Caernarfonshire
Solar panels in Bangor, designed on a free call.
Twelve panels (6.36 kWp) here make about 5,140 kWh a year for £6,360 installed, designed around your roof on a free 30-minute video call.
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or call 07782 219224
- Free 30-minute video design call
- Priced before anyone visits
- Installed by our MCS-certified, fully insured teams
How much a Bangor roof makes, month by month
Bangor's best month is May, at 111.1 kWh per kWp; December manages 18.1. Over the year that comes to 808 kWh per kWp, 11% above our Caernarfonshire county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 23.6 |
| February | 41.1 |
| March | 70.5 |
| April | 99.6 |
| May | 111 |
| June | 109 |
| July | 102 |
| August | 86.4 |
| September | 71.7 |
| October | 46.9 |
| November | 28.4 |
| December | 18.1 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 808 kWh per kWp in Bangor against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Bangor 13% below it.
How Bangor compares
Small towns rarely get published solar figures, so here are the numbers for Bangor. It is one of 4 Caernarfonshire towns we track, and it ranks 4th of 4 for solar yield, a town of 18,682 people in the House of Commons Library settlement data. PVGIS gives its roofs 808 kWh per kWp a year, 2.21 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £751 of year one benefit, £247 of it from your own generation and £504 from export at 12p.
These are starting numbers, not a quote. The calculator below opens on Bangor'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.
Planning applications here go through Gwynedd; nationally, the House of Commons Library classes Bangor 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 Bangor (53.2197, -4.14358), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
SP Energy Networks and your Bangor connection
SP Energy Networks owns and runs the local electricity network in Bangor, as part of its 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.
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 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.
Adding a heat pump or an EV charger in Bangor
A heat pump in Bangor
In December, the darkest month here, 12 panels in Bangor make about 120 kWh. That is when a heat pump runs hardest, so its running cost in Bangor 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 Bangor
Bangor's May output, about 710 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.
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).
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 Bangor
The same sourced benchmarks apply in Bangor as everywhere we cover: honest repair pricing and what a service should include.
Bangor solar questions
How much electricity do solar panels make in Bangor?
About 5,140 kWh a year from 12 panels (6.36 kWp), on PVGIS satellite data for Bangor: 808 kWh per kWp, or 2.21 peak sun hours a day on average. May is the strongest month, at about 710 kWh.
Is solar more expensive in Bangor?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Bangor, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 5,140 kWh a year here, which is what drives payback.
Which DNO covers Bangor, and what does it need from me?
SP Energy Networks covers Bangor. A home system of up to 3.68kW per phase is notified to SP Energy Networks within 28 days of commissioning under G98, and nothing waits on approval. Larger outputs need a G99 application before work starts. 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.
What could I earn from exporting in Bangor?
On the 12p export scenario, a 12-panel system in Bangor sends about 4,202 kWh a year to the grid, worth around £504. The export rates table compares what each supplier pays.
How much solar does Bangor get in December?
December is the low point: about 120 kWh from a 12-panel system in Bangor, on PVGIS data, rising to 710 kWh in May. From November to February the same system makes about 710 kWh in total, which is why a battery charged off-peak does more of the work in winter.
How Bangor compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Bangor.
| Town | kWh per kWp a year | vs Bangor |
|---|---|---|
| Bangor | 808 | this town |
| Caernarfon | 891 | +83 kWh |
| Conwy | 933 | +125 kWh |
| Llandudno | 966 | +158 kWh |
| Colwyn Bay | 933 | +125 kWh |
| Holyhead | 1,074 | +266 kWh |
| Abergele | 950 | +142 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 Bangor: Solar panels in Bangor from OVO Solar & Battery
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.
How to size a solar and battery system, properly
Usage, storage, connection, array. Four decisions, and the order between them matters.
Read the guide →Adding a battery to solar panels you already own
Retrofitting a battery to working solar is straightforward. The paperwork is where people trip up.
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 →Are heat pumps worth it? The real 2026 numbers
Electricity costs 3.3x gas per kWh. A heat pump is about 3x as efficient. The numbers nearly cancel out.
Read the guide →Why tariff choice moves payback more than kit choice
Identical kit, five times the export income. The tariff decision worked through with August 2026 rates.
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.