Perthshire
Solar panels in Perth, priced before anyone visits.
A 12-panel roof in Perth makes about 5,730 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
Get my free quote
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.
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 Perth roof makes, month by month
PVGIS puts Perth at 901 kWh per kWp a year, 19% above our Perthshire county estimate. 72% of it arrives between April and September, peaking in May.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 24.3 |
| February | 45.1 |
| March | 76.6 |
| April | 110 |
| May | 125 |
| June | 112 |
| July | 118 |
| August | 100 |
| September | 82.8 |
| October | 52.9 |
| November | 35.3 |
| December | 19 |
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 901, Perth is 3% below it.
How Perth compares
Among the places we publish figures for, Perth is one of 3 Perthshire towns we track, and it ranks 2nd of 3 for solar yield. It is a medium town in the House of Commons Library classification, with 46,379 residents, and its roofs see 2.47 peak sun hours a day across the year. That drives the standard 12 panel model to 5,730 kWh of generation, of which around 4,794 kWh is exported at 12p for £575 a year, with £247 saved on electricity you would otherwise buy at 26.32p.
Treat these as calibration rather than a quote. The calculator below runs the same model, opened on Perth's own yield, and prices a 12 panel system at £6,360 installed before any battery. Your free design call reworks every number for your actual roof, its shading and your usage.
Planning applications here go through Perth and Kinross; nationally, the House of Commons Library classes Perth 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.
The figures use PVGIS for the centre of Perth (56.39547, -3.4389), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
SSEN and your Perth connection
Perth is served by Scottish and Southern Electricity Networks (SSEN): the town's centre falls inside its North Scotland licence area on NESO's boundary map.
Most home systems stay within 3.68kW per phase of inverter output, which puts them on G98, a notification to SSEN within 28 days of switch-on. Panel count does not decide it; the inverter and any battery do.
Larger systems go through G99 instead, applied for before installation. On timing: SSEN says it can take up to 45 working days to issue a quotation for a generation connection above 3.68kW per phase and up to 50kW.
Sources: NESO DNO licence areas (3 May 2024); SSEN, micro-generation connections page, checked 25 September 2026. G98 vs G99, explained.
Heat pumps and EV charging in Perth
A heat pump in Perth
In December, the darkest month here, 12 panels in Perth make about 120 kWh. That is when a heat pump runs hardest, so its running cost in Perth comes down to the tariff and the flow temperature rather than the roof.
In Scotland, Home Energy Scotland offers a grant of up to £7,500 towards a heat pump, an optional interest-free loan of up to £7,500 on top, and £1,500 more for rural and island homes (Home Energy Scotland, checked 28 September 2026).
Charging an EV in Perth
Summer is where a car earns its place. In May, 12 panels in Perth make about 800 kWh, against roughly 70 kWh a typical home uses in daylight that month on our calculator's typical-use settings, so there is surplus a smart charger can put into the car instead of exporting it.
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).
Installed prices, the same in every town
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Perth
If a system in Perth is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Perth solar questions
How much energy would 12 solar panels make in Perth?
Perth averages 2.47 peak sun hours a day, which PVGIS turns into 901 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 5,730 kWh, 72% of it between April and September.
What does a typical solar system cost in Perth?
Solar is priced at £1,000 per kWp installed wherever you live, so a 12-panel, 6.36 kWp system costs £6,360 in Perth, exactly as it would anywhere else, before any battery. Location changes what the system makes, not what it costs: here that is about 5,730 kWh a year. The final figure comes from your roof on the design call.
Who is the network operator in Perth, and do I need a G99 application?
The operator is Scottish and Southern Electricity Networks (SSEN). 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. SSEN says it can take up to 45 working days to issue a quotation for a generation connection above 3.68kW per phase and up to 50kW. Your design call checks which route yours needs.
What happens to the solar I do not use in Perth?
Around £575 a year at 12p per kWh, for the roughly 4,794 kWh a 12-panel system in Perth exports with typical use. Rates vary by supplier and some need their own tariff; the export rates table is dated and sourced.
How does solar perform in Perth in the winter months?
December is the weakest month in Perth: about 120 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 Perth compares with its neighbours
How the towns nearest Perth compare on the same PVGIS settings, closest first.
| Town | kWh per kWp a year | vs Perth |
|---|---|---|
| Perth | 901 | this town |
| Blairgowrie and Rattray | 902 | +1 kWh |
| Cupar | 940 | +39 kWh |
| Glenrothes | 903 | +2 kWh |
| Dundee | 935 | +34 kWh |
| Cowdenbeath | 899 | −2 kWh |
| Methil | 890 | −11 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.
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 Perth homeowners
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.
Read the guide →Tesla Powerwall 3 vs Duracell Dura16: which fits your home?
The two packages we actually price, compared on the numbers that decide it.
Read the guide →Home EV charger types and speeds, explained properly
Granny cable, 7kW wall unit or 22kW three phase. What each adds per hour, and which you need.
Read the guide →How much does a heat pump cost? The 2026 numbers, before and after the grant
UK median installed cost around £12,908, before the up to £7,500 grant comes off.
Read the guide →EV tariffs compared: the cheapest overnight windows
Overnight rates of 6.99p to 9p against a 26.32p capped average, compared.
Read the guide →What MCS certification actually is, and why your export payments depend on it
The badge that decides whether your solar earns export payments. It cannot be added later.
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.