Denbighshire, Wales
Solar panels across Denbighshire, designed on a free call.
About 5,830 kWh a year from 12 panels in Denbighshire, £6,360 installed, with your system designed on a free 30-minute video call.
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- Free 30-minute video design call
- Priced before anyone visits
- Installed by our MCS-certified, fully insured teams
What a roof in Denbighshire can generate
Denbighshire's best month is May, at 119.1 kWh per kWp; December manages 26.3. Over the year that comes to 917 kWh per kWp, 1% below the mean of our 85 county estimates.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 30 |
| February | 47.9 |
| March | 80.9 |
| April | 107 |
| May | 119 |
| June | 113 |
| July | 114 |
| August | 100 |
| September | 85 |
| October | 56.4 |
| November | 36.8 |
| December | 26.3 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 917 kWh per kWp in Denbighshire against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Denbighshire 1% below it.
How Denbighshire compares
Denbighshire ranks joint 47th of the 85 counties we track for solar yield. Self use does the heavy lifting here: of the £834 year one benefit on a typical 12 panel system, £247 comes from replacing 26.32p imports with your own generation, which is why battery sizing matters more than panel count.
Treat these as calibration rather than a quote. The calculator below opens on Denbighshire's own PVGIS yield and prices a 12 panel system at £6,360 installed before any battery; your free design call reworks every number for your roof.
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.
Generation from PVGIS v5.2 (European Commission JRC, SARAH3), retrieved August 2026 for a representative point in Denbighshire (53.0756, -3.392), assuming 1 kWp, 14% system loss, 35 degree pitch, due south. Import valued at 26.32p/kWh (Ofgem price cap average, Oct to Dec 2026); off-peak charging at 8.5p/kWh where used (a supplier's published off-peak rate, checked September 2026); export at the scenario you pick, from the dated tariff table. Prices are installed pricing, August 2026, standard installations; 530W LONGi panels at £1,000 per kWp. Estimates for illustration, not a quote: your free design call prices your actual roof.
Connecting solar to the Denbighshire network
SP Energy Networks is the distribution network operator (DNO) for Denbighshire, running its North Wales, Merseyside and Cheshire licence area.
What decides the paperwork is the inverter and battery output, not the number of panels. Up to 3.68kW per phase, a system follows G98: SP Energy Networks is notified within 28 days of commissioning and nothing has to be approved first.
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.
Heat pumps and EV charging in Denbighshire
A heat pump in Denbighshire
Solar and a heat pump pull in opposite directions through the year: Denbighshire's roofs make 900 kWh from November to February on a 12-panel system, and 2,840 kWh from May to August. The heating season leans on the grid, so off-peak rates do the heavy lifting.
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 Denbighshire
From April to September, 70% of a Denbighshire roof's yearly output arrives, peaking at about 760 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.
Installed prices, the same across Denbighshire
Every system is designed around your roof on the free call before anything is fitted.
Denbighshire solar questions
What could a roof in Denbighshire generate?
PVGIS puts a roof in Denbighshire at 917 kWh per kWp a year, 2.51 peak sun hours a day averaged across the seasons. A 12-panel, 6.36 kWp system makes about 5,830 kWh a year, most of it between April and September.
What would 12 solar panels cost in Denbighshire?
£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 Denbighshire differs is output: about 5,830 kWh a year from that system.
Do I need permission from the DNO for solar in Denbighshire?
Usually not in advance. SP Energy Networks, the network operator for Denbighshire, 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. 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. "See our DNO explainer.
How much would export pay on a system in Denbighshire?
It is exported. With typical use and no battery, about 4,895 kWh of the 5,830 kWh a 12-panel system makes in Denbighshire goes to the grid, around £587 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 Denbighshire?
Yes, at a lower level. PVGIS gives Denbighshire 26.3 kWh per kWp in December and 30 in January, so a 12-panel system makes about 170 kWh and 190 kWh in those months, against 760 kWh in May. Winter output mostly covers daytime use rather than exporting.
Towns we cover in Denbighshire
8 Denbighshire towns have their own page, each with PVGIS figures, a network operator and a monthly curve for its own location.
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.
Reading for Denbighshire homeowners
The same guidance we would talk through on your call, written down and sourced.
Why solar panels stop working, and how to work out which one it is
There is an order to this, and it starts at the inverter display rather than the roof.
Read the guide →Tesla Powerwall 3 against the alternatives, and where each one wins
The strongest single box in the market, and the houses it is still wrong for.
Read the guide →How solar aware EV charging actually works
The CT clamp, the surplus tracking and the 1.4kW floor that catches people out.
Read the guide →Which homes suit a heat pump, and which need work first
The trial data says no property type is unsuitable. Design quality decides the outcome.
Read the guide →Which tariffs are actually built for battery charging
A battery buys cheap and uses dear. The tariff decides how much that is worth.
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.