthlingborough
Heating demand peaks when solar is weakest. In Irthlingborough, a 12-panel system makes about 240 kWh in December and 240 kWh in January, a fraction of its 790 kWh in July, which is why a heat pump here is costed on its tariff first.
The Boiler Upgrade Scheme, open in England and Wales, takes £7,500 off an air source or ground source heat pump, or £2,500 off an air-to-air unit. Homes on oil or LPG with no mains gas get £1,500 more until March 2027 (gov.uk, checked 28 September 2026).
Charging an EV in Irthlingborough
Summer is where a car earns its place. In July, 12 panels in Irthlingborough make about 790 kWh, against roughly 70 kWh a typical home uses in daylight that month on our calculator's typical-use settings, so there is surplus a smart charger can put into the car instead of exporting it.
Renters and flat owners with private off-street parking can get 75% off a chargepoint and its installation, up to £500 per socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above adds 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 Irthlingborough
If a system in Irthlingborough is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Irthlingborough solar questions
How much energy would 12 solar panels make in Irthlingborough?
Irthlingborough averages 2.80 peak sun hours a day, which PVGIS turns into 1,021 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,490 kWh, 67% of it between April and September.
What does a typical solar system cost in Irthlingborough?
Solar is priced at £1,000 per kWp installed wherever you live, so a 12-panel, 6.36 kWp system costs £6,360 in Irthlingborough, exactly as it would anywhere else, before any battery. Location changes what the system makes, not what it costs: here that is about 6,490 kWh a year. The final figure comes from your roof on the design call.
Who is the network operator in Irthlingborough, and do I need a G99 application?
The operator is National Grid Electricity Distribution (NGED). 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. NGED's guaranteed standards give 45 working days for a low voltage generation quotation, with £80 paid for each working day late. Your design call checks which route yours needs.
What happens to the solar I do not use in Irthlingborough?
Around £667 a year at 12p per kWh, for the roughly 5,557 kWh a 12-panel system in Irthlingborough exports with typical use. Rates vary by supplier and some need their own tariff; the export rates table is dated and sourced.
How does solar perform in Irthlingborough in the winter months?
December is the weakest month in Irthlingborough: about 240 kWh from 12 panels, against 790 kWh in July. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Irthlingborough compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Irthlingborough.
| Town | kWh per kWp a year | vs Irthlingborough |
|---|---|---|
| Irthlingborough | 1,021 | this town |
| Higham Ferrers | 1,024 | +3 kWh |
| Rushden | 1,026 | +5 kWh |
| Raunds | 1,031 | +10 kWh |
| Wellingborough | 1,022 | +1 kWh |
| Burton Latimer | 1,021 | level |
| Thrapston | 1,031 | +10 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 Irthlingborough: Solar panels in Irthlingborough from OVO Solar & Battery
Also near Irthlingborough
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Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
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Read the guide →What MCS certification actually is, and why your export payments depend on it
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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.