Lincolnshire
Solar panels in Sleaford, with the numbers shown.
A 12-panel roof in Sleaford makes about 6,560 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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Sleaford's solar year
PVGIS puts Sleaford at 1,031 kWh per kWp a year, 2% 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 | 39.4 |
| February | 54.4 |
| March | 91.1 |
| April | 115 |
| May | 126 |
| June | 120 |
| July | 124 |
| August | 113 |
| September | 97.1 |
| October | 67.4 |
| November | 47.1 |
| December | 36.2 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
Against Great Britain as a whole: Sleaford makes 1,031 kWh per kWp a year, and the mean of our 85 county PVGIS estimates (our GB average) is 925, so Sleaford is 11% above it.
How Sleaford compares
Small towns rarely get published solar figures, so here are the numbers for Sleaford. It is one of 22 Lincolnshire towns we track, and it ranks joint 5th of 22 for solar yield, a town of 18,917 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,031 kWh per kWp a year, 2.83 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £921 of year one benefit, £247 of it from your own generation and £674 from export at 12p.
These are starting numbers, not a quote. The calculator below opens on Sleaford'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.
North Kesteven is the planning authority covering Sleaford, which the House of Commons Library classes as a 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.
The figures use PVGIS for the centre of Sleaford (52.9991, -0.41213), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
Who runs the grid in Sleaford
The distribution network operator (DNO) for Sleaford is National Grid Electricity Distribution (NGED), which runs the East Midlands licence area.
G98 is the simple route. If the inverter, plus any battery, stays at or under 3.68kW per phase, NGED only has to be told within 28 days after the system is commissioned.
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 Sleaford
A heat pump in Sleaford
A heat pump does most of its work from November to February. Over those four months, 12 panels in Sleaford make about 1,130 kWh, against 3,080 kWh from May to August, so winter heating runs mostly on grid electricity and the tariff matters more than the roof.
In England, the Boiler Upgrade Scheme pays £7,500 towards an air source or ground source heat pump and £2,500 towards an air-to-air one, with £1,500 more until March 2027 for homes heated by oil or LPG with no mains gas (gov.uk, checked 28 September 2026).
Charging an EV in Sleaford
From April to September, 67% of a Sleaford 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.
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.
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 Sleaford
Faults, servicing and ageing inverters follow the same economics in Sleaford as anywhere else, and the guides below price them plainly.
Common questions about solar in Sleaford
What does a solar panel system produce in Sleaford?
Each kWp of panels in Sleaford makes 1,031 kWh a year on PVGIS figures, so a typical 12-panel system produces around 6,560 kWh, from about 230 kWh in December up to 800 kWh in May.
How much are solar panels in Sleaford?
The price does not move by postcode. At £1,000 per kWp installed, 12 panels (6.36 kWp) come to £6,360 in Sleaford before a battery. What Sleaford changes is the return, about 6,560 kWh a year from that system, and your design call prices your actual roof.
Would a system in Sleaford need approval from the network operator?
Sleaford is on National Grid Electricity Distribution's network (East Midlands licence area). Systems up to 3.68kW per phase of inverter output follow G98: NGED is notified within 28 days of commissioning, with no approval needed first. Anything larger needs a G99 application before installation. NGED's guaranteed standards give 45 working days for a low voltage generation quotation, with £80 paid for each working day late. Our G98 vs G99 guide explains both routes.
How much can I earn from exporting solar in Sleaford?
With typical use and no battery, a 12-panel system in Sleaford exports about 5,620 kWh a year. At 12p per kWh that is roughly £674; a supplier paying more, or a battery that keeps more for the evening, changes the figure. See the export rates table.
Is solar worth it in Sleaford in winter?
It works, but the year is lopsided. 67% of a Sleaford roof's output lands between April and September; the four months from November to February give about 1,130 kWh on a 12-panel system. Payback is worked out on the whole year, not the winter.
How Sleaford compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Sleaford.
| Town | kWh per kWp a year | vs Sleaford |
|---|---|---|
| Sleaford | 1,031 | this town |
| Grantham | 1,013 | −18 kWh |
| Waddington | 1,018 | −13 kWh |
| North Hykeham | 1,011 | −20 kWh |
| Balderton | 1,000 | −31 kWh |
| Bourne | 1,028 | −3 kWh |
| Boston | 1,043 | +12 kWh |
PVGIS v5.2 for each town centroid, identical assumptions throughout. A few kWh either way is weather-year noise; a spread beyond about 30 kWh per kWp is real geography.
Also for Sleaford: Solar panels in Sleaford from OVO Solar & Battery
Also near Sleaford
See a number before you speak to anyone
Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
What a solar service costs, and how often you actually need one
MCS advises a contractor visit at year 10 on a privately owned home. Most plans sell one a year.
Read the guide →Whole home backup or partial backup? The runtime arithmetic
Whole home backup sounds obvious until you do the runtime maths. Here is how to choose the right tier.
Read the guide →Home EV charger types and speeds, explained properly
Granny cable, 7kW wall unit or 22kW three phase. What each adds per hour, and which you need.
Read the guide →Are air source heat pumps any good? What owners actually report
The UK's largest survey found 80% of heat pump owners satisfied, against 70% for gas boilers.
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 →G98 or G99: which one applies, what the application involves, and how long it takes
The G98 line sits at 3.68kW per phase. Above it, your network operator has to say yes first.
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.