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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in S80 (Bassetlaw)

See if solar pays off for you in Bassetlaw — 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
£10,173
What you pay to get started
Annual Benefit
£775
What you save every year
Profit Over 25 Years
£9,198
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 East Midlands, the current unit rate is 25.55p/kWh with a 49.09p/day standing charge. Your postcode’s south-facing sunshine yield is 955 kWh/kW — 13 below the regional median (968).

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 955 kWh per year on a south-facing roof. We value self-used electricity at 25.6p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.6p/kWh
Standing charge
49.1p/day
Sunshine yield (south)
955 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: £775, 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 1911 kWh 764 kWh 1146 kWh £195 £115 £310 £4,069 13.1 yrs £2,130
3 kW 2866 kWh 1146 kWh 1720 kWh £293 £172 £465 £6,104 13.1 yrs £3,195
4 kW 3822 kWh 1529 kWh 2293 kWh £391 £229 £620 £8,138 13.1 yrs £4,259
5 kW 4777 kWh 1911 kWh 2866 kWh £488 £287 £775 £10,173 13.1 yrs £5,324
6 kW 5732 kWh 2293 kWh 3439 kWh £586 £344 £930 £12,207 13.1 yrs £6,389
7 kW 6688 kWh 2675 kWh 4013 kWh £684 £401 £1,085 £14,242 13.1 yrs £7,454
8 kW 7643 kWh 3057 kWh 4586 kWh £781 £459 £1,240 £16,276 13.1 yrs £8,519

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: £923, 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 1911 kWh 1146 kWh 764 kWh £293 £76 £369 £6,169 16.7 yrs £1,218
3 kW 2866 kWh 1720 kWh 1146 kWh £439 £115 £554 £8,204 14.8 yrs £2,877
4 kW 3822 kWh 2293 kWh 1529 kWh £586 £153 £739 £10,238 13.9 yrs £4,536
5 kW 4777 kWh 2866 kWh 1911 kWh £732 £191 £923 £12,273 13.3 yrs £6,196
6 kW 5732 kWh 3439 kWh 2293 kWh £879 £229 £1,108 £14,307 12.9 yrs £7,855
7 kW 6688 kWh 4013 kWh 2675 kWh £1,025 £268 £1,293 £16,342 12.6 yrs £9,514
8 kW 7643 kWh 4586 kWh 3057 kWh £1,172 £306 £1,477 £18,376 12.4 yrs £11,173

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: £998, 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 1911 kWh 1338 kWh 573 kWh £342 £57 £399 £7,569 19.0 yrs £412
3 kW 2866 kWh 2006 kWh 860 kWh £513 £86 £599 £9,604 16.0 yrs £2,369
4 kW 3822 kWh 2675 kWh 1146 kWh £684 £115 £798 £11,638 14.6 yrs £4,325
5 kW 4777 kWh 3344 kWh 1433 kWh £854 £143 £998 £13,673 13.7 yrs £6,281
6 kW 5732 kWh 4013 kWh 1720 kWh £1,025 £172 £1,197 £15,707 13.1 yrs £8,237
7 kW 6688 kWh 4682 kWh 2006 kWh £1,196 £201 £1,397 £17,742 12.7 yrs £10,194
8 kW 7643 kWh 5350 kWh 2293 kWh £1,367 £229 £1,596 £19,776 12.4 yrs £12,150

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: £1,020, 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 1911 kWh 1395 kWh 516 kWh £356 £52 £408 £9,319 22.8 yrs £-1,159
3 kW 2866 kWh 2092 kWh 774 kWh £535 £77 £612 £11,354 18.6 yrs £886
4 kW 3822 kWh 2790 kWh 1032 kWh £713 £103 £816 £13,388 16.4 yrs £2,932
5 kW 4777 kWh 3487 kWh 1290 kWh £891 £129 £1,020 £15,423 15.1 yrs £4,977
6 kW 5732 kWh 4185 kWh 1548 kWh £1,069 £155 £1,224 £17,457 14.3 yrs £7,022
7 kW 6688 kWh 4882 kWh 1806 kWh £1,247 £181 £1,428 £19,492 13.6 yrs £9,068
8 kW 7643 kWh 5580 kWh 2064 kWh £1,426 £206 £1,632 £21,526 13.2 yrs £11,113

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: £1,035, 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 1911 kWh 1433 kWh 478 kWh £366 £48 £414 £11,069 26.7 yrs £-2,790
3 kW 2866 kWh 2150 kWh 717 kWh £549 £72 £621 £13,104 21.1 yrs £-686
4 kW 3822 kWh 2866 kWh 955 kWh £732 £96 £828 £15,138 18.3 yrs £1,419
5 kW 4777 kWh 3583 kWh 1194 kWh £915 £119 £1,035 £17,173 16.6 yrs £3,524
6 kW 5732 kWh 4299 kWh 1433 kWh £1,098 £143 £1,242 £19,207 15.5 yrs £5,629
7 kW 6688 kWh 5016 kWh 1672 kWh £1,282 £167 £1,449 £21,242 14.7 yrs £7,734
8 kW 7643 kWh 5732 kWh 1911 kWh £1,465 £191 £1,656 £23,276 14.1 yrs £9,838

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: £1,050, 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 1911 kWh 1471 kWh 439 kWh £376 £44 £420 £13,519 32.2 yrs £-5,122
3 kW 2866 kWh 2207 kWh 659 kWh £564 £66 £630 £15,554 24.7 yrs £-2,957
4 kW 3822 kWh 2943 kWh 879 kWh £752 £88 £840 £17,588 20.9 yrs £-793
5 kW 4777 kWh 3678 kWh 1099 kWh £940 £110 £1,050 £19,623 18.7 yrs £1,371
6 kW 5732 kWh 4414 kWh 1318 kWh £1,128 £132 £1,260 £21,657 17.2 yrs £3,535
7 kW 6688 kWh 5150 kWh 1538 kWh £1,316 £154 £1,470 £23,692 16.1 yrs £5,700
8 kW 7643 kWh 5885 kWh 1758 kWh £1,504 £176 £1,679 £25,726 15.3 yrs £7,864

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 S80

Figures below are tailored to S80 — click through for full league tables.

Big-Roof Britain Rank #1278 of 2182
4.8 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #1801 of 2997
11.5 years (UK avg 11.3 years)
~£886 /yr • £10,173 upfront
Standing-Charge Drag Rank #1446 of 2997
20.2% (UK avg 21.7%) drag on savings
£179 fixed • ~£886 /yr value

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
955kWh/kW
A 1 kW system generates ~955 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: 68% • Flats: 16% • Bungalows: 14% Based on 11,603 properties

Coverage

Bassetlaw (73%)|Bolsover (26%)|Rotherham (1%)

Areas Covered

Worksop South, Worksop South East, Elmton-with-Creswell, Worksop North West, Whitwell, Welbeck, Worksop East, Anston & Woodsetts + 4 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 East Midlands

S81 (Bassetlaw)
≈2.8 km away
Local sunshine: ~956 kWh/kWp · +0% vs S80
NG20 (Bolsover)
≈11.9 km away
Local sunshine: ~943 kWh/kWp · -1% vs S80
DN22 (Bassetlaw)
≈12.3 km away
Local sunshine: ~962 kWh/kWp · +1% vs S80
S21 (North East Derbyshire)
≈13.6 km away
Local sunshine: ~949 kWh/kWp · -1% vs S80
S44 (Bolsover)
≈13.9 km away
Local sunshine: ~935 kWh/kWp · -2% vs S80
NG22 (Newark and Sherwood)
≈14.2 km away
Local sunshine: ~973 kWh/kWp · +2% vs S80

Similar sunshine across the UK

DN11 (Doncaster)
~956 kWh/kWp · +0% vs S80
BT19 (Ards and North Down)
~956 kWh/kWp · +0% vs S80
CH49 (Wirral)
~955 kWh/kWp · -0% vs S80