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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in YO25 (East Riding of Yorkshire)

See if solar pays off for you in East Riding of Yorkshire — price, savings and payback in under a minute (official UK data).

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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
12.9 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£943
What you save every year
Profit Over 25 Years
£11,378
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 975 kWh/kW — 46 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 975 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)
975 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: £786, Upfront: £10,173, Break-even: 12.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1949 kWh 780 kWh 1170 kWh £198 £117 £314 £4,069 12.9 yrs £2,220
3 kW 2924 kWh 1170 kWh 1754 kWh £296 £175 £472 £6,104 12.9 yrs £3,331
4 kW 3899 kWh 1560 kWh 2339 kWh £395 £234 £629 £8,138 12.9 yrs £4,441
5 kW 4873 kWh 1949 kWh 2924 kWh £494 £292 £786 £10,173 12.9 yrs £5,551
6 kW 5848 kWh 2339 kWh 3509 kWh £593 £351 £943 £12,207 12.9 yrs £6,661
7 kW 6823 kWh 2729 kWh 4094 kWh £691 £409 £1,101 £14,242 12.9 yrs £7,772
8 kW 7798 kWh 3119 kWh 4679 kWh £790 £468 £1,258 £16,276 12.9 yrs £8,882

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: £936, Upfront: £12,273, 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 1949 kWh 1170 kWh 780 kWh £296 £78 £374 £6,169 16.5 yrs £1,316
3 kW 2924 kWh 1754 kWh 1170 kWh £444 £117 £561 £8,204 14.6 yrs £3,024
4 kW 3899 kWh 2339 kWh 1560 kWh £593 £156 £748 £10,238 13.7 yrs £4,732
5 kW 4873 kWh 2924 kWh 1949 kWh £741 £195 £936 £12,273 13.1 yrs £6,440
6 kW 5848 kWh 3509 kWh 2339 kWh £889 £234 £1,123 £14,307 12.7 yrs £8,147
7 kW 6823 kWh 4094 kWh 2729 kWh £1,037 £273 £1,310 £16,342 12.5 yrs £9,855
8 kW 7798 kWh 4679 kWh 3119 kWh £1,185 £312 £1,497 £18,376 12.3 yrs £11,563

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: £1,010, Upfront: £13,673, Break-even: 13.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1949 kWh 1365 kWh 585 kWh £346 £58 £404 £7,569 18.7 yrs £513
3 kW 2924 kWh 2047 kWh 877 kWh £518 £88 £606 £9,604 15.8 yrs £2,520
4 kW 3899 kWh 2729 kWh 1170 kWh £691 £117 £808 £11,638 14.4 yrs £4,527
5 kW 4873 kWh 3411 kWh 1462 kWh £864 £146 £1,010 £13,673 13.5 yrs £6,534
6 kW 5848 kWh 4094 kWh 1754 kWh £1,037 £175 £1,212 £15,707 13.0 yrs £8,540
7 kW 6823 kWh 4776 kWh 2047 kWh £1,210 £205 £1,414 £17,742 12.5 yrs £10,547
8 kW 7798 kWh 5458 kWh 2339 kWh £1,383 £234 £1,617 £19,776 12.2 yrs £12,554

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: £1,033, Upfront: £15,423, Break-even: 14.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1949 kWh 1423 kWh 526 kWh £360 £53 £413 £9,319 22.6 yrs £-1,057
3 kW 2924 kWh 2135 kWh 789 kWh £541 £79 £620 £11,354 18.3 yrs £1,039
4 kW 3899 kWh 2846 kWh 1053 kWh £721 £105 £826 £13,388 16.2 yrs £3,136
5 kW 4873 kWh 3558 kWh 1316 kWh £901 £132 £1,033 £15,423 14.9 yrs £5,232
6 kW 5848 kWh 4269 kWh 1579 kWh £1,081 £158 £1,239 £17,457 14.1 yrs £7,328
7 kW 6823 kWh 4981 kWh 1842 kWh £1,262 £184 £1,446 £19,492 13.5 yrs £9,425
8 kW 7798 kWh 5692 kWh 2105 kWh £1,442 £211 £1,652 £21,526 13.0 yrs £11,521

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: £1,048, Upfront: £17,173, 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 1949 kWh 1462 kWh 487 kWh £370 £49 £419 £11,069 26.4 yrs £-2,688
3 kW 2924 kWh 2193 kWh 731 kWh £556 £73 £629 £13,104 20.8 yrs £-531
4 kW 3899 kWh 2924 kWh 975 kWh £741 £97 £838 £15,138 18.1 yrs £1,625
5 kW 4873 kWh 3655 kWh 1218 kWh £926 £122 £1,048 £17,173 16.4 yrs £3,781
6 kW 5848 kWh 4386 kWh 1462 kWh £1,111 £146 £1,257 £19,207 15.3 yrs £5,937
7 kW 6823 kWh 5117 kWh 1706 kWh £1,296 £171 £1,467 £21,242 14.5 yrs £8,093
8 kW 7798 kWh 5848 kWh 1949 kWh £1,481 £195 £1,676 £23,276 13.9 yrs £10,249

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: £1,063, Upfront: £19,623, Break-even: 18.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1949 kWh 1501 kWh 448 kWh £380 £45 £425 £13,519 31.8 yrs £-5,018
3 kW 2924 kWh 2252 kWh 673 kWh £570 £67 £638 £15,554 24.4 yrs £-2,802
4 kW 3899 kWh 3002 kWh 897 kWh £760 £90 £850 £17,588 20.7 yrs £-586
5 kW 4873 kWh 3753 kWh 1121 kWh £951 £112 £1,063 £19,623 18.5 yrs £1,630
6 kW 5848 kWh 4503 kWh 1345 kWh £1,141 £135 £1,275 £21,657 17.0 yrs £3,846
7 kW 6823 kWh 5254 kWh 1569 kWh £1,331 £157 £1,488 £23,692 15.9 yrs £6,062
8 kW 7798 kWh 6004 kWh 1793 kWh £1,521 £179 £1,700 £25,726 15.1 yrs £8,278

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 YO25

Figures below are tailored to YO25 — click through for full league tables.

Big-Roof Britain Rank #611 of 2182
5.5 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #1642 of 2997
11.3 years (UK avg 11.3 years)
~£1,078 /yr • £12,207 upfront
Standing-Charge Drag Rank #1380 of 2997
19.9% (UK avg 21.7%) drag on savings
£214 fixed • ~£1,078 /yr value

Your Area at a Glance

Your Electricity Rate
25.33p/kWh
Daily Fixed Charge
58.65p/day
Local Sunshine
975kWh/kW
A 1 kW system generates ~975 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: 73% • Flats: 4% • Bungalows: 22% Based on 10,568 properties

Coverage

East Riding of Yorkshire (98%)|North Yorkshire (2%)

Areas Covered

Driffield and Rural, East Wolds and Coastal, Beverley Rural, Wolds Weighton, Thornton Dale & Wolds, North Holderness, Bridlington Central and Old Town, Hunmanby & Sherburn

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

YO15 (East Riding of Yorkshire)
≈18.1 km away
Local sunshine: ~971 kWh/kWp · -0% vs YO25
YO16 (East Riding of Yorkshire)
≈18.4 km away
Local sunshine: ~966 kWh/kWp · -1% vs YO25
HU17 (East Riding of Yorkshire)
≈18.4 km away
Local sunshine: ~976 kWh/kWp · +0% vs YO25
HU18 (East Riding of Yorkshire)
≈20.5 km away
Local sunshine: ~973 kWh/kWp · -0% vs YO25
YO43 (East Riding of Yorkshire)
≈22.2 km away
Local sunshine: ~949 kWh/kWp · -3% vs YO25
HU11 (East Riding of Yorkshire)
≈23.2 km away
Local sunshine: ~997 kWh/kWp · +2% vs YO25

Similar sunshine across the UK

NG24 (Newark and Sherwood)
~975 kWh/kWp · -0% vs YO25
WR13 (Malvern Hills)
~975 kWh/kWp · -0% vs YO25
CV35 (Stratford-on-Avon)
~975 kWh/kWp · -0% vs YO25