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Solar panel cost in South Lanarkshire (ML9)

See realistic solar installation costs, savings and payback for ML9 (South Lanarkshire) 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
£9,767
What you pay to get started
Annual Benefit
£827
What you save every year
Profit Over 25 Years
£10,899
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 Southern Scotland, the current unit rate is 25.85p/kWh with a 64.17p/day standing charge. Your postcode’s south-facing sunshine yield is 843 kWh/kW — 7 below the regional median (850).

Read the full story

A typical roof here lands around 6.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 843 kWh per year on a south-facing roof. We value self-used electricity at 25.9p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.9p/kWh
Standing charge
64.2p/day
Sunshine yield (south)
843 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: £689, 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 1686 kWh 675 kWh 1012 kWh £174 £101 £276 £3,256 11.8 yrs £2,255
3 kW 2529 kWh 1012 kWh 1518 kWh £262 £152 £413 £4,883 11.8 yrs £3,383
4 kW 3373 kWh 1349 kWh 2024 kWh £349 £202 £551 £6,511 11.8 yrs £4,511
5 kW 4216 kWh 1686 kWh 2529 kWh £436 £253 £689 £8,139 11.8 yrs £5,638
6 kW 5059 kWh 2024 kWh 3035 kWh £523 £304 £827 £9,767 11.8 yrs £6,766
7 kW 5902 kWh 2361 kWh 3541 kWh £610 £354 £964 £11,394 11.8 yrs £7,894
8 kW 6745 kWh 2698 kWh 4047 kWh £697 £405 £1,102 £13,022 11.8 yrs £9,021

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: £822, 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 1686 kWh 1012 kWh 675 kWh £262 £67 £329 £5,356 16.3 yrs £1,224
3 kW 2529 kWh 1518 kWh 1012 kWh £392 £101 £493 £6,983 14.2 yrs £2,887
4 kW 3373 kWh 2024 kWh 1349 kWh £523 £135 £658 £8,611 13.1 yrs £4,549
5 kW 4216 kWh 2529 kWh 1686 kWh £654 £169 £822 £10,239 12.4 yrs £6,211
6 kW 5059 kWh 3035 kWh 2024 kWh £785 £202 £987 £11,867 12.0 yrs £7,873
7 kW 5902 kWh 3541 kWh 2361 kWh £915 £236 £1,151 £13,494 11.7 yrs £9,535
8 kW 6745 kWh 4047 kWh 2698 kWh £1,046 £270 £1,316 £15,122 11.5 yrs £11,198

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: £889, 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 1686 kWh 1180 kWh 506 kWh £305 £51 £356 £6,756 19.0 yrs £359
3 kW 2529 kWh 1771 kWh 759 kWh £458 £76 £534 £8,383 15.7 yrs £2,288
4 kW 3373 kWh 2361 kWh 1012 kWh £610 £101 £711 £10,011 14.1 yrs £4,218
5 kW 4216 kWh 2951 kWh 1265 kWh £763 £126 £889 £11,639 13.1 yrs £6,147
6 kW 5059 kWh 3541 kWh 1518 kWh £915 £152 £1,067 £13,267 12.4 yrs £8,077
7 kW 5902 kWh 4131 kWh 1771 kWh £1,068 £177 £1,245 £14,894 12.0 yrs £10,006
8 kW 6745 kWh 4722 kWh 2024 kWh £1,221 £202 £1,423 £16,522 11.6 yrs £11,936

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: £909, 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 1686 kWh 1231 kWh 455 kWh £318 £46 £364 £8,506 23.4 yrs £-1,231
3 kW 2529 kWh 1846 kWh 683 kWh £477 £68 £546 £10,133 18.6 yrs £779
4 kW 3373 kWh 2462 kWh 911 kWh £636 £91 £727 £11,761 16.2 yrs £2,789
5 kW 4216 kWh 3077 kWh 1138 kWh £796 £114 £909 £13,389 14.7 yrs £4,798
6 kW 5059 kWh 3693 kWh 1366 kWh £955 £137 £1,091 £15,017 13.8 yrs £6,808
7 kW 5902 kWh 4308 kWh 1594 kWh £1,114 £159 £1,273 £16,644 13.1 yrs £8,818
8 kW 6745 kWh 4924 kWh 1821 kWh £1,273 £182 £1,455 £18,272 12.6 yrs £10,827

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: £923, 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 1686 kWh 1265 kWh 422 kWh £327 £42 £369 £10,256 27.8 yrs £-2,874
3 kW 2529 kWh 1897 kWh 632 kWh £490 £63 £554 £11,883 21.5 yrs £-811
4 kW 3373 kWh 2529 kWh 843 kWh £654 £84 £738 £13,511 18.3 yrs £1,253
5 kW 4216 kWh 3162 kWh 1054 kWh £817 £105 £923 £15,139 16.4 yrs £3,316
6 kW 5059 kWh 3794 kWh 1265 kWh £981 £126 £1,107 £16,767 15.1 yrs £5,379
7 kW 5902 kWh 4427 kWh 1476 kWh £1,144 £148 £1,292 £18,394 14.2 yrs £7,442
8 kW 6745 kWh 5059 kWh 1686 kWh £1,308 £169 £1,476 £20,022 13.6 yrs £9,505

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: £936, Upfront: £17,589, Break-even: 18.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1686 kWh 1298 kWh 388 kWh £336 £39 £374 £12,706 33.9 yrs £-5,217
3 kW 2529 kWh 1948 kWh 582 kWh £503 £58 £562 £14,333 25.5 yrs £-3,100
4 kW 3373 kWh 2597 kWh 776 kWh £671 £78 £749 £15,961 21.3 yrs £-984
5 kW 4216 kWh 3246 kWh 970 kWh £839 £97 £936 £17,589 18.8 yrs £1,133
6 kW 5059 kWh 3895 kWh 1164 kWh £1,007 £116 £1,123 £19,217 17.1 yrs £3,250
7 kW 5902 kWh 4545 kWh 1357 kWh £1,175 £136 £1,311 £20,844 15.9 yrs £5,366
8 kW 6745 kWh 5194 kWh 1551 kWh £1,343 £155 £1,498 £22,472 15.0 yrs £7,483

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 South Lanarkshire

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 ML9

Figures below are tailored to ML9 — click through for full league tables.

Solar Payback Index Rank #2411 of 2996
11.8 years (UK avg 10.8 years)
~£826 /yr • £9,767 upfront
Standing-Charge Drag Rank #1910 of 2996
28.3% (UK avg 26.6%) drag on savings
£234 fixed • ~£826 /yr value
Aspect Penalty View ranking →
East −19.9% West −19.7%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in ML9

Monthly generation per kilowatt of solar panels

kWh 24 Jan 41 Feb 72 Mar 101 Apr 114 May 107 Jun 108 Jul 96 Aug 75 Sep 52 Oct 34 Nov 19 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 39.9% 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 28 kWh per month; the average month produces around 70 kWh. So a typical 4 kW home system would generate roughly 112 kWh in winter, or 281 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.85p/kWh
Daily Fixed Charge
64.17p/day
Local Sunshine
843kWh/kW
A 1 kW system generates ~843 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
6.0kW
For houses & bungalows in this area

Local Property Data

Property Types

No EPC data available for this outcode

Coverage

South Lanarkshire (100%)

Areas Covered

Larkhall, Avondale and Stonehouse, Hamilton North and East, Clydesdale South

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 Southern Scotland

ML2 (North Lanarkshire)
≈6.0 km away
Local sunshine: ~833 kWh/kWp · -1% vs ML9
ML3 (South Lanarkshire)
≈6.8 km away
Local sunshine: ~849 kWh/kWp · +1% vs ML9
ML1 (North Lanarkshire)
≈7.0 km away
Local sunshine: ~844 kWh/kWp · +0% vs ML9
ML10 (South Lanarkshire)
≈8.2 km away
Local sunshine: ~844 kWh/kWp · +0% vs ML9
ML8 (South Lanarkshire)
≈8.3 km away
Local sunshine: ~827 kWh/kWp · -2% vs ML9
ML4 (North Lanarkshire)
≈10.2 km away
Local sunshine: ~833 kWh/kWp · -1% vs ML9

Similar sunshine across the UK

BT76 (Mid Ulster)
~843 kWh/kWp · -0% vs ML9
LL59 (Isle of Anglesey)
~843 kWh/kWp · +0% vs ML9
BT92 (Fermanagh and Omagh)
~843 kWh/kWp · -0% vs ML9