Cheshire
Solar panels in Heswall, with the numbers shown.
About 6,260 kWh a year from 12 panels in Heswall, £6,360 installed, with your system designed on a free 30-minute video call.
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Heswall's solar year
Heswall's best month is May, at 128.8 kWh per kWp; December manages 31. Over the year that comes to 985 kWh per kWp, 4% above our Cheshire county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 33.9 |
| February | 53.8 |
| March | 87 |
| April | 114 |
| May | 129 |
| June | 120 |
| July | 121 |
| August | 108 |
| September | 89.1 |
| October | 59.1 |
| November | 39.9 |
| December | 31 |
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: Heswall makes 985 kWh per kWp a year, and the mean of our 85 county PVGIS estimates (our GB average) is 925, so Heswall is 6% above it.
How Heswall compares
Among the places we publish figures for, Heswall is one of 45 Cheshire towns we track, and it ranks 3rd of 45 for solar yield. It is a medium town in the House of Commons Library classification, with 29,270 residents, and its roofs see 2.70 peak sun hours a day across the year. That drives the standard 12 panel model to 6,265 kWh of generation, of which around 5,328 kWh is exported at 12p for £639 a year, with £247 saved on electricity you would otherwise buy at 26.32p.
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 Heswall's own yield.
Wirral is the planning authority covering Heswall, which the House of Commons Library classes 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.
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.
Modelled for Heswall at 53.33581, -3.10018 on PVGIS data, with imports valued at 26.32p/kWh and solar at £1,000 per kWp installed. Sources and assumptions: help page.
Who runs the grid in Heswall
The distribution network operator (DNO) for Heswall is SP Energy Networks, which runs the North Wales, Merseyside and Cheshire licence area.
For a typical home the paperwork is light: a system of up to 3.68kW per phase goes through G98, which means SP Energy Networks is notified within 28 days of switch-on rather than asked beforehand.
Anything bigger is a G99 case and is applied for 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 SP Energy Networks 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 Heswall
A heat pump in Heswall
A heat pump does most of its work from November to February. Over those four months, 12 panels in Heswall make about 1,010 kWh, against 3,040 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 Heswall
From April to September, 69% of a Heswall roof's yearly output arrives, peaking at about 820 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.
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 Heswall
Faults, servicing and ageing inverters follow the same economics in Heswall as anywhere else, and the guides below price them plainly.
Solar in Heswall: your questions answered
What does a solar panel system produce in Heswall?
Each kWp of panels in Heswall makes 985 kWh a year on PVGIS figures, so a typical 12-panel system produces around 6,260 kWh, from about 200 kWh in December up to 820 kWh in May.
How much are solar panels in Heswall?
The price does not move by postcode. At £1,000 per kWp installed, 12 panels (6.36 kWp) come to £6,360 in Heswall before a battery. What Heswall changes is the return, about 6,260 kWh a year from that system, and your design call prices your actual roof.
Would a system in Heswall need approval from the network operator?
Heswall is on SP Energy Networks' network (North Wales, Merseyside and Cheshire licence area). Systems up to 3.68kW per phase of inverter output follow G98: SP Energy Networks is notified within 28 days of commissioning, with no approval needed first. Anything larger needs a G99 application before installation. 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 SP Energy Networks as it does every network operator. Our G98 vs G99 guide explains both routes.
How much can I earn from exporting solar in Heswall?
With typical use and no battery, a 12-panel system in Heswall exports about 5,328 kWh a year. At 12p per kWh that is roughly £639; 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 Heswall in winter?
It works, but the year is lopsided. 69% of a Heswall roof's output lands between April and September; the four months from November to February give about 1,010 kWh on a 12-panel system. Payback is worked out on the whole year, not the winter.
How Heswall compares with its neighbours
Same satellite dataset, same assumptions, so the differences are real geography rather than modelling noise.
| Town | kWh per kWp a year | vs Heswall |
|---|---|---|
| Heswall | 985 | this town |
| Greasby | 990 | +5 kWh |
| Neston | 969 | −16 kWh |
| West Kirby | 991 | +6 kWh |
| Birkenhead | 974 | −11 kWh |
| Bebington | 959 | −26 kWh |
| Wallasey | 982 | −3 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 Heswall: Solar panels in Heswall from OVO Solar & Battery
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Further reading for Heswall
Sourced, dated and written by us. The same ground we cover on your free call.
How to clean solar panels, and whether you need to at all
Cleaning is oversold and pigeon mesh is undersold. The numbers behind both.
Read the guide →Does a standalone battery actually pay back?
No panels means one job: buy cheap, use later. The tariff decides whether it pays.
Read the guide →The main home EV chargers, compared on what actually differs
Eight popular UK home chargers on cable, connectivity, warranty and tariff integration.
Read the guide →Are heat pumps noisy? The 37 dB(A) answer, in plain terms
The 1 metre boundary rule is gone. A 37 dB(A) sound test replaced it.
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.