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Solar panel cost in Perth and Kinross (PH8)

See realistic solar installation costs, savings and payback for PH8 (Perth and Kinross) in under a minute using official UK data. Start with the calculator, then get a no-obligation quote from an MCS-certified installer. You can also ask the SolarByPostcode assistant to sanity-check your roof, bills and plans.

Solar Calculator

Change the settings below to see how costs and savings work for your situation.

System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
11.8 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£687
What you save every year
Profit Over 25 Years
£9,047
After paying itself off, you're this much ahead

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How we calculate this

Solar generation: Based on typical south-facing roof at 35° angle. We account for weather, dirt, and system losses (14%).

How much you'll use directly:

  • Without battery: You'll use about 40% of what you generate. The rest gets sold back to the grid.
  • With 5 kWh battery: You'll use about 70% (battery stores extra for evening use).
  • With 10 kWh battery: You'll use about 75% (more storage means less exported).
  • Panel-only payback: The official cost per kW is lower above 4 kW, so a 5–6 kW system can pay back a little faster than a 3–4 kW system on otherwise identical assumptions.
  • Battery & payback: Batteries raise self-use and cut bills, but added hardware cost often lengthens break-even at typical UK rates.
  • When a battery can still make sense:
    • Evening-heavy usage patterns
    • Time-of-use tariffs / cheap night rates
    • Low export rate vs. high unit rate
    • Heat pump or EV charging synergy
    • Optional backup/resilience (system-dependent)
    • Lower evening-hour CO₂ vs. grid

Panel costs: Uses March 2026 TIC mean installation costs: £1,827/kW up to 4 kW and £1,628/kW above 4 kW.

Other costs: Battery prices are modelled at £700 per kWh. Export tariffs vary by supplier (usually 5–15p per kWh).

Grid connection: Systems up to about 3.7 kW typically need just a notification (G98). Larger systems may need permission (G99).

These are typical values based on average usage patterns. Your actual results will vary based on your roof, shading, and how you use electricity.

Your area in context

In Northern Scotland, the current unit rate is 26.42p/kWh with a 57.55p/day standing charge. Your postcode’s south-facing sunshine yield is 830 kWh/kW — 15 above the regional median (815).

Read the full story

A typical roof here lands around 5.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 830 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
57.5p/day
Sunshine yield (south)
830 kWh/kW
Export price (baseline)
10p/kWh

Browse the scenarios below. Each battery size has its own expand — open the one that matches your plan (or just explore). For each system size (2–8 kW) we show annual output, how much you use directly, what gets exported, annual benefit, upfront cost, break-even, and a 20-year net. Negative numbers are possible — that’s the honest trade-off when adding more battery than your usage profile justifies.

No battery 5 kW example → Annual benefit: £687, Upfront: £8,139, Break-even: 11.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 664 kWh 996 kWh £175 £100 £275 £3,256 11.8 yrs £2,244
3 kW 2489 kWh 996 kWh 1494 kWh £263 £149 £412 £4,883 11.8 yrs £3,366
4 kW 3319 kWh 1328 kWh 1992 kWh £351 £199 £550 £6,511 11.8 yrs £4,488
5 kW 4149 kWh 1660 kWh 2489 kWh £438 £249 £687 £8,139 11.8 yrs £5,609
6 kW 4979 kWh 1992 kWh 2987 kWh £526 £299 £825 £9,767 11.8 yrs £6,731
7 kW 5809 kWh 2323 kWh 3485 kWh £614 £349 £962 £11,394 11.8 yrs £7,853
8 kW 6638 kWh 2655 kWh 3983 kWh £702 £398 £1,100 £13,022 11.8 yrs £8,975

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £824, Upfront: £10,239, Break-even: 12.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 996 kWh 664 kWh £263 £66 £329 £5,356 16.3 yrs £1,234
3 kW 2489 kWh 1494 kWh 996 kWh £395 £100 £494 £6,983 14.1 yrs £2,901
4 kW 3319 kWh 1992 kWh 1328 kWh £526 £133 £659 £8,611 13.1 yrs £4,568
5 kW 4149 kWh 2489 kWh 1660 kWh £658 £166 £824 £10,239 12.4 yrs £6,235
6 kW 4979 kWh 2987 kWh 1992 kWh £789 £199 £988 £11,867 12.0 yrs £7,902
7 kW 5809 kWh 3485 kWh 2323 kWh £921 £232 £1,153 £13,494 11.7 yrs £9,568
8 kW 6638 kWh 3983 kWh 2655 kWh £1,052 £266 £1,318 £15,122 11.5 yrs £11,235

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £892, Upfront: £11,639, Break-even: 13.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 1162 kWh 498 kWh £307 £50 £357 £6,756 18.9 yrs £379
3 kW 2489 kWh 1743 kWh 747 kWh £460 £75 £535 £8,383 15.7 yrs £2,318
4 kW 3319 kWh 2323 kWh 996 kWh £614 £100 £713 £10,011 14.0 yrs £4,258
5 kW 4149 kWh 2904 kWh 1245 kWh £767 £124 £892 £11,639 13.1 yrs £6,197
6 kW 4979 kWh 3485 kWh 1494 kWh £921 £149 £1,070 £13,267 12.4 yrs £8,137
7 kW 5809 kWh 4066 kWh 1743 kWh £1,074 £174 £1,249 £14,894 11.9 yrs £10,076
8 kW 6638 kWh 4647 kWh 1992 kWh £1,228 £199 £1,427 £16,522 11.6 yrs £12,015

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £912, Upfront: £13,389, Break-even: 14.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 1212 kWh 448 kWh £320 £45 £365 £8,506 23.3 yrs £-1,208
3 kW 2489 kWh 1817 kWh 672 kWh £480 £67 £547 £10,133 18.5 yrs £814
4 kW 3319 kWh 2423 kWh 896 kWh £640 £90 £730 £11,761 16.1 yrs £2,835
5 kW 4149 kWh 3029 kWh 1120 kWh £800 £112 £912 £13,389 14.7 yrs £4,856
6 kW 4979 kWh 3635 kWh 1344 kWh £960 £134 £1,095 £15,017 13.7 yrs £6,877
7 kW 5809 kWh 4240 kWh 1568 kWh £1,120 £157 £1,277 £16,644 13.0 yrs £8,898
8 kW 6638 kWh 4846 kWh 1792 kWh £1,280 £179 £1,460 £18,272 12.5 yrs £10,919

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £926, Upfront: £15,139, Break-even: 16.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 1245 kWh 415 kWh £329 £41 £370 £10,256 27.7 yrs £-2,849
3 kW 2489 kWh 1867 kWh 622 kWh £493 £62 £556 £11,883 21.4 yrs £-773
4 kW 3319 kWh 2489 kWh 830 kWh £658 £83 £741 £13,511 18.2 yrs £1,303
5 kW 4149 kWh 3112 kWh 1037 kWh £822 £104 £926 £15,139 16.4 yrs £3,378
6 kW 4979 kWh 3734 kWh 1245 kWh £987 £124 £1,111 £16,767 15.1 yrs £5,454
7 kW 5809 kWh 4357 kWh 1452 kWh £1,151 £145 £1,296 £18,394 14.2 yrs £7,530
8 kW 6638 kWh 4979 kWh 1660 kWh £1,315 £166 £1,481 £20,022 13.5 yrs £9,605

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £939, Upfront: £17,589, Break-even: 18.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1660 kWh 1278 kWh 382 kWh £338 £38 £376 £12,706 33.8 yrs £-5,190
3 kW 2489 kWh 1917 kWh 573 kWh £506 £57 £564 £14,333 25.4 yrs £-3,059
4 kW 3319 kWh 2556 kWh 763 kWh £675 £76 £752 £15,961 21.2 yrs £-929
5 kW 4149 kWh 3195 kWh 954 kWh £844 £95 £939 £17,589 18.7 yrs £1,201
6 kW 4979 kWh 3834 kWh 1145 kWh £1,013 £115 £1,127 £19,217 17.0 yrs £3,331
7 kW 5809 kWh 4473 kWh 1336 kWh £1,182 £134 £1,315 £20,844 15.8 yrs £5,461
8 kW 6638 kWh 5112 kWh 1527 kWh £1,350 £153 £1,503 £22,472 14.9 yrs £7,591

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

Figures are illustrative and use the same method as the calculator above. For exact results, adjust your roof direction, tariff, and usage in the calculator.

Before you request quotes in Perth and Kinross

Use the numbers above to sanity-check installer quotes. The main things to compare are system size, battery assumptions, payback claims, MCS certification, DNO paperwork and export assumptions.

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Understand DNO, G98 and G99 export limits

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Insights for PH8

Figures below are tailored to PH8 — click through for full league tables.

Solar Payback Index Rank #2856 of 2996
13.3 years (UK avg 10.8 years)
~£550 /yr • £7,307 upfront
Standing-Charge Drag Rank #2748 of 2996
38.2% (UK avg 26.6%) drag on savings
£210 fixed • ~£550 /yr value
Aspect Penalty View ranking →
East −19.5% West −19.8%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PH8

Monthly generation per kilowatt of solar panels

kWh 15 Jan 42 Feb 77 Mar 104 Apr 116 May 108 Jun 113 Jul 96 Aug 77 Sep 51 Oct 27 Nov 3 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 28.9% of an average month (Dec–Feb)

Best / worst month: May / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 20 kWh per month; the average month produces around 69 kWh. So a typical 4 kW home system would generate roughly 80 kWh in winter, or 277 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
57.55p/day
Local Sunshine
830kWh/kW
A 1 kW system generates ~830 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
5.0kW
For houses & bungalows in this area

Local Property Data

Property Types

No EPC data available for this outcode

Coverage

Perth and Kinross (100%)

Areas Covered

Strathtay, Blairgowrie and Glens, Strathearn

Data Sources & Assumptions

Solar yield: PVGIS (EU Joint Research Centre), January 2025 data

Electricity rates: Ofgem price cap, Q3 2026

Installation costs: DESNZ/MCS data, March 2026 (TIC)

Property data: EPC open data (Open Government Licence), aggregated

All estimates are typical values. Actual results vary based on your specific situation, roof characteristics, and usage patterns.

Compare nearby areas

Nearby in Northern Scotland

PH9 (Perth and Kinross)
≈12.3 km away
Local sunshine: ~824 kWh/kWp · -1% vs PH8
PH10 (Perth and Kinross)
≈15.1 km away
Local sunshine: ~888 kWh/kWp · +7% vs PH8
PH16 (Perth and Kinross)
≈18.5 km away
Local sunshine: ~825 kWh/kWp · -1% vs PH8
PH1 (Perth and Kinross)
≈18.7 km away
Local sunshine: ~877 kWh/kWp · +6% vs PH8
PH15 (Perth and Kinross)
≈18.8 km away
Local sunshine: ~804 kWh/kWp · -3% vs PH8
PH13 (Perth and Kinross)
≈18.9 km away
Local sunshine: ~886 kWh/kWp · +7% vs PH8

Similar sunshine across the UK

LL46 (Gwynedd)
~830 kWh/kWp · +0% vs PH8
SK13 (High Peak)
~830 kWh/kWp · -0% vs PH8
G11 (Glasgow City)
~830 kWh/kWp · +0% vs PH8