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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NG23 (Newark and Sherwood)

See if solar pays off for you in Newark and Sherwood — 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
£957
What you save every year
Profit Over 25 Years
£11,716
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 983 kWh/kW — 15 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 983 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)
983 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: £797, 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 1967 kWh 787 kWh 1180 kWh £201 £118 £319 £4,069 12.8 yrs £2,311
3 kW 2950 kWh 1180 kWh 1770 kWh £301 £177 £478 £6,104 12.8 yrs £3,466
4 kW 3933 kWh 1573 kWh 2360 kWh £402 £236 £638 £8,138 12.8 yrs £4,621
5 kW 4916 kWh 1967 kWh 2950 kWh £502 £295 £797 £10,173 12.8 yrs £5,776
6 kW 5900 kWh 2360 kWh 3540 kWh £603 £354 £957 £12,207 12.8 yrs £6,932
7 kW 6883 kWh 2753 kWh 4130 kWh £703 £413 £1,116 £14,242 12.8 yrs £8,087
8 kW 7866 kWh 3147 kWh 4720 kWh £804 £472 £1,276 £16,276 12.8 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.

3 kWh battery 5 kW example → Annual benefit: £950, Upfront: £12,273, 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 1967 kWh 1180 kWh 787 kWh £301 £79 £380 £6,169 16.2 yrs £1,434
3 kW 2950 kWh 1770 kWh 1180 kWh £452 £118 £570 £8,204 14.4 yrs £3,201
4 kW 3933 kWh 2360 kWh 1573 kWh £603 £157 £760 £10,238 13.5 yrs £4,968
5 kW 4916 kWh 2950 kWh 1967 kWh £754 £197 £950 £12,273 12.9 yrs £6,734
6 kW 5900 kWh 3540 kWh 2360 kWh £904 £236 £1,140 £14,307 12.5 yrs £8,501
7 kW 6883 kWh 4130 kWh 2753 kWh £1,055 £275 £1,330 £16,342 12.3 yrs £10,268
8 kW 7866 kWh 4720 kWh 3147 kWh £1,206 £315 £1,521 £18,376 12.1 yrs £12,035

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: £1,027, Upfront: £13,673, 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 1967 kWh 1377 kWh 590 kWh £352 £59 £411 £7,569 18.4 yrs £645
3 kW 2950 kWh 2065 kWh 885 kWh £528 £88 £616 £9,604 15.6 yrs £2,718
4 kW 3933 kWh 2753 kWh 1180 kWh £703 £118 £821 £11,638 14.2 yrs £4,791
5 kW 4916 kWh 3442 kWh 1475 kWh £879 £147 £1,027 £13,673 13.3 yrs £6,863
6 kW 5900 kWh 4130 kWh 1770 kWh £1,055 £177 £1,232 £15,707 12.7 yrs £8,936
7 kW 6883 kWh 4818 kWh 2065 kWh £1,231 £206 £1,438 £17,742 12.3 yrs £11,009
8 kW 7866 kWh 5506 kWh 2360 kWh £1,407 £236 £1,643 £19,776 12.0 yrs £13,082

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: £1,050, Upfront: £15,423, Break-even: 14.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1967 kWh 1436 kWh 531 kWh £367 £53 £420 £9,319 22.2 yrs £-921
3 kW 2950 kWh 2153 kWh 796 kWh £550 £80 £630 £11,354 18.0 yrs £1,243
4 kW 3933 kWh 2871 kWh 1062 kWh £734 £106 £840 £13,388 15.9 yrs £3,408
5 kW 4916 kWh 3589 kWh 1327 kWh £917 £133 £1,050 £15,423 14.7 yrs £5,572
6 kW 5900 kWh 4307 kWh 1593 kWh £1,100 £159 £1,260 £17,457 13.9 yrs £7,737
7 kW 6883 kWh 5025 kWh 1858 kWh £1,284 £186 £1,470 £19,492 13.3 yrs £9,901
8 kW 7866 kWh 5742 kWh 2124 kWh £1,467 £212 £1,680 £21,526 12.8 yrs £12,065

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: £1,065, Upfront: £17,173, Break-even: 16.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1967 kWh 1475 kWh 492 kWh £377 £49 £426 £11,069 26.0 yrs £-2,549
3 kW 2950 kWh 2212 kWh 737 kWh £565 £74 £639 £13,104 20.5 yrs £-323
4 kW 3933 kWh 2950 kWh 983 kWh £754 £98 £852 £15,138 17.8 yrs £1,902
5 kW 4916 kWh 3687 kWh 1229 kWh £942 £123 £1,065 £17,173 16.1 yrs £4,128
6 kW 5900 kWh 4425 kWh 1475 kWh £1,131 £147 £1,278 £19,207 15.0 yrs £6,354
7 kW 6883 kWh 5162 kWh 1721 kWh £1,319 £172 £1,491 £21,242 14.2 yrs £8,579
8 kW 7866 kWh 5900 kWh 1967 kWh £1,507 £197 £1,704 £23,276 13.7 yrs £10,805

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: £1,080, 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 1967 kWh 1514 kWh 452 kWh £387 £45 £432 £13,519 31.3 yrs £-4,876
3 kW 2950 kWh 2271 kWh 678 kWh £580 £68 £648 £15,554 24.0 yrs £-2,590
4 kW 3933 kWh 3029 kWh 905 kWh £774 £90 £864 £17,588 20.4 yrs £-303
5 kW 4916 kWh 3786 kWh 1131 kWh £967 £113 £1,080 £19,623 18.2 yrs £1,984
6 kW 5900 kWh 4543 kWh 1357 kWh £1,161 £136 £1,296 £21,657 16.7 yrs £4,271
7 kW 6883 kWh 5300 kWh 1583 kWh £1,354 £158 £1,512 £23,692 15.7 yrs £6,557
8 kW 7866 kWh 6057 kWh 1809 kWh £1,548 £181 £1,729 £25,726 14.9 yrs £8,844

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 NG23

Figures below are tailored to NG23 — click through for full league tables.

Big-Roof Britain Rank #37 of 2182
7.2 kWp (UK avg 5.1 kWp)
~15 panels (≈430 W)
Solar Payback Index Rank #1552 of 2997
11.2 years (UK avg 11.3 years)
~£1,095 /yr • £12,207 upfront
Standing-Charge Drag Rank #615 of 2997
16.4% (UK avg 21.7%) drag on savings
£179 fixed • ~£1,095 /yr value

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
983kWh/kW
A 1 kW system generates ~983 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: 71% • Flats: 2% • Bungalows: 27% Based on 4,845 properties

Coverage

Newark and Sherwood (75%)|South Kesteven (17%)|Bassetlaw (4%)|Rushcliffe (3%)

Areas Covered

Collingham, Viking, Muskham, Sutton-on-Trent, Trent, Castle, Farndon & Fernwood, Tuxford and Trent + 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

NG24 (Newark and Sherwood)
≈5.5 km away
Local sunshine: ~975 kWh/kWp · -1% vs NG23
NG25 (Newark and Sherwood)
≈11.2 km away
Local sunshine: ~974 kWh/kWp · -1% vs NG23
NG22 (Newark and Sherwood)
≈15.2 km away
Local sunshine: ~973 kWh/kWp · -1% vs NG23
LN6 (Lincoln)
≈17.0 km away
Local sunshine: ~976 kWh/kWp · -1% vs NG23
NG14 (Gedling)
≈19.8 km away
Local sunshine: ~969 kWh/kWp · -1% vs NG23
NG21 (Newark and Sherwood)
≈20.3 km away
Local sunshine: ~963 kWh/kWp · -2% vs NG23

Similar sunshine across the UK

CR5 (Croydon)
~983 kWh/kWp · +0% vs NG23
OX10 (South Oxfordshire)
~983 kWh/kWp · -0% vs NG23
PL29 (Cornwall)
~983 kWh/kWp · +0% vs NG23