Solar panel cost in Argyll and Bute (PA62)

See realistic solar installation costs, savings and payback for PA62 (Argyll and Bute) 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

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System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
11.9 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
£9,028
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

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 829 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)
829 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: 11.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1658 kWh 663 kWh 995 kWh £175 £99 £275 £3,256 11.9 yrs £2,238
3 kW 2487 kWh 995 kWh 1492 kWh £263 £149 £412 £4,883 11.9 yrs £3,357
4 kW 3316 kWh 1326 kWh 1989 kWh £350 £199 £549 £6,511 11.9 yrs £4,476
5 kW 4145 kWh 1658 kWh 2487 kWh £438 £249 £687 £8,139 11.9 yrs £5,595
6 kW 4973 kWh 1989 kWh 2984 kWh £526 £298 £824 £9,767 11.9 yrs £6,713
7 kW 5802 kWh 2321 kWh 3481 kWh £613 £348 £961 £11,394 11.9 yrs £7,832
8 kW 6631 kWh 2653 kWh 3979 kWh £701 £398 £1,099 £13,022 11.9 yrs £8,951

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: £823, 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 1658 kWh 995 kWh 663 kWh £263 £66 £329 £5,356 16.3 yrs £1,227
3 kW 2487 kWh 1492 kWh 995 kWh £394 £99 £494 £6,983 14.1 yrs £2,890
4 kW 3316 kWh 1989 kWh 1326 kWh £526 £133 £658 £8,611 13.1 yrs £4,553
5 kW 4145 kWh 2487 kWh 1658 kWh £657 £166 £823 £10,239 12.4 yrs £6,217
6 kW 4973 kWh 2984 kWh 1989 kWh £788 £199 £987 £11,867 12.0 yrs £7,880
7 kW 5802 kWh 3481 kWh 2321 kWh £920 £232 £1,152 £13,494 11.7 yrs £9,543
8 kW 6631 kWh 3979 kWh 2653 kWh £1,051 £265 £1,316 £15,122 11.5 yrs £11,207

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: £891, 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 1658 kWh 1160 kWh 497 kWh £307 £50 £356 £6,756 19.0 yrs £371
3 kW 2487 kWh 1741 kWh 746 kWh £460 £75 £534 £8,383 15.7 yrs £2,307
4 kW 3316 kWh 2321 kWh 995 kWh £613 £99 £713 £10,011 14.0 yrs £4,242
5 kW 4145 kWh 2901 kWh 1243 kWh £766 £124 £891 £11,639 13.1 yrs £6,178
6 kW 4973 kWh 3481 kWh 1492 kWh £920 £149 £1,069 £13,267 12.4 yrs £8,113
7 kW 5802 kWh 4062 kWh 1741 kWh £1,073 £174 £1,247 £14,894 11.9 yrs £10,049
8 kW 6631 kWh 4642 kWh 1989 kWh £1,226 £199 £1,425 £16,522 11.6 yrs £11,984

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: £911, 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 1658 kWh 1210 kWh 448 kWh £320 £45 £364 £8,506 23.3 yrs £-1,216
3 kW 2487 kWh 1815 kWh 671 kWh £480 £67 £547 £10,133 18.5 yrs £802
4 kW 3316 kWh 2420 kWh 895 kWh £639 £90 £729 £11,761 16.1 yrs £2,819
5 kW 4145 kWh 3026 kWh 1119 kWh £799 £112 £911 £13,389 14.7 yrs £4,836
6 kW 4973 kWh 3631 kWh 1343 kWh £959 £134 £1,093 £15,017 13.7 yrs £6,853
7 kW 5802 kWh 4236 kWh 1567 kWh £1,119 £157 £1,276 £16,644 13.0 yrs £8,871
8 kW 6631 kWh 4841 kWh 1790 kWh £1,279 £179 £1,458 £18,272 12.5 yrs £10,888

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: £925, 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 1658 kWh 1243 kWh 414 kWh £328 £41 £370 £10,256 27.7 yrs £-2,857
3 kW 2487 kWh 1865 kWh 622 kWh £493 £62 £555 £11,883 21.4 yrs £-785
4 kW 3316 kWh 2487 kWh 829 kWh £657 £83 £740 £13,511 18.3 yrs £1,287
5 kW 4145 kWh 3108 kWh 1036 kWh £821 £104 £925 £15,139 16.4 yrs £3,358
6 kW 4973 kWh 3730 kWh 1243 kWh £985 £124 £1,110 £16,767 15.1 yrs £5,430
7 kW 5802 kWh 4352 kWh 1451 kWh £1,150 £145 £1,295 £18,394 14.2 yrs £7,502
8 kW 6631 kWh 4973 kWh 1658 kWh £1,314 £166 £1,480 £20,022 13.5 yrs £9,573

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: £938, 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 1658 kWh 1277 kWh 381 kWh £337 £38 £375 £12,706 33.8 yrs £-5,198
3 kW 2487 kWh 1915 kWh 572 kWh £506 £57 £563 £14,333 25.5 yrs £-3,072
4 kW 3316 kWh 2553 kWh 763 kWh £675 £76 £751 £15,961 21.3 yrs £-946
5 kW 4145 kWh 3191 kWh 953 kWh £843 £95 £938 £17,589 18.7 yrs £1,181
6 kW 4973 kWh 3830 kWh 1144 kWh £1,012 £114 £1,126 £19,217 17.1 yrs £3,307
7 kW 5802 kWh 4468 kWh 1335 kWh £1,180 £133 £1,314 £20,844 15.9 yrs £5,433
8 kW 6631 kWh 5106 kWh 1525 kWh £1,349 £153 £1,502 £22,472 15.0 yrs £7,559

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 Argyll and Bute

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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Seasonal solar output in PA62

Monthly generation per kilowatt of solar panels

kWh 17 Jan 36 Feb 71 Mar 107 Apr 121 May 116 Jun 112 Jul 97 Aug 68 Sep 44 Oct 25 Nov 15 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 32.8% 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 23 kWh per month; the average month produces around 69 kWh. So a typical 4 kW home system would generate roughly 91 kWh in winter, or 276 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
57.55p/day
Local Sunshine
829kWh/kW
A 1 kW system generates ~829 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

Argyll and Bute (100%)

Areas Covered

Oban South and the Isles

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.