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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NG12 (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
12.9 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£945
What you save every year
Profit Over 25 Years
£11,428
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 971 kWh/kW — 3 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 971 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)
971 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: £788, 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 1943 kWh 777 kWh 1166 kWh £199 £117 £315 £4,069 12.9 yrs £2,234
3 kW 2914 kWh 1166 kWh 1749 kWh £298 £175 £473 £6,104 12.9 yrs £3,351
4 kW 3886 kWh 1554 kWh 2331 kWh £397 £233 £630 £8,138 12.9 yrs £4,467
5 kW 4857 kWh 1943 kWh 2914 kWh £496 £291 £788 £10,173 12.9 yrs £5,584
6 kW 5829 kWh 2331 kWh 3497 kWh £596 £350 £945 £12,207 12.9 yrs £6,701
7 kW 6800 kWh 2720 kWh 4080 kWh £695 £408 £1,103 £14,242 12.9 yrs £7,818
8 kW 7772 kWh 3109 kWh 4663 kWh £794 £466 £1,261 £16,276 12.9 yrs £8,935

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: £939, 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 1943 kWh 1166 kWh 777 kWh £298 £78 £376 £6,169 16.4 yrs £1,342
3 kW 2914 kWh 1749 kWh 1166 kWh £447 £117 £563 £8,204 14.6 yrs £3,063
4 kW 3886 kWh 2331 kWh 1554 kWh £596 £155 £751 £10,238 13.6 yrs £4,784
5 kW 4857 kWh 2914 kWh 1943 kWh £745 £194 £939 £12,273 13.1 yrs £6,505
6 kW 5829 kWh 3497 kWh 2331 kWh £894 £233 £1,127 £14,307 12.7 yrs £8,226
7 kW 6800 kWh 4080 kWh 2720 kWh £1,042 £272 £1,314 £16,342 12.4 yrs £9,948
8 kW 7772 kWh 4663 kWh 3109 kWh £1,191 £311 £1,502 £18,376 12.2 yrs £11,669

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: £1,014, 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 1943 kWh 1360 kWh 583 kWh £347 £58 £406 £7,569 18.7 yrs £546
3 kW 2914 kWh 2040 kWh 874 kWh £521 £87 £609 £9,604 15.8 yrs £2,570
4 kW 3886 kWh 2720 kWh 1166 kWh £695 £117 £812 £11,638 14.3 yrs £4,593
5 kW 4857 kWh 3400 kWh 1457 kWh £869 £146 £1,014 £13,673 13.5 yrs £6,616
6 kW 5829 kWh 4080 kWh 1749 kWh £1,042 £175 £1,217 £15,707 12.9 yrs £8,639
7 kW 6800 kWh 4760 kWh 2040 kWh £1,216 £204 £1,420 £17,742 12.5 yrs £10,662
8 kW 7772 kWh 5440 kWh 2331 kWh £1,390 £233 £1,623 £19,776 12.2 yrs £12,686

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: £1,037, 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 1943 kWh 1418 kWh 525 kWh £362 £52 £415 £9,319 22.5 yrs £-1,022
3 kW 2914 kWh 2127 kWh 787 kWh £544 £79 £622 £11,354 18.2 yrs £1,091
4 kW 3886 kWh 2837 kWh 1049 kWh £725 £105 £830 £13,388 16.1 yrs £3,205
5 kW 4857 kWh 3546 kWh 1311 kWh £906 £131 £1,037 £15,423 14.9 yrs £5,319
6 kW 5829 kWh 4255 kWh 1574 kWh £1,087 £157 £1,245 £17,457 14.0 yrs £7,433
7 kW 6800 kWh 4964 kWh 1836 kWh £1,268 £184 £1,452 £19,492 13.4 yrs £9,547
8 kW 7772 kWh 5673 kWh 2098 kWh £1,450 £210 £1,659 £21,526 13.0 yrs £11,661

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: £1,052, Upfront: £17,173, Break-even: 16.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1943 kWh 1457 kWh 486 kWh £372 £49 £421 £11,069 26.3 yrs £-2,651
3 kW 2914 kWh 2186 kWh 729 kWh £558 £73 £631 £13,104 20.8 yrs £-477
4 kW 3886 kWh 2914 kWh 971 kWh £745 £97 £842 £15,138 18.0 yrs £1,697
5 kW 4857 kWh 3643 kWh 1214 kWh £931 £121 £1,052 £17,173 16.3 yrs £3,871
6 kW 5829 kWh 4371 kWh 1457 kWh £1,117 £146 £1,263 £19,207 15.2 yrs £6,046
7 kW 6800 kWh 5100 kWh 1700 kWh £1,303 £170 £1,473 £21,242 14.4 yrs £8,220
8 kW 7772 kWh 5829 kWh 1943 kWh £1,489 £194 £1,684 £23,276 13.8 yrs £10,394

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: £1,067, Upfront: £19,623, Break-even: 18.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1943 kWh 1496 kWh 447 kWh £382 £45 £427 £13,519 31.7 yrs £-4,981
3 kW 2914 kWh 2244 kWh 670 kWh £573 £67 £640 £15,554 24.3 yrs £-2,746
4 kW 3886 kWh 2992 kWh 894 kWh £764 £89 £854 £17,588 20.6 yrs £-511
5 kW 4857 kWh 3740 kWh 1117 kWh £956 £112 £1,067 £19,623 18.4 yrs £1,723
6 kW 5829 kWh 4488 kWh 1341 kWh £1,147 £134 £1,281 £21,657 16.9 yrs £3,958
7 kW 6800 kWh 5236 kWh 1564 kWh £1,338 £156 £1,494 £23,692 15.9 yrs £6,193
8 kW 7772 kWh 5984 kWh 1787 kWh £1,529 £179 £1,708 £25,726 15.1 yrs £8,427

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 NG12

Figures below are tailored to NG12 — click through for full league tables.

Big-Roof Britain Rank #461 of 2182
5.6 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #1612 of 2997
11.3 years (UK avg 11.3 years)
~£1,081 /yr • £12,207 upfront
Standing-Charge Drag Rank #652 of 2997
16.6% (UK avg 21.7%) drag on savings
£179 fixed • ~£1,081 /yr value

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
971kWh/kW
A 1 kW system generates ~971 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: 76% • Flats: 6% • Bungalows: 15% Based on 10,580 properties

Coverage

Rushcliffe (93%)|Nottingham (7%)

Areas Covered

Keyworth & Wolds, Radcliffe on Trent, Cotgrave, Edwalton, Cropwell, Meadows, Nevile & Langar, Newton + 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

NG2 (Nottingham)
≈6.5 km away
Local sunshine: ~953 kWh/kWp · -2% vs NG12
NG4 (Gedling)
≈7.2 km away
Local sunshine: ~967 kWh/kWp · -1% vs NG12
NG3 (Nottingham)
≈8.1 km away
Local sunshine: ~949 kWh/kWp · -2% vs NG12
NG1 (Nottingham)
≈8.1 km away
Local sunshine: ~949 kWh/kWp · -2% vs NG12
NG13 (Rushcliffe)
≈8.4 km away
Local sunshine: ~979 kWh/kWp · +1% vs NG12
NG11 (Nottingham)
≈8.6 km away
Local sunshine: ~958 kWh/kWp · -1% vs NG12

Similar sunshine across the UK

SA67 (Pembrokeshire)
~972 kWh/kWp · +0% vs NG12
EX32 (North Devon)
~971 kWh/kWp · -0% vs NG12
NP44 (Torfaen)
~971 kWh/kWp · -0% vs NG12