Glamorgan
Solar panels in Pontypridd, designed on a free call.
A 12-panel roof in Pontypridd makes about 6,340 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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How much a Pontypridd roof makes, month by month
Pontypridd's best month is May, at 126.1 kWh per kWp; December manages 31.2. Over the year that comes to 997 kWh per kWp, 6% above our Glamorgan county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 34.7 |
| February | 52.2 |
| March | 87.5 |
| April | 116 |
| May | 126 |
| June | 123 |
| July | 123 |
| August | 108 |
| September | 92.3 |
| October | 60.9 |
| November | 42.6 |
| December | 31.2 |
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 997, Pontypridd is 8% above it.
How Pontypridd compares
Among the places we publish figures for, Pontypridd is one of 32 Glamorgan towns we track, and it ranks 18th of 32 for solar yield. It is a medium town in the House of Commons Library classification, with 33,675 residents, and its roofs see 2.73 peak sun hours a day across the year. That drives the standard 12 panel model to 6,341 kWh of generation, of which around 5,404 kWh is exported at 12p for £649 a year, with £247 saved on electricity you would otherwise buy at 26.32p.
These are starting numbers, not a quote. The calculator below opens on Pontypridd'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.
Any planning application in Pontypridd sits with Rhondda Cynon Taf, and its official House of Commons Library settlement class is 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.
The figures use PVGIS for the centre of Pontypridd (51.5982, -3.32576), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
NGED and your Pontypridd connection
National Grid Electricity Distribution (NGED) owns and runs the local electricity network in Pontypridd, as part of its South Wales 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: NGED is notified within 28 days of commissioning and nothing has to be approved first.
Above that, G99 means applying before the work is booked. 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 Pontypridd
A heat pump in Pontypridd
Heating demand peaks when solar is weakest. In Pontypridd, a 12-panel system makes about 200 kWh in December and 220 kWh in January, a fraction of its 800 kWh in May, which is why a heat pump here is costed on its tariff first.
In Wales, 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 Pontypridd
Pontypridd's May output, about 800 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 Pontypridd
If a system in Pontypridd is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Pontypridd solar questions
How much energy would 12 solar panels make in Pontypridd?
Pontypridd averages 2.73 peak sun hours a day, which PVGIS turns into 997 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,340 kWh, 69% of it between April and September.
Is solar more expensive in Pontypridd?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Pontypridd, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 6,340 kWh a year here, which is what drives payback.
Who is the network operator in Pontypridd, and do I need a G99 application?
The operator is National Grid Electricity Distribution (NGED). 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. NGED's guaranteed standards give 45 working days for a low voltage generation quotation, with £80 paid for each working day late. Your design call checks which route yours needs.
What could I earn from exporting in Pontypridd?
On the 12p export scenario, a 12-panel system in Pontypridd sends about 5,404 kWh a year to the grid, worth around £649. The export rates table compares what each supplier pays.
How does solar perform in Pontypridd in the winter months?
December is the weakest month in Pontypridd: about 200 kWh from 12 panels, against 800 kWh in May. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Pontypridd 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 Pontypridd |
|---|---|---|
| Pontypridd | 997 | this town |
| Church Village | 1,001 | +4 kWh |
| Porth | 961 | −36 kWh |
| Caerphilly | 1,018 | +21 kWh |
| Tonyrefail | 991 | −6 kWh |
| Ystrad Mynach | 991 | −6 kWh |
| Tonypandy | 956 | −41 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 Pontypridd: Solar panels in Pontypridd from OVO Solar & Battery
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Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Further reading for Pontypridd
Sourced, dated and written by us. The same ground we cover on your free call.
Back contact solar panels, explained for a UK roof
What back contact changes on a roof, compared fairly with TOPCon, with the makers' own claims labelled.
Read the guide →How much a battery saves by charging on cheap night rates
What charging at 8.5p and using at 26.32p is actually worth over a year.
Read the guide →What an EV charger installation actually involves
Main fuse, DNO notification, load balancing and the paperwork. What really happens.
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 →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.