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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in G69 (North Lanarkshire)

See if solar pays off for you in North Lanarkshire — price, savings and payback in under a minute (official UK data).

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
15.2 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£803
What you save every year
Profit Over 25 Years
£7,859
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: Bigger systems don’t shorten payback—cost and savings rise together per kW.
  • 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

Costs: Battery prices are typically £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 25.84p/kWh with a 56.55p/day standing charge. Your postcode’s south-facing sunshine yield is 819 kWh/kW — 31 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 819 kWh per year on a south-facing roof. We value self-used electricity at 25.8p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.8p/kWh
Standing charge
56.5p/day
Sunshine yield (south)
819 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: £669, Upfront: £10,173, Break-even: 15.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 655 kWh 983 kWh £169 £98 £268 £4,069 15.2 yrs £1,282
3 kW 2457 kWh 983 kWh 1474 kWh £254 £147 £401 £6,104 15.2 yrs £1,923
4 kW 3275 kWh 1310 kWh 1965 kWh £339 £197 £535 £8,138 15.2 yrs £2,564
5 kW 4094 kWh 1638 kWh 2457 kWh £423 £246 £669 £10,173 15.2 yrs £3,205
6 kW 4913 kWh 1965 kWh 2948 kWh £508 £295 £803 £12,207 15.2 yrs £3,845
7 kW 5732 kWh 2293 kWh 3439 kWh £592 £344 £936 £14,242 15.2 yrs £4,486
8 kW 6551 kWh 2620 kWh 3931 kWh £677 £393 £1,070 £16,276 15.2 yrs £5,127

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £799, Upfront: £12,273, Break-even: 15.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 983 kWh 655 kWh £254 £66 £319 £6,169 19.3 yrs £219
3 kW 2457 kWh 1474 kWh 983 kWh £381 £98 £479 £8,204 17.1 yrs £1,379
4 kW 3275 kWh 1965 kWh 1310 kWh £508 £131 £639 £10,238 16.0 yrs £2,539
5 kW 4094 kWh 2457 kWh 1638 kWh £635 £164 £799 £12,273 15.4 yrs £3,699
6 kW 4913 kWh 2948 kWh 1965 kWh £762 £197 £958 £14,307 14.9 yrs £4,858
7 kW 5732 kWh 3439 kWh 2293 kWh £889 £229 £1,118 £16,342 14.6 yrs £6,018
8 kW 6551 kWh 3931 kWh 2620 kWh £1,016 £262 £1,278 £18,376 14.4 yrs £7,178

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £863, Upfront: £13,673, Break-even: 15.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 1146 kWh 491 kWh £296 £49 £345 £7,569 21.9 yrs £-662
3 kW 2457 kWh 1720 kWh 737 kWh £444 £74 £518 £9,604 18.5 yrs £757
4 kW 3275 kWh 2293 kWh 983 kWh £592 £98 £691 £11,638 16.8 yrs £2,177
5 kW 4094 kWh 2866 kWh 1228 kWh £741 £123 £863 £13,673 15.8 yrs £3,596
6 kW 4913 kWh 3439 kWh 1474 kWh £889 £147 £1,036 £15,707 15.2 yrs £5,015
7 kW 5732 kWh 4012 kWh 1720 kWh £1,037 £172 £1,209 £17,742 14.7 yrs £6,434
8 kW 6551 kWh 4586 kWh 1965 kWh £1,185 £197 £1,381 £19,776 14.3 yrs £7,853

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £883, Upfront: £15,423, Break-even: 17.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 1196 kWh 442 kWh £309 £44 £353 £9,319 26.4 yrs £-2,256
3 kW 2457 kWh 1793 kWh 663 kWh £463 £66 £530 £11,354 21.4 yrs £-759
4 kW 3275 kWh 2391 kWh 884 kWh £618 £88 £706 £13,388 19.0 yrs £738
5 kW 4094 kWh 2989 kWh 1105 kWh £772 £111 £883 £15,423 17.5 yrs £2,235
6 kW 4913 kWh 3587 kWh 1327 kWh £927 £133 £1,059 £17,457 16.5 yrs £3,732
7 kW 5732 kWh 4184 kWh 1548 kWh £1,081 £155 £1,236 £19,492 15.8 yrs £5,229
8 kW 6551 kWh 4782 kWh 1769 kWh £1,236 £177 £1,413 £21,526 15.2 yrs £6,726

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £896, Upfront: £17,173, Break-even: 19.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 1228 kWh 409 kWh £317 £41 £358 £11,069 30.9 yrs £-3,902
3 kW 2457 kWh 1842 kWh 614 kWh £476 £61 £538 £13,104 24.4 yrs £-2,353
4 kW 3275 kWh 2457 kWh 819 kWh £635 £82 £717 £15,138 21.1 yrs £-805
5 kW 4094 kWh 3071 kWh 1024 kWh £793 £102 £896 £17,173 19.2 yrs £744
6 kW 4913 kWh 3685 kWh 1228 kWh £952 £123 £1,075 £19,207 17.9 yrs £2,293
7 kW 5732 kWh 4299 kWh 1433 kWh £1,111 £143 £1,254 £21,242 16.9 yrs £3,842
8 kW 6551 kWh 4913 kWh 1638 kWh £1,270 £164 £1,433 £23,276 16.2 yrs £5,391

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £909, Upfront: £19,623, Break-even: 21.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1638 kWh 1261 kWh 377 kWh £326 £38 £364 £13,519 37.2 yrs £-6,249
3 kW 2457 kWh 1892 kWh 565 kWh £489 £57 £545 £15,554 28.5 yrs £-4,648
4 kW 3275 kWh 2522 kWh 753 kWh £652 £75 £727 £17,588 24.2 yrs £-3,047
5 kW 4094 kWh 3153 kWh 942 kWh £815 £94 £909 £19,623 21.6 yrs £-1,446
6 kW 4913 kWh 3783 kWh 1130 kWh £978 £113 £1,091 £21,657 19.9 yrs £154
7 kW 5732 kWh 4414 kWh 1318 kWh £1,141 £132 £1,272 £23,692 18.6 yrs £1,755
8 kW 6551 kWh 5044 kWh 1507 kWh £1,303 £151 £1,454 £25,726 17.7 yrs £3,356

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, 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.

Insights for G69

Figures below are tailored to G69 — click through for full league tables.

Solar Payback Index Rank #2880 of 2997
13.3 years (UK avg 11.3 years)
~£919 /yr • £12,207 upfront
Standing-Charge Drag Rank #2007 of 2997
22.5% (UK avg 21.7%) drag on savings
£206 fixed • ~£919 /yr value

Your Area at a Glance

Your Electricity Rate
25.84p/kWh
Daily Fixed Charge
56.55p/day
Local Sunshine
819kWh/kW
A 1 kW system generates ~819 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

North Lanarkshire (52%)|Glasgow City (48%)

Areas Covered

Baillieston, Gartcosh, Glenboig and Moodiesburn, Stepps, Chryston and Muirhead, Coatbridge West, North East, Shettleston + 5 more

Data Sources & Assumptions

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

Electricity rates: Ofgem price cap, Q4 2025

Installation costs: MCS certified installer data, March 2025

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

G34 (Glasgow City)
≈1.2 km away
Local sunshine: ~834 kWh/kWp · +2% vs G69
G33 (Glasgow City)
≈4.0 km away
Local sunshine: ~838 kWh/kWp · +2% vs G69
G32 (Glasgow City)
≈4.0 km away
Local sunshine: ~838 kWh/kWp · +2% vs G69
G71 (South Lanarkshire)
≈4.4 km away
Local sunshine: ~843 kWh/kWp · +3% vs G69
ML5 (North Lanarkshire)
≈4.6 km away
Local sunshine: ~819 kWh/kWp · +0% vs G69
G72 (South Lanarkshire)
≈5.8 km away
Local sunshine: ~849 kWh/kWp · +4% vs G69

Similar sunshine across the UK

LL58 (Isle of Anglesey)
~819 kWh/kWp · +0% vs G69
KW7 (Highland)
~819 kWh/kWp · +0% vs G69
PA82 (Na h-Eileanan Siar)
~818 kWh/kWp · -0% vs G69