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Solar panel cost in Argyll and Bute (PA37)

See realistic solar installation costs, savings and payback for PA37 (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

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
12.6 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£645
What you save every year
Profit Over 25 Years
£7,996
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 779 kWh/kW — 36 below 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 779 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)
779 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: £645, Upfront: £8,139, Break-even: 12.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 623 kWh 935 kWh £165 £93 £258 £3,256 12.6 yrs £1,908
3 kW 2337 kWh 935 kWh 1402 kWh £247 £140 £387 £4,883 12.6 yrs £2,861
4 kW 3116 kWh 1247 kWh 1870 kWh £329 £187 £516 £6,511 12.6 yrs £3,815
5 kW 3895 kWh 1558 kWh 2337 kWh £412 £234 £645 £8,139 12.6 yrs £4,769
6 kW 4674 kWh 1870 kWh 2805 kWh £494 £280 £774 £9,767 12.6 yrs £5,723
7 kW 5453 kWh 2181 kWh 3272 kWh £576 £327 £904 £11,394 12.6 yrs £6,676
8 kW 6233 kWh 2493 kWh 3740 kWh £659 £374 £1,033 £13,022 12.6 yrs £7,630

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: £773, Upfront: £10,239, Break-even: 13.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 935 kWh 623 kWh £247 £62 £309 £5,356 17.3 yrs £831
3 kW 2337 kWh 1402 kWh 935 kWh £370 £93 £464 £6,983 15.1 yrs £2,296
4 kW 3116 kWh 1870 kWh 1247 kWh £494 £125 £619 £8,611 13.9 yrs £3,762
5 kW 3895 kWh 2337 kWh 1558 kWh £617 £156 £773 £10,239 13.2 yrs £5,227
6 kW 4674 kWh 2805 kWh 1870 kWh £741 £187 £928 £11,867 12.8 yrs £6,693
7 kW 5453 kWh 3272 kWh 2181 kWh £864 £218 £1,083 £13,494 12.5 yrs £8,158
8 kW 6233 kWh 3740 kWh 2493 kWh £988 £249 £1,237 £15,122 12.2 yrs £9,624

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: £837, Upfront: £11,639, Break-even: 13.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 1091 kWh 467 kWh £288 £47 £335 £6,756 20.2 yrs £-57
3 kW 2337 kWh 1636 kWh 701 kWh £432 £70 £502 £8,383 16.7 yrs £1,664
4 kW 3116 kWh 2181 kWh 935 kWh £576 £93 £670 £10,011 14.9 yrs £3,385
5 kW 3895 kWh 2727 kWh 1169 kWh £720 £117 £837 £11,639 13.9 yrs £5,107
6 kW 4674 kWh 3272 kWh 1402 kWh £864 £140 £1,005 £13,267 13.2 yrs £6,828
7 kW 5453 kWh 3817 kWh 1636 kWh £1,009 £164 £1,172 £14,894 12.7 yrs £8,549
8 kW 6233 kWh 4363 kWh 1870 kWh £1,153 £187 £1,340 £16,522 12.3 yrs £10,270

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: £856, Upfront: £13,389, Break-even: 15.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 1137 kWh 421 kWh £301 £42 £343 £8,506 24.8 yrs £-1,654
3 kW 2337 kWh 1706 kWh 631 kWh £451 £63 £514 £10,133 19.7 yrs £144
4 kW 3116 kWh 2275 kWh 841 kWh £601 £84 £685 £11,761 17.2 yrs £1,942
5 kW 3895 kWh 2844 kWh 1052 kWh £751 £105 £856 £13,389 15.6 yrs £3,740
6 kW 4674 kWh 3412 kWh 1262 kWh £902 £126 £1,028 £15,017 14.6 yrs £5,538
7 kW 5453 kWh 3981 kWh 1472 kWh £1,052 £147 £1,199 £16,644 13.9 yrs £7,336
8 kW 6233 kWh 4550 kWh 1683 kWh £1,202 £168 £1,370 £18,272 13.3 yrs £9,134

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: £869, Upfront: £15,139, Break-even: 17.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 1169 kWh 390 kWh £309 £39 £348 £10,256 29.5 yrs £-3,302
3 kW 2337 kWh 1753 kWh 584 kWh £463 £58 £522 £11,883 22.8 yrs £-1,452
4 kW 3116 kWh 2337 kWh 779 kWh £617 £78 £695 £13,511 19.4 yrs £397
5 kW 3895 kWh 2922 kWh 974 kWh £772 £97 £869 £15,139 17.4 yrs £2,246
6 kW 4674 kWh 3506 kWh 1169 kWh £926 £117 £1,043 £16,767 16.1 yrs £4,095
7 kW 5453 kWh 4090 kWh 1363 kWh £1,081 £136 £1,217 £18,394 15.1 yrs £5,945
8 kW 6233 kWh 4674 kWh 1558 kWh £1,235 £156 £1,391 £20,022 14.4 yrs £7,794

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: £882, Upfront: £17,589, Break-even: 19.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1558 kWh 1200 kWh 358 kWh £317 £36 £353 £12,706 36.0 yrs £-5,649
3 kW 2337 kWh 1800 kWh 538 kWh £475 £54 £529 £14,333 27.1 yrs £-3,749
4 kW 3116 kWh 2400 kWh 717 kWh £634 £72 £706 £15,961 22.6 yrs £-1,848
5 kW 3895 kWh 2999 kWh 896 kWh £792 £90 £882 £17,589 19.9 yrs £52
6 kW 4674 kWh 3599 kWh 1075 kWh £951 £108 £1,058 £19,217 18.2 yrs £1,952
7 kW 5453 kWh 4199 kWh 1254 kWh £1,109 £125 £1,235 £20,844 16.9 yrs £3,853
8 kW 6233 kWh 4799 kWh 1433 kWh £1,268 £143 £1,411 £22,472 15.9 yrs £5,753

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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Understand DNO, G98 and G99 export limits

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Insights for PA37

Figures below are tailored to PA37 — click through for full league tables.

Solar Payback Index Rank #2928 of 2996
14.2 years (UK avg 10.8 years)
~£516 /yr • £7,307 upfront
Standing-Charge Drag Rank #2905 of 2996
40.7% (UK avg 26.6%) drag on savings
£210 fixed • ~£516 /yr value
Aspect Penalty View ranking →
East −18.9% West −19.3%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PA37

Monthly generation per kilowatt of solar panels

kWh 17 Jan 35 Feb 68 Mar 100 Apr 112 May 106 Jun 103 Jul 90 Aug 65 Sep 44 Oct 26 Nov 14 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 34.1% 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 22 kWh per month; the average month produces around 65 kWh. So a typical 4 kW home system would generate roughly 89 kWh in winter, or 260 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
57.55p/day
Local Sunshine
779kWh/kW
A 1 kW system generates ~779 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 North and Lorn, 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.

Compare nearby areas

Nearby in Northern Scotland

PA34 (Argyll and Bute)
≈6.9 km away
Local sunshine: ~782 kWh/kWp · +0% vs PA37
PA35 (Argyll and Bute)
≈10.3 km away
Local sunshine: ~729 kWh/kWp · -6% vs PA37
PA38 (Argyll and Bute)
≈12.9 km away
Local sunshine: ~694 kWh/kWp · -11% vs PA37
PA64 (Argyll and Bute)
≈18.0 km away
Local sunshine: ~778 kWh/kWp · -0% vs PA37
PA65 (Argyll and Bute)
≈19.7 km away
Local sunshine: ~743 kWh/kWp · -5% vs PA37
PA63 (Argyll and Bute)
≈21.3 km away
Local sunshine: ~791 kWh/kWp · +2% vs PA37

Similar sunshine across the UK

LL27 (Conwy)
~777 kWh/kWp · -0% vs PA37
LL21 (Denbighshire)
~785 kWh/kWp · +1% vs PA37
PA14 (Inverclyde)
~772 kWh/kWp · -1% vs PA37