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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in DN38 (North Lincolnshire)

See if solar pays off for you in North Lincolnshire — 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
13.1 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£933
What you save every year
Profit Over 25 Years
£11,116
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 Yorkshire, the current unit rate is 25.33p/kWh with a 58.65p/day standing charge. Your postcode’s south-facing sunshine yield is 964 kWh/kW — 35 above the regional median (929).

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 964 kWh per year on a south-facing roof. We value self-used electricity at 25.3p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.3p/kWh
Standing charge
58.6p/day
Sunshine yield (south)
964 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: £777, Upfront: £10,173, 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 1928 kWh 771 kWh 1157 kWh £195 £116 £311 £4,069 13.1 yrs £2,151
3 kW 2892 kWh 1157 kWh 1735 kWh £293 £173 £466 £6,104 13.1 yrs £3,226
4 kW 3855 kWh 1542 kWh 2313 kWh £391 £231 £622 £8,138 13.1 yrs £4,301
5 kW 4819 kWh 1928 kWh 2892 kWh £488 £289 £777 £10,173 13.1 yrs £5,376
6 kW 5783 kWh 2313 kWh 3470 kWh £586 £347 £933 £12,207 13.1 yrs £6,452
7 kW 6747 kWh 2699 kWh 4048 kWh £684 £405 £1,088 £14,242 13.1 yrs £7,527
8 kW 7711 kWh 3084 kWh 4627 kWh £781 £463 £1,244 £16,276 13.1 yrs £8,602

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: £925, Upfront: £12,273, Break-even: 13.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1928 kWh 1157 kWh 771 kWh £293 £77 £370 £6,169 16.7 yrs £1,233
3 kW 2892 kWh 1735 kWh 1157 kWh £439 £116 £555 £8,204 14.8 yrs £2,899
4 kW 3855 kWh 2313 kWh 1542 kWh £586 £154 £740 £10,238 13.8 yrs £4,565
5 kW 4819 kWh 2892 kWh 1928 kWh £732 £193 £925 £12,273 13.3 yrs £6,232
6 kW 5783 kWh 3470 kWh 2313 kWh £879 £231 £1,110 £14,307 12.9 yrs £7,898
7 kW 6747 kWh 4048 kWh 2699 kWh £1,025 £270 £1,295 £16,342 12.6 yrs £9,564
8 kW 7711 kWh 4627 kWh 3084 kWh £1,172 £308 £1,480 £18,376 12.4 yrs £11,231

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: £999, Upfront: £13,673, Break-even: 13.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1928 kWh 1349 kWh 578 kWh £342 £58 £400 £7,569 18.9 yrs £424
3 kW 2892 kWh 2024 kWh 867 kWh £513 £87 £599 £9,604 16.0 yrs £2,386
4 kW 3855 kWh 2699 kWh 1157 kWh £684 £116 £799 £11,638 14.6 yrs £4,347
5 kW 4819 kWh 3374 kWh 1446 kWh £855 £145 £999 £13,673 13.7 yrs £6,309
6 kW 5783 kWh 4048 kWh 1735 kWh £1,025 £173 £1,199 £15,707 13.1 yrs £8,271
7 kW 6747 kWh 4723 kWh 2024 kWh £1,196 £202 £1,399 £17,742 12.7 yrs £10,233
8 kW 7711 kWh 5398 kWh 2313 kWh £1,367 £231 £1,599 £19,776 12.4 yrs £12,195

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: £1,021, Upfront: £15,423, Break-even: 15.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1928 kWh 1407 kWh 520 kWh £356 £52 £409 £9,319 22.8 yrs £-1,149
3 kW 2892 kWh 2111 kWh 781 kWh £535 £78 £613 £11,354 18.5 yrs £902
4 kW 3855 kWh 2814 kWh 1041 kWh £713 £104 £817 £13,388 16.4 yrs £2,952
5 kW 4819 kWh 3518 kWh 1301 kWh £891 £130 £1,021 £15,423 15.1 yrs £5,003
6 kW 5783 kWh 4222 kWh 1561 kWh £1,069 £156 £1,226 £17,457 14.2 yrs £7,053
7 kW 6747 kWh 4925 kWh 1822 kWh £1,248 £182 £1,430 £19,492 13.6 yrs £9,104
8 kW 7711 kWh 5629 kWh 2082 kWh £1,426 £208 £1,634 £21,526 13.2 yrs £11,154

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: £1,036, Upfront: £17,173, Break-even: 16.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1928 kWh 1446 kWh 482 kWh £366 £48 £414 £11,069 26.7 yrs £-2,781
3 kW 2892 kWh 2169 kWh 723 kWh £549 £72 £622 £13,104 21.1 yrs £-671
4 kW 3855 kWh 2892 kWh 964 kWh £732 £96 £829 £15,138 18.3 yrs £1,438
5 kW 4819 kWh 3614 kWh 1205 kWh £916 £120 £1,036 £17,173 16.6 yrs £3,548
6 kW 5783 kWh 4337 kWh 1446 kWh £1,099 £145 £1,243 £19,207 15.4 yrs £5,658
7 kW 6747 kWh 5060 kWh 1687 kWh £1,282 £169 £1,450 £21,242 14.6 yrs £7,767
8 kW 7711 kWh 5783 kWh 1928 kWh £1,465 £193 £1,658 £23,276 14.0 yrs £9,877

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: £1,051, Upfront: £19,623, 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 1928 kWh 1484 kWh 443 kWh £376 £44 £420 £13,519 32.2 yrs £-5,113
3 kW 2892 kWh 2227 kWh 665 kWh £564 £67 £630 £15,554 24.7 yrs £-2,944
4 kW 3855 kWh 2969 kWh 887 kWh £752 £89 £841 £17,588 20.9 yrs £-775
5 kW 4819 kWh 3711 kWh 1108 kWh £940 £111 £1,051 £19,623 18.7 yrs £1,394
6 kW 5783 kWh 4453 kWh 1330 kWh £1,128 £133 £1,261 £21,657 17.2 yrs £3,562
7 kW 6747 kWh 5195 kWh 1552 kWh £1,316 £155 £1,471 £23,692 16.1 yrs £5,731
8 kW 7711 kWh 5937 kWh 1774 kWh £1,504 £177 £1,681 £25,726 15.3 yrs £7,900

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 DN38

Figures below are tailored to DN38 — click through for full league tables.

Big-Roof Britain Rank #241 of 2182
6.0 kWp (UK avg 5.1 kWp)
~13 panels (≈430 W)
Solar Payback Index Rank #1758 of 2997
11.5 years (UK avg 11.3 years)
~£1,066 /yr • £12,207 upfront
Standing-Charge Drag Rank #1409 of 2997
20.1% (UK avg 21.7%) drag on savings
£214 fixed • ~£1,066 /yr value

Your Area at a Glance

Your Electricity Rate
25.33p/kWh
Daily Fixed Charge
58.65p/day
Local Sunshine
964kWh/kW
A 1 kW system generates ~964 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

Houses: 81% • Flats: 2% • Bungalows: 17% Based on 707 properties

Coverage

North Lincolnshire (64%)|West Lindsey (36%)

Areas Covered

Brigg & Wolds, Kelsey Wold, Ferry

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 Yorkshire

DN20 (North Lincolnshire)
≈6.3 km away
Local sunshine: ~956 kWh/kWp · -1% vs DN38
DN39 (North Lincolnshire)
≈7.1 km away
Local sunshine: ~978 kWh/kWp · +1% vs DN38
LN7 (West Lindsey)
≈9.5 km away
Local sunshine: ~955 kWh/kWp · -1% vs DN38
DN19 (North Lincolnshire)
≈12.7 km away
Local sunshine: ~975 kWh/kWp · +1% vs DN38
DN18 (North Lincolnshire)
≈13.0 km away
Local sunshine: ~969 kWh/kWp · +1% vs DN38
DN40 (North East Lincolnshire)
≈13.4 km away
Local sunshine: ~970 kWh/kWp · +1% vs DN38

Similar sunshine across the UK

B98 (Redditch)
~964 kWh/kWp · -0% vs DN38
LE10 (Hinckley and Bosworth)
~964 kWh/kWp · +0% vs DN38
NP5 (Monmouthshire)
~964 kWh/kWp · +0% vs DN38