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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NG5 (Gedling)

See if solar pays off for you in Gedling — 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
13.2 years
After this, it's pure profit
Upfront Cost
£8,138
What you pay to get started
Annual Benefit
£617
What you save every year
Profit Over 25 Years
£7,287
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 951 kWh/kW — 17 below the regional median (968).

Read the full story

A typical roof here lands around 4.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 951 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)
951 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: £771, Upfront: £10,173, Break-even: 13.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1902 kWh 761 kWh 1141 kWh £194 £114 £309 £4,069 13.2 yrs £2,101
3 kW 2853 kWh 1141 kWh 1712 kWh £292 £171 £463 £6,104 13.2 yrs £3,152
4 kW 3804 kWh 1522 kWh 2282 kWh £389 £228 £617 £8,138 13.2 yrs £4,202
5 kW 4755 kWh 1902 kWh 2853 kWh £486 £285 £771 £10,173 13.2 yrs £5,253
6 kW 5706 kWh 2282 kWh 3424 kWh £583 £342 £926 £12,207 13.2 yrs £6,303
7 kW 6657 kWh 2663 kWh 3994 kWh £680 £399 £1,080 £14,242 13.2 yrs £7,354
8 kW 7608 kWh 3043 kWh 4565 kWh £778 £456 £1,234 £16,276 13.2 yrs £8,405

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: £919, Upfront: £12,273, 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 1902 kWh 1141 kWh 761 kWh £292 £76 £368 £6,169 16.8 yrs £1,184
3 kW 2853 kWh 1712 kWh 1141 kWh £437 £114 £551 £8,204 14.9 yrs £2,826
4 kW 3804 kWh 2282 kWh 1522 kWh £583 £152 £735 £10,238 13.9 yrs £4,468
5 kW 4755 kWh 2853 kWh 1902 kWh £729 £190 £919 £12,273 13.4 yrs £6,110
6 kW 5706 kWh 3424 kWh 2282 kWh £875 £228 £1,103 £14,307 13.0 yrs £7,753
7 kW 6657 kWh 3994 kWh 2663 kWh £1,021 £266 £1,287 £16,342 12.7 yrs £9,395
8 kW 7608 kWh 4565 kWh 3043 kWh £1,166 £304 £1,471 £18,376 12.5 yrs £11,037

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: £993, Upfront: £13,673, Break-even: 13.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1902 kWh 1331 kWh 571 kWh £340 £57 £397 £7,569 19.1 yrs £376
3 kW 2853 kWh 1997 kWh 856 kWh £510 £86 £596 £9,604 16.1 yrs £2,314
4 kW 3804 kWh 2663 kWh 1141 kWh £680 £114 £794 £11,638 14.6 yrs £4,251
5 kW 4755 kWh 3329 kWh 1427 kWh £850 £143 £993 £13,673 13.8 yrs £6,189
6 kW 5706 kWh 3994 kWh 1712 kWh £1,021 £171 £1,192 £15,707 13.2 yrs £8,127
7 kW 6657 kWh 4660 kWh 1997 kWh £1,191 £200 £1,390 £17,742 12.8 yrs £10,065
8 kW 7608 kWh 5326 kWh 2282 kWh £1,361 £228 £1,589 £19,776 12.4 yrs £12,003

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: £1,015, Upfront: £15,423, Break-even: 15.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1902 kWh 1388 kWh 514 kWh £355 £51 £406 £9,319 22.9 yrs £-1,197
3 kW 2853 kWh 2083 kWh 770 kWh £532 £77 £609 £11,354 18.6 yrs £830
4 kW 3804 kWh 2777 kWh 1027 kWh £710 £103 £812 £13,388 16.5 yrs £2,856
5 kW 4755 kWh 3471 kWh 1284 kWh £887 £128 £1,015 £15,423 15.2 yrs £4,883
6 kW 5706 kWh 4165 kWh 1541 kWh £1,064 £154 £1,218 £17,457 14.3 yrs £6,910
7 kW 6657 kWh 4860 kWh 1797 kWh £1,242 £180 £1,421 £19,492 13.7 yrs £8,936
8 kW 7608 kWh 5554 kWh 2054 kWh £1,419 £205 £1,624 £21,526 13.3 yrs £10,963

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: £1,030, Upfront: £17,173, Break-even: 16.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1902 kWh 1427 kWh 476 kWh £364 £48 £412 £11,069 26.9 yrs £-2,829
3 kW 2853 kWh 2140 kWh 713 kWh £547 £71 £618 £13,104 21.2 yrs £-743
4 kW 3804 kWh 2853 kWh 951 kWh £729 £95 £824 £15,138 18.4 yrs £1,343
5 kW 4755 kWh 3566 kWh 1189 kWh £911 £119 £1,030 £17,173 16.7 yrs £3,429
6 kW 5706 kWh 4280 kWh 1427 kWh £1,093 £143 £1,236 £19,207 15.5 yrs £5,514
7 kW 6657 kWh 4993 kWh 1664 kWh £1,276 £166 £1,442 £21,242 14.7 yrs £7,600
8 kW 7608 kWh 5706 kWh 1902 kWh £1,458 £190 £1,648 £23,276 14.1 yrs £9,686

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: £1,045, Upfront: £19,623, Break-even: 18.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1902 kWh 1465 kWh 437 kWh £374 £44 £418 £13,519 32.3 yrs £-5,160
3 kW 2853 kWh 2197 kWh 656 kWh £561 £66 £627 £15,554 24.8 yrs £-3,015
4 kW 3804 kWh 2929 kWh 875 kWh £748 £87 £836 £17,588 21.0 yrs £-870
5 kW 4755 kWh 3661 kWh 1094 kWh £935 £109 £1,045 £19,623 18.8 yrs £1,274
6 kW 5706 kWh 4394 kWh 1312 kWh £1,123 £131 £1,254 £21,657 17.3 yrs £3,419
7 kW 6657 kWh 5126 kWh 1531 kWh £1,310 £153 £1,463 £23,692 16.2 yrs £5,564
8 kW 7608 kWh 5858 kWh 1750 kWh £1,497 £175 £1,672 £25,726 15.4 yrs £7,709

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 NG5

Figures below are tailored to NG5 — click through for full league tables.

Big-Roof Britain Rank #1672 of 2182
4.5 kWp (UK avg 5.1 kWp)
~9 panels (≈430 W)
Solar Payback Index Rank #1793 of 2997
11.5 years (UK avg 11.3 years)
~£706 /yr • £8,138 upfront
Standing-Charge Drag Rank #2286 of 2997
25.4% (UK avg 21.7%) drag on savings
£179 fixed • ~£706 /yr value

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
951kWh/kW
A 1 kW system generates ~951 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
4.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 69% • Flats: 23% • Bungalows: 6% Based on 26,843 properties

Coverage

Gedling (51%)|Nottingham (49%)

Areas Covered

Daybrook, Sherwood, Bestwood, Ernehale, Berridge, Redhill, Bulwell Forest, Plains + 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

NG6 (Nottingham)
≈3.1 km away
Local sunshine: ~942 kWh/kWp · -1% vs NG5
NG3 (Nottingham)
≈3.8 km away
Local sunshine: ~949 kWh/kWp · -0% vs NG5
NG7 (Nottingham)
≈4.7 km away
Local sunshine: ~942 kWh/kWp · -1% vs NG5
NG1 (Nottingham)
≈4.8 km away
Local sunshine: ~949 kWh/kWp · -0% vs NG5
NG4 (Gedling)
≈4.9 km away
Local sunshine: ~967 kWh/kWp · +2% vs NG5
NG15 (Ashfield)
≈6.0 km away
Local sunshine: ~928 kWh/kWp · -2% vs NG5

Similar sunshine across the UK

DN6 (Doncaster)
~951 kWh/kWp · -0% vs NG5
CH29 (Wirral)
~951 kWh/kWp · +0% vs NG5
CH28 (Wirral)
~951 kWh/kWp · -0% vs NG5