Lincolnshire
Solar panels in Spalding, with the numbers shown.
A 12-panel roof in Spalding makes about 6,590 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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What a roof in Spalding can generate
PVGIS puts Spalding at 1,036 kWh per kWp a year, 3% above our Lincolnshire county estimate. 67% of it arrives between April and September, peaking in May.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 38.6 |
| February | 54.4 |
| March | 91.6 |
| April | 115 |
| May | 126 |
| June | 122 |
| July | 125 |
| August | 113 |
| September | 97.5 |
| October | 68.5 |
| November | 47.5 |
| December | 36.8 |
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 1,036, Spalding is 12% above it.
How Spalding compares
Among the places we publish figures for, Spalding is one of 22 Lincolnshire towns we track, and it ranks 3rd of 22 for solar yield. It is a medium town in the House of Commons Library classification, with 31,266 residents, and its roofs see 2.84 peak sun hours a day across the year. That drives the standard 12 panel model to 6,589 kWh of generation, of which around 5,652 kWh is exported at 12p for £678 a year, with £247 saved on electricity you would otherwise buy at 26.32p.
These are starting numbers, not a quote. The calculator below opens on Spalding'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.
Spalding sits within South Holland, its local planning authority, and the House of Commons Library classes it as a medium 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.
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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 Spalding's own coordinates (52.7877, -0.15252), 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.
Connecting solar to the Spalding network
The distribution network operator (DNO) for Spalding is National Grid Electricity Distribution (NGED), which runs the East Midlands licence area.
For a typical home the paperwork is light: a system of up to 3.68kW per phase goes through G98, which means NGED is notified within 28 days of switch-on rather than asked beforehand.
A bigger inverter or battery output needs a G99 application in advance. 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 Spalding
A heat pump in Spalding
Solar and a heat pump pull in opposite directions through the year: Spalding's roofs make 1,130 kWh from November to February on a 12-panel system, and 3,090 kWh from May to August. The heating season leans on the grid, so off-peak rates do the heavy lifting.
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 Spalding
From April to September, 67% of a Spalding roof's yearly output arrives, peaking at about 800 kWh in May on 12 panels. A car parked at home in daylight can soak up what the house, at around 70 kWh of daytime use that month, cannot.
The calculator above includes a 7.4kW smart charger from £1,100 installed. Renters and flat owners with off-street parking can claim 75% of a chargepoint's cost, up to £500 per socket, until 31 March 2027 (gov.uk, checked 28 September 2026).
What the named kit costs, installed
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Spalding
Guidance is nationwide, so the benchmarks hold in Spalding: repair costs, service scope, and when the inverter is the real fault.
Common questions about solar in Spalding
What could a roof in Spalding generate?
PVGIS puts a roof in Spalding at 1,036 kWh per kWp a year, 2.84 peak sun hours a day averaged across the seasons. A 12-panel, 6.36 kWp system makes about 6,590 kWh a year, most of it between April and September.
What would 12 solar panels cost in Spalding?
£6,360 for 12 panels (6.36 kWp), the same as in every other place we cover, because solar is priced at £1,000 per kWp installed rather than by area. A battery adds its own installed price on top. Where Spalding differs is output: about 6,590 kWh a year from that system.
Do I need permission from the DNO for solar in Spalding?
Usually not in advance. NGED, the network operator for Spalding, only needs a G98 notification within 28 days of commissioning for systems up to 3.68kW per phase. Bigger inverter or battery outputs need G99 approval first. NGED's guaranteed standards give 45 working days for a low voltage generation quotation, with £80 paid for each working day late. "See our DNO explainer.
How much would export pay on a system in Spalding?
It is exported. With typical use and no battery, about 5,652 kWh of the 6,590 kWh a 12-panel system makes in Spalding goes to the grid, around £678 a year at 12p. A battery keeps more of it for the evening; the export rates table shows what suppliers pay.
Do solar panels work in winter in Spalding?
Yes, at a lower level. PVGIS gives Spalding 36.8 kWh per kWp in December and 38.6 in January, so a 12-panel system makes about 230 kWh and 250 kWh in those months, against 800 kWh in May. Winter output mostly covers daytime use rather than exporting.
How Spalding compares with its neighbours
How the towns nearest Spalding compare on the same PVGIS settings, closest first.
| Town | kWh per kWp a year | vs Spalding |
|---|---|---|
| Spalding | 1,036 | this town |
| Holbeach | 1,046 | +10 kWh |
| Bourne | 1,028 | −8 kWh |
| Deeping St James | 1,030 | −6 kWh |
| Boston | 1,043 | +7 kWh |
| Peterborough | 1,029 | −7 kWh |
| Wisbech | 1,038 | +2 kWh |
Each row is a PVGIS v5.2 run at that town's centre with the same settings. Treat gaps of a few kWh as noise and gaps over about 30 kWh per kWp as real differences in sunshine.
Also for Spalding: Solar panels in Spalding from OVO Solar & Battery
Also near Spalding
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Reading for Spalding homeowners
Sourced, dated and written by us. The same ground we cover on your free call.
How long does a solar inverter last, and when does replacing it make sense?
The one component you should expect to replace, and the decision tree when it goes.
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 →Three phase and EV charging: what actually changes
Three phase buys 22kW charging. Most cars cannot use it, and load balancing usually solves the real problem.
Read the guide →How an air source heat pump actually works
It moves heat rather than making it. The cycle, the efficiency numbers and the trade-offs.
Read the guide →The price cap explained, and what it does to solar payback
The cap limits unit rates, not bills. That changes what solar payback means.
Read the guide →MCS, HIES, RECC, NAPIT, TrustMark and Flexi-Orb: which badge does what
Six logos, six different jobs. What each scheme covers, and which are actually required.
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.