Solar explained to clever people by people who are not trying to be clever

Solar Panels in LE67 (North West Leicestershire)

See if solar pays off for you in North West Leicestershire — 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
£10,173
What you pay to get started
Annual Benefit
£773
What you save every year
Profit Over 25 Years
£9,142
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

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 953 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)
953 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: £773, 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 1905 kWh 762 kWh 1143 kWh £195 £114 £309 £4,069 13.2 yrs £2,112
3 kW 2858 kWh 1143 kWh 1715 kWh £292 £171 £464 £6,104 13.2 yrs £3,167
4 kW 3810 kWh 1524 kWh 2286 kWh £389 £229 £618 £8,138 13.2 yrs £4,223
5 kW 4763 kWh 1905 kWh 2858 kWh £487 £286 £773 £10,173 13.2 yrs £5,279
6 kW 5716 kWh 2286 kWh 3429 kWh £584 £343 £927 £12,207 13.2 yrs £6,335
7 kW 6668 kWh 2667 kWh 4001 kWh £682 £400 £1,082 £14,242 13.2 yrs £7,391
8 kW 7621 kWh 3048 kWh 4573 kWh £779 £457 £1,236 £16,276 13.2 yrs £8,446

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: £921, 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 1905 kWh 1143 kWh 762 kWh £292 £76 £368 £6,169 16.8 yrs £1,197
3 kW 2858 kWh 1715 kWh 1143 kWh £438 £114 £552 £8,204 14.9 yrs £2,845
4 kW 3810 kWh 2286 kWh 1524 kWh £584 £152 £737 £10,238 13.9 yrs £4,493
5 kW 4763 kWh 2858 kWh 1905 kWh £730 £191 £921 £12,273 13.3 yrs £6,142
6 kW 5716 kWh 3429 kWh 2286 kWh £876 £229 £1,105 £14,307 12.9 yrs £7,790
7 kW 6668 kWh 4001 kWh 2667 kWh £1,022 £267 £1,289 £16,342 12.7 yrs £9,438
8 kW 7621 kWh 4573 kWh 3048 kWh £1,168 £305 £1,473 £18,376 12.5 yrs £11,087

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: £995, 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 1905 kWh 1334 kWh 572 kWh £341 £57 £398 £7,569 19.0 yrs £389
3 kW 2858 kWh 2001 kWh 857 kWh £511 £86 £597 £9,604 16.1 yrs £2,334
4 kW 3810 kWh 2667 kWh 1143 kWh £682 £114 £796 £11,638 14.6 yrs £4,278
5 kW 4763 kWh 3334 kWh 1429 kWh £852 £143 £995 £13,673 13.7 yrs £6,223
6 kW 5716 kWh 4001 kWh 1715 kWh £1,022 £171 £1,194 £15,707 13.2 yrs £8,168
7 kW 6668 kWh 4668 kWh 2001 kWh £1,193 £200 £1,393 £17,742 12.7 yrs £10,112
8 kW 7621 kWh 5335 kWh 2286 kWh £1,363 £229 £1,592 £19,776 12.4 yrs £12,057

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: £1,017, 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 1905 kWh 1391 kWh 514 kWh £355 £51 £407 £9,319 22.9 yrs £-1,183
3 kW 2858 kWh 2086 kWh 772 kWh £533 £77 £610 £11,354 18.6 yrs £850
4 kW 3810 kWh 2782 kWh 1029 kWh £711 £103 £814 £13,388 16.5 yrs £2,884
5 kW 4763 kWh 3477 kWh 1286 kWh £888 £129 £1,017 £15,423 15.2 yrs £4,917
6 kW 5716 kWh 4172 kWh 1543 kWh £1,066 £154 £1,220 £17,457 14.3 yrs £6,951
7 kW 6668 kWh 4868 kWh 1800 kWh £1,244 £180 £1,424 £19,492 13.7 yrs £8,984
8 kW 7621 kWh 5563 kWh 2058 kWh £1,421 £206 £1,627 £21,526 13.2 yrs £11,018

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: £1,032, 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 1905 kWh 1429 kWh 476 kWh £365 £48 £413 £11,069 26.8 yrs £-2,815
3 kW 2858 kWh 2143 kWh 714 kWh £548 £71 £619 £13,104 21.2 yrs £-722
4 kW 3810 kWh 2858 kWh 953 kWh £730 £95 £825 £15,138 18.3 yrs £1,371
5 kW 4763 kWh 3572 kWh 1191 kWh £913 £119 £1,032 £17,173 16.6 yrs £3,464
6 kW 5716 kWh 4287 kWh 1429 kWh £1,095 £143 £1,238 £19,207 15.5 yrs £5,556
7 kW 6668 kWh 5001 kWh 1667 kWh £1,278 £167 £1,445 £21,242 14.7 yrs £7,649
8 kW 7621 kWh 5716 kWh 1905 kWh £1,460 £191 £1,651 £23,276 14.1 yrs £9,742

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: £1,047, 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 1905 kWh 1467 kWh 438 kWh £375 £44 £419 £13,519 32.3 yrs £-5,146
3 kW 2858 kWh 2201 kWh 657 kWh £562 £66 £628 £15,554 24.8 yrs £-2,994
4 kW 3810 kWh 2934 kWh 876 kWh £750 £88 £837 £17,588 21.0 yrs £-842
5 kW 4763 kWh 3668 kWh 1096 kWh £937 £110 £1,047 £19,623 18.7 yrs £1,310
6 kW 5716 kWh 4401 kWh 1315 kWh £1,124 £131 £1,256 £21,657 17.2 yrs £3,462
7 kW 6668 kWh 5135 kWh 1534 kWh £1,312 £153 £1,465 £23,692 16.2 yrs £5,614
8 kW 7621 kWh 5868 kWh 1753 kWh £1,499 £175 £1,675 £25,726 15.4 yrs £7,766

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.

Your Area at a Glance

Your Electricity Rate
25.55p/kWh
Daily Fixed Charge
49.09p/day
Local Sunshine
953kWh/kW
A 1 kW system generates ~953 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: 80% • Flats: 7% • Bungalows: 13% Based on 17,394 properties

Coverage

North West Leicestershire (86%)|Hinckley and Bosworth (13%)|Charnwood (1%)

Areas Covered

Snibston North, Markfield, Stanton and Fieldhead, Coalville West, Hugglescote St John's, Ellistown & Battleflat, Valley, Ibstock West + 6 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.