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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in DN37 (North East Lincolnshire)

See if solar pays off for you in North East 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
12.6 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£807
What you save every year
Profit Over 25 Years
£9,997
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 1000 kWh/kW — 71 above the regional median (929).

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 1000 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)
1000 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: £807, Upfront: £10,173, 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 2000 kWh 800 kWh 1200 kWh £203 £120 £323 £4,069 12.6 yrs £2,385
3 kW 3001 kWh 1200 kWh 1800 kWh £304 £180 £484 £6,104 12.6 yrs £3,578
4 kW 4001 kWh 1600 kWh 2401 kWh £405 £240 £645 £8,138 12.6 yrs £4,771
5 kW 5001 kWh 2000 kWh 3001 kWh £507 £300 £807 £10,173 12.6 yrs £5,963
6 kW 6001 kWh 2401 kWh 3601 kWh £608 £360 £968 £12,207 12.6 yrs £7,156
7 kW 7002 kWh 2801 kWh 4201 kWh £709 £420 £1,129 £14,242 12.6 yrs £8,348
8 kW 8002 kWh 3201 kWh 4801 kWh £811 £480 £1,291 £16,276 12.6 yrs £9,541

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: £960, Upfront: £12,273, Break-even: 12.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2000 kWh 1200 kWh 800 kWh £304 £80 £384 £6,169 16.1 yrs £1,512
3 kW 3001 kWh 1800 kWh 1200 kWh £456 £120 £576 £8,204 14.2 yrs £3,318
4 kW 4001 kWh 2401 kWh 1600 kWh £608 £160 £768 £10,238 13.3 yrs £5,124
5 kW 5001 kWh 3001 kWh 2000 kWh £760 £200 £960 £12,273 12.8 yrs £6,930
6 kW 6001 kWh 3601 kWh 2401 kWh £912 £240 £1,152 £14,307 12.4 yrs £8,736
7 kW 7002 kWh 4201 kWh 2801 kWh £1,064 £280 £1,344 £16,342 12.2 yrs £10,542
8 kW 8002 kWh 4801 kWh 3201 kWh £1,216 £320 £1,536 £18,376 12.0 yrs £12,348

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: £1,037, Upfront: £13,673, 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 2000 kWh 1400 kWh 600 kWh £355 £60 £415 £7,569 18.3 yrs £725
3 kW 3001 kWh 2100 kWh 900 kWh £532 £90 £622 £9,604 15.4 yrs £2,838
4 kW 4001 kWh 2801 kWh 1200 kWh £709 £120 £829 £11,638 14.0 yrs £4,951
5 kW 5001 kWh 3501 kWh 1500 kWh £887 £150 £1,037 £13,673 13.2 yrs £7,063
6 kW 6001 kWh 4201 kWh 1800 kWh £1,064 £180 £1,244 £15,707 12.6 yrs £9,176
7 kW 7002 kWh 4901 kWh 2100 kWh £1,241 £210 £1,452 £17,742 12.2 yrs £11,289
8 kW 8002 kWh 5601 kWh 2401 kWh £1,419 £240 £1,659 £19,776 11.9 yrs £13,401

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: £1,060, Upfront: £15,423, Break-even: 14.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2000 kWh 1460 kWh 540 kWh £370 £54 £424 £9,319 22.0 yrs £-841
3 kW 3001 kWh 2191 kWh 810 kWh £555 £81 £636 £11,354 17.9 yrs £1,364
4 kW 4001 kWh 2921 kWh 1080 kWh £740 £108 £848 £13,388 15.8 yrs £3,569
5 kW 5001 kWh 3651 kWh 1350 kWh £925 £135 £1,060 £15,423 14.6 yrs £5,773
6 kW 6001 kWh 4381 kWh 1620 kWh £1,110 £162 £1,272 £17,457 13.7 yrs £7,978
7 kW 7002 kWh 5111 kWh 1890 kWh £1,295 £189 £1,484 £19,492 13.1 yrs £10,183
8 kW 8002 kWh 5841 kWh 2160 kWh £1,480 £216 £1,696 £21,526 12.7 yrs £12,387

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: £1,075, Upfront: £17,173, Break-even: 16.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2000 kWh 1500 kWh 500 kWh £380 £50 £430 £11,069 25.7 yrs £-2,468
3 kW 3001 kWh 2251 kWh 750 kWh £570 £75 £645 £13,104 20.3 yrs £-202
4 kW 4001 kWh 3001 kWh 1000 kWh £760 £100 £860 £15,138 17.6 yrs £2,064
5 kW 5001 kWh 3751 kWh 1250 kWh £950 £125 £1,075 £17,173 16.0 yrs £4,330
6 kW 6001 kWh 4501 kWh 1500 kWh £1,140 £150 £1,290 £19,207 14.9 yrs £6,596
7 kW 7002 kWh 5251 kWh 1750 kWh £1,330 £175 £1,505 £21,242 14.1 yrs £8,862
8 kW 8002 kWh 6001 kWh 2000 kWh £1,520 £200 £1,720 £23,276 13.5 yrs £11,128

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: £1,090, Upfront: £19,623, Break-even: 18.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2000 kWh 1540 kWh 460 kWh £390 £46 £436 £13,519 31.0 yrs £-4,795
3 kW 3001 kWh 2311 kWh 690 kWh £585 £69 £654 £15,554 23.8 yrs £-2,468
4 kW 4001 kWh 3081 kWh 920 kWh £780 £92 £872 £17,588 20.2 yrs £-141
5 kW 5001 kWh 3851 kWh 1150 kWh £975 £115 £1,090 £19,623 18.0 yrs £2,187
6 kW 6001 kWh 4621 kWh 1380 kWh £1,171 £138 £1,309 £21,657 16.6 yrs £4,514
7 kW 7002 kWh 5391 kWh 1610 kWh £1,366 £161 £1,527 £23,692 15.5 yrs £6,841
8 kW 8002 kWh 6161 kWh 1840 kWh £1,561 £184 £1,745 £25,726 14.7 yrs £9,169

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 DN37

Figures below are tailored to DN37 — click through for full league tables.

Big-Roof Britain Rank #621 of 2182
5.4 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #1195 of 2997
11.0 years (UK avg 11.3 years)
~£922 /yr • £10,173 upfront
Standing-Charge Drag Rank #2086 of 2997
23.2% (UK avg 21.7%) drag on savings
£214 fixed • ~£922 /yr value

Your Area at a Glance

Your Electricity Rate
25.33p/kWh
Daily Fixed Charge
58.65p/day
Local Sunshine
1000kWh/kW
A 1 kW system generates ~1000 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

Houses: 66% • Flats: 9% • Bungalows: 16% Based on 5,731 properties

Coverage

North East Lincolnshire (87%)|West Lindsey (12%)

Areas Covered

Wolds, Waltham, Freshney, Caistor and Yarborough, Immingham, West Marsh, Wold View, Holton-le-Clay & North Thoresby + 3 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 Yorkshire

DN34 (North East Lincolnshire)
≈1.7 km away
Local sunshine: ~982 kWh/kWp · -2% vs DN37
DN33 (North East Lincolnshire)
≈3.5 km away
Local sunshine: ~1,007 kWh/kWp · +1% vs DN37
DN41 (North East Lincolnshire)
≈3.5 km away
Local sunshine: ~988 kWh/kWp · -1% vs DN37
DN31 (North East Lincolnshire)
≈3.8 km away
Local sunshine: ~976 kWh/kWp · -2% vs DN37
DN32 (North East Lincolnshire)
≈4.3 km away
Local sunshine: ~975 kWh/kWp · -2% vs DN37
DN35 (North East Lincolnshire)
≈6.6 km away
Local sunshine: ~965 kWh/kWp · -4% vs DN37

Similar sunshine across the UK

NP19 (Newport)
~1,000 kWh/kWp · +0% vs DN37
NP20 (Newport)
~1,000 kWh/kWp · +0% vs DN37
NR8 (Broadland)
~1,000 kWh/kWp · +0% vs DN37