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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in WF7 (Wakefield)

See if solar pays off for you in Wakefield — 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
13.3 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£763
What you save every year
Profit Over 25 Years
£8,891
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 945 kWh/kW — 16 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 945 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)
945 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: £763, Upfront: £10,173, 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 1891 kWh 756 kWh 1134 kWh £192 £113 £305 £4,069 13.3 yrs £2,031
3 kW 2836 kWh 1134 kWh 1702 kWh £287 £170 £458 £6,104 13.3 yrs £3,047
4 kW 3782 kWh 1513 kWh 2269 kWh £383 £227 £610 £8,138 13.3 yrs £4,063
5 kW 4727 kWh 1891 kWh 2836 kWh £479 £284 £763 £10,173 13.3 yrs £5,078
6 kW 5672 kWh 2269 kWh 3403 kWh £575 £340 £915 £12,207 13.3 yrs £6,094
7 kW 6618 kWh 2647 kWh 3971 kWh £671 £397 £1,068 £14,242 13.3 yrs £7,110
8 kW 7563 kWh 3025 kWh 4538 kWh £766 £454 £1,220 £16,276 13.3 yrs £8,126

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: £907, Upfront: £12,273, 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 1891 kWh 1134 kWh 756 kWh £287 £76 £363 £6,169 17.0 yrs £1,091
3 kW 2836 kWh 1702 kWh 1134 kWh £431 £113 £544 £8,204 15.1 yrs £2,686
4 kW 3782 kWh 2269 kWh 1513 kWh £575 £151 £726 £10,238 14.1 yrs £4,282
5 kW 4727 kWh 2836 kWh 1891 kWh £718 £189 £907 £12,273 13.5 yrs £5,877
6 kW 5672 kWh 3403 kWh 2269 kWh £862 £227 £1,089 £14,307 13.1 yrs £7,472
7 kW 6618 kWh 3971 kWh 2647 kWh £1,006 £265 £1,270 £16,342 12.9 yrs £9,068
8 kW 7563 kWh 4538 kWh 3025 kWh £1,149 £303 £1,452 £18,376 12.7 yrs £10,663

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: £980, Upfront: £13,673, Break-even: 14.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1891 kWh 1324 kWh 567 kWh £335 £57 £392 £7,569 19.3 yrs £271
3 kW 2836 kWh 1985 kWh 851 kWh £503 £85 £588 £9,604 16.3 yrs £2,156
4 kW 3782 kWh 2647 kWh 1134 kWh £671 £113 £784 £11,638 14.8 yrs £4,041
5 kW 4727 kWh 3309 kWh 1418 kWh £838 £142 £980 £13,673 14.0 yrs £5,926
6 kW 5672 kWh 3971 kWh 1702 kWh £1,006 £170 £1,176 £15,707 13.4 yrs £7,812
7 kW 6618 kWh 4632 kWh 1985 kWh £1,173 £199 £1,372 £17,742 12.9 yrs £9,697
8 kW 7563 kWh 5294 kWh 2269 kWh £1,341 £227 £1,568 £19,776 12.6 yrs £11,582

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: £1,002, Upfront: £15,423, 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 1891 kWh 1380 kWh 511 kWh £350 £51 £401 £9,319 23.3 yrs £-1,306
3 kW 2836 kWh 2070 kWh 766 kWh £524 £77 £601 £11,354 18.9 yrs £667
4 kW 3782 kWh 2761 kWh 1021 kWh £699 £102 £801 £13,388 16.7 yrs £2,639
5 kW 4727 kWh 3451 kWh 1276 kWh £874 £128 £1,002 £15,423 15.4 yrs £4,611
6 kW 5672 kWh 4141 kWh 1532 kWh £1,049 £153 £1,202 £17,457 14.5 yrs £6,583
7 kW 6618 kWh 4831 kWh 1787 kWh £1,224 £179 £1,402 £19,492 13.9 yrs £8,556
8 kW 7563 kWh 5521 kWh 2042 kWh £1,398 £204 £1,603 £21,526 13.4 yrs £10,528

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: £1,016, Upfront: £17,173, Break-even: 16.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1891 kWh 1418 kWh 473 kWh £359 £47 £406 £11,069 27.2 yrs £-2,940
3 kW 2836 kWh 2127 kWh 709 kWh £539 £71 £610 £13,104 21.5 yrs £-909
4 kW 3782 kWh 2836 kWh 945 kWh £718 £95 £813 £15,138 18.6 yrs £1,121
5 kW 4727 kWh 3545 kWh 1182 kWh £898 £118 £1,016 £17,173 16.9 yrs £3,151
6 kW 5672 kWh 4254 kWh 1418 kWh £1,078 £142 £1,219 £19,207 15.8 yrs £5,181
7 kW 6618 kWh 4963 kWh 1654 kWh £1,257 £165 £1,423 £21,242 14.9 yrs £7,211
8 kW 7563 kWh 5672 kWh 1891 kWh £1,437 £189 £1,626 £23,276 14.3 yrs £9,242

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: £1,031, Upfront: £19,623, Break-even: 19.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1891 kWh 1456 kWh 435 kWh £369 £43 £412 £13,519 32.8 yrs £-5,274
3 kW 2836 kWh 2184 kWh 652 kWh £553 £65 £618 £15,554 25.2 yrs £-3,186
4 kW 3782 kWh 2912 kWh 870 kWh £738 £87 £825 £17,588 21.3 yrs £-1,097
5 kW 4727 kWh 3640 kWh 1087 kWh £922 £109 £1,031 £19,623 19.0 yrs £991
6 kW 5672 kWh 4368 kWh 1305 kWh £1,106 £130 £1,237 £21,657 17.5 yrs £3,079
7 kW 6618 kWh 5096 kWh 1522 kWh £1,291 £152 £1,443 £23,692 16.4 yrs £5,167
8 kW 7563 kWh 5824 kWh 1740 kWh £1,475 £174 £1,649 £25,726 15.6 yrs £7,255

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 WF7

Figures below are tailored to WF7 — click through for full league tables.

Big-Roof Britain Rank #1260 of 2182
4.9 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #2045 of 2997
11.7 years (UK avg 11.3 years)
~£871 /yr • £10,173 upfront
Standing-Charge Drag Rank #2174 of 2997
24.6% (UK avg 21.7%) drag on savings
£214 fixed • ~£871 /yr value

Your Area at a Glance

Your Electricity Rate
25.33p/kWh
Daily Fixed Charge
58.65p/day
Local Sunshine
945kWh/kW
A 1 kW system generates ~945 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: 73% • Flats: 9% • Bungalows: 18% Based on 8,443 properties

Coverage

Wakefield (100%)

Areas Covered

Featherstone, Ackworth, North Elmsall and Upton, Pontefract North, Hemsworth

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

WF8 (Wakefield)
≈3.6 km away
Local sunshine: ~949 kWh/kWp · +0% vs WF7
WF6 (Wakefield)
≈5.1 km away
Local sunshine: ~941 kWh/kWp · -0% vs WF7
WF10 (Wakefield)
≈5.4 km away
Local sunshine: ~940 kWh/kWp · -1% vs WF7
WF11 (Wakefield)
≈7.3 km away
Local sunshine: ~953 kWh/kWp · +1% vs WF7
WF9 (Wakefield)
≈7.7 km away
Local sunshine: ~954 kWh/kWp · +1% vs WF7
WF90 (Wakefield)
≈9.1 km away
Local sunshine: ~935 kWh/kWp · -1% vs WF7

Similar sunshine across the UK

LL70 (Isle of Anglesey)
~945 kWh/kWp · -0% vs WF7
KY16 (Fife)
~945 kWh/kWp · -0% vs WF7
CH31 (Wirral)
~945 kWh/kWp · -0% vs WF7