Suffolk
Solar panels in Lowestoft, designed on a free call.
A 12-panel roof in Lowestoft makes about 6,730 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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Sunlight in Lowestoft, in numbers
From 35 kWh per kWp in December to 133.6 in May: a roof in Lowestoft makes 3.8 times as much in its best month as in its darkest, and 1,058 kWh per kWp across the year.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 37.6 |
| February | 52.7 |
| March | 91.2 |
| April | 126 |
| May | 134 |
| June | 129 |
| July | 129 |
| August | 116 |
| September | 99 |
| October | 65 |
| November | 44.3 |
| December | 35 |
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 1,058, Lowestoft is 14% above it.
How Lowestoft compares
Lowestoft is one of 16 Suffolk towns we track, and it ranks 9th of 16 for solar yield. The House of Commons Library settlement data classes it as a large town of 71,992 people. At 1,058 kWh per kWp a year, a typical 12 panel system here pays for itself in around 6.8 years on the 12p scenario: £942 of year one benefit against £6,360 installed, £247 of that benefit from cutting 26.32p imports with your own generation.
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 Lowestoft's own yield.
Planning applications here go through East Suffolk; nationally, the House of Commons Library classes Lowestoft as a large 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 Lowestoft at 52.47439, 1.72541 on PVGIS data, with imports valued at 26.32p/kWh and solar at £1,000 per kWp installed. Sources and assumptions: help page.
The network operator for Lowestoft
The distribution network operator (DNO) for Lowestoft is UK Power Networks, which runs the East England licence area.
For a typical home the paperwork is light: a system of up to 3.68kW per phase goes through G98, which means UK Power Networks is notified within 28 days of switch-on rather than asked beforehand.
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 UK Power 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 Lowestoft
A heat pump in Lowestoft
In December, the darkest month here, 12 panels in Lowestoft make about 220 kWh. That is when a heat pump runs hardest, so its running cost in Lowestoft comes down to the tariff and the flow temperature rather than the roof.
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 Lowestoft
Lowestoft's May output, about 850 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.
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 Lowestoft
If a system in Lowestoft is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Solar in Lowestoft: your questions answered
How much energy would 12 solar panels make in Lowestoft?
Lowestoft averages 2.90 peak sun hours a day, which PVGIS turns into 1,058 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,730 kWh, 69% of it between April and September.
Is solar more expensive in Lowestoft?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Lowestoft, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 6,730 kWh a year here, which is what drives payback.
Who is the network operator in Lowestoft, and do I need a G99 application?
The operator is UK Power Networks. 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 UK Power Networks as it does every network operator. Your design call checks which route yours needs.
What could I earn from exporting in Lowestoft?
On the 12p export scenario, a 12-panel system in Lowestoft sends about 5,792 kWh a year to the grid, worth around £695. The export rates table compares what each supplier pays.
How does solar perform in Lowestoft in the winter months?
December is the weakest month in Lowestoft: about 220 kWh from 12 panels, against 850 kWh in May. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Lowestoft 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 Lowestoft |
|---|---|---|
| Lowestoft | 1,058 | this town |
| Gorleston-on-Sea | 1,068 | +10 kWh |
| Beccles | 1,075 | +17 kWh |
| Bradwell | 1,069 | +11 kWh |
| Great Yarmouth | 1,042 | −16 kWh |
| Caister-on-Sea | 1,056 | −2 kWh |
| Norwich | 1,033 | −25 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 Lowestoft: Solar panels in Lowestoft from OVO Solar & Battery
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Further reading for Lowestoft
Sourced, dated and written by us. The same ground we cover on your free call.
Do you need planning permission for solar panels? Usually not
Usually not, provided the installation stays within the limits updated on 27 August 2026.
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Read the guide →Get my free quote
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