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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NG13 (Rushcliffe)

See if solar pays off for you in Rushcliffe — 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
12.8 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£953
What you save every year
Profit Over 25 Years
£11,615
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 979 kWh/kW — 11 above the regional median (968).

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 979 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)
979 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: £794, Upfront: £10,173, 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 1958 kWh 783 kWh 1175 kWh £200 £117 £318 £4,069 12.8 yrs £2,284
3 kW 2937 kWh 1175 kWh 1762 kWh £300 £176 £476 £6,104 12.8 yrs £3,425
4 kW 3916 kWh 1567 kWh 2350 kWh £400 £235 £635 £8,138 12.8 yrs £4,567
5 kW 4896 kWh 1958 kWh 2937 kWh £500 £294 £794 £10,173 12.8 yrs £5,709
6 kW 5875 kWh 2350 kWh 3525 kWh £600 £352 £953 £12,207 12.8 yrs £6,851
7 kW 6854 kWh 2742 kWh 4112 kWh £700 £411 £1,112 £14,242 12.8 yrs £7,992
8 kW 7833 kWh 3133 kWh 4700 kWh £801 £470 £1,271 £16,276 12.8 yrs £9,134

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: £946, Upfront: £12,273, Break-even: 13.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1958 kWh 1175 kWh 783 kWh £300 £78 £379 £6,169 16.3 yrs £1,402
3 kW 2937 kWh 1762 kWh 1175 kWh £450 £117 £568 £8,204 14.4 yrs £3,152
4 kW 3916 kWh 2350 kWh 1567 kWh £600 £157 £757 £10,238 13.5 yrs £4,903
5 kW 4896 kWh 2937 kWh 1958 kWh £750 £196 £946 £12,273 13.0 yrs £6,654
6 kW 5875 kWh 3525 kWh 2350 kWh £901 £235 £1,136 £14,307 12.6 yrs £8,405
7 kW 6854 kWh 4112 kWh 2742 kWh £1,051 £274 £1,325 £16,342 12.3 yrs £10,155
8 kW 7833 kWh 4700 kWh 3133 kWh £1,201 £313 £1,514 £18,376 12.1 yrs £11,906

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: £1,022, Upfront: £13,673, Break-even: 13.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1958 kWh 1371 kWh 587 kWh £350 £59 £409 £7,569 18.5 yrs £611
3 kW 2937 kWh 2056 kWh 881 kWh £525 £88 £613 £9,604 15.7 yrs £2,666
4 kW 3916 kWh 2742 kWh 1175 kWh £700 £117 £818 £11,638 14.2 yrs £4,721
5 kW 4896 kWh 3427 kWh 1469 kWh £876 £147 £1,022 £13,673 13.4 yrs £6,776
6 kW 5875 kWh 4112 kWh 1762 kWh £1,051 £176 £1,227 £15,707 12.8 yrs £8,832
7 kW 6854 kWh 4798 kWh 2056 kWh £1,226 £206 £1,431 £17,742 12.4 yrs £10,887
8 kW 7833 kWh 5483 kWh 2350 kWh £1,401 £235 £1,636 £19,776 12.1 yrs £12,942

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: £1,045, Upfront: £15,423, Break-even: 14.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1958 kWh 1430 kWh 529 kWh £365 £53 £418 £9,319 22.3 yrs £-957
3 kW 2937 kWh 2144 kWh 793 kWh £548 £79 £627 £11,354 18.1 yrs £1,190
4 kW 3916 kWh 2859 kWh 1057 kWh £730 £106 £836 £13,388 16.0 yrs £3,337
5 kW 4896 kWh 3574 kWh 1322 kWh £913 £132 £1,045 £15,423 14.8 yrs £5,483
6 kW 5875 kWh 4289 kWh 1586 kWh £1,096 £159 £1,254 £17,457 13.9 yrs £7,630
7 kW 6854 kWh 5003 kWh 1851 kWh £1,278 £185 £1,463 £19,492 13.3 yrs £9,776
8 kW 7833 kWh 5718 kWh 2115 kWh £1,461 £211 £1,672 £21,526 12.9 yrs £11,923

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: £1,061, Upfront: £17,173, Break-even: 16.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1958 kWh 1469 kWh 490 kWh £375 £49 £424 £11,069 26.1 yrs £-2,585
3 kW 2937 kWh 2203 kWh 734 kWh £563 £73 £636 £13,104 20.6 yrs £-377
4 kW 3916 kWh 2937 kWh 979 kWh £750 £98 £848 £15,138 17.8 yrs £1,830
5 kW 4896 kWh 3672 kWh 1224 kWh £938 £122 £1,061 £17,173 16.2 yrs £4,038
6 kW 5875 kWh 4406 kWh 1469 kWh £1,126 £147 £1,273 £19,207 15.1 yrs £6,245
7 kW 6854 kWh 5140 kWh 1713 kWh £1,313 £171 £1,485 £21,242 14.3 yrs £8,453
8 kW 7833 kWh 5875 kWh 1958 kWh £1,501 £196 £1,697 £23,276 13.7 yrs £10,660

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: £1,076, Upfront: £19,623, Break-even: 18.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1958 kWh 1508 kWh 450 kWh £385 £45 £430 £13,519 31.4 yrs £-4,913
3 kW 2937 kWh 2262 kWh 676 kWh £578 £68 £645 £15,554 24.1 yrs £-2,645
4 kW 3916 kWh 3016 kWh 901 kWh £771 £90 £861 £17,588 20.4 yrs £-376
5 kW 4896 kWh 3770 kWh 1126 kWh £963 £113 £1,076 £19,623 18.2 yrs £1,892
6 kW 5875 kWh 4524 kWh 1351 kWh £1,156 £135 £1,291 £21,657 16.8 yrs £4,161
7 kW 6854 kWh 5277 kWh 1576 kWh £1,348 £158 £1,506 £23,692 15.7 yrs £6,429
8 kW 7833 kWh 6031 kWh 1802 kWh £1,541 £180 £1,721 £25,726 14.9 yrs £8,697

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 NG13

Figures below are tailored to NG13 — click through for full league tables.

Big-Roof Britain Rank #292 of 2182
5.9 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #1551 of 2997
11.2 years (UK avg 11.3 years)
~£1,090 /yr • £12,207 upfront
Standing-Charge Drag Rank #619 of 2997
16.4% (UK avg 21.7%) drag on savings
£179 fixed • ~£1,090 /yr value

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
979kWh/kW
A 1 kW system generates ~979 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: 79% • Flats: 6% • Bungalows: 14% Based on 6,175 properties

Coverage

Rushcliffe (71%)|Melton (18%)|Nottingham (9%)|South Kesteven (1%)|Newark and Sherwood (1%)

Areas Covered

Bingham North, Cranmer, Bingham South, Bottesford, Meadows, East Bridgford, Long Clawson and Stathern, Nevile & Langar + 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

NG12 (Rushcliffe)
≈8.4 km away
Local sunshine: ~971 kWh/kWp · -1% vs NG13
NG4 (Gedling)
≈9.7 km away
Local sunshine: ~967 kWh/kWp · -1% vs NG13
NG14 (Gedling)
≈9.9 km away
Local sunshine: ~969 kWh/kWp · -1% vs NG13
NG3 (Nottingham)
≈12.7 km away
Local sunshine: ~949 kWh/kWp · -3% vs NG13
NG2 (Nottingham)
≈12.9 km away
Local sunshine: ~953 kWh/kWp · -3% vs NG13
NG1 (Nottingham)
≈13.6 km away
Local sunshine: ~949 kWh/kWp · -3% vs NG13

Similar sunshine across the UK

EX18 (North Devon)
~979 kWh/kWp · -0% vs NG13
HU8 (Kingston upon Hull, City of)
~979 kWh/kWp · +0% vs NG13
BS27 (Somerset)
~979 kWh/kWp · -0% vs NG13