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Solar panel cost in South Holland (PE12)

See realistic solar installation costs, savings and payback for PE12 (South Holland) in under a minute using official UK data. Start with the calculator, then get a no-obligation quote from an MCS-certified installer. You can also ask the SolarByPostcode assistant to sanity-check your roof, bills and plans.

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
10.0 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£981
What you save every year
Profit Over 25 Years
£14,767
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: The official cost per kW is lower above 4 kW, so a 5–6 kW system can pay back a little faster than a 3–4 kW system on otherwise identical assumptions.
  • 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

Panel costs: Uses March 2026 TIC mean installation costs: £1,827/kW up to 4 kW and £1,628/kW above 4 kW.

Other costs: Battery prices are modelled at £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 25.10p/kWh with a 53.60p/day standing charge. Your postcode’s south-facing sunshine yield is 1020 kWh/kW — 51 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 1020 kWh per year on a south-facing roof. We value self-used electricity at 25.1p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.1p/kWh
Standing charge
53.6p/day
Sunshine yield (south)
1020 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: £818, Upfront: £8,139, Break-even: 10.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 816 kWh 1224 kWh £205 £122 £327 £3,256 10.0 yrs £3,287
3 kW 3059 kWh 1224 kWh 1835 kWh £307 £184 £491 £4,883 10.0 yrs £4,930
4 kW 4079 kWh 1631 kWh 2447 kWh £409 £245 £654 £6,511 10.0 yrs £6,573
5 kW 5098 kWh 2039 kWh 3059 kWh £512 £306 £818 £8,139 10.0 yrs £8,217
6 kW 6118 kWh 2447 kWh 3671 kWh £614 £367 £981 £9,767 10.0 yrs £9,860
7 kW 7138 kWh 2855 kWh 4283 kWh £717 £428 £1,145 £11,394 10.0 yrs £11,503
8 kW 8157 kWh 3263 kWh 4894 kWh £819 £489 £1,308 £13,022 10.0 yrs £13,147

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £972, Upfront: £10,239, Break-even: 10.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 1224 kWh 816 kWh £307 £82 £389 £5,356 13.8 yrs £2,418
3 kW 3059 kWh 1835 kWh 1224 kWh £461 £122 £583 £6,983 12.0 yrs £4,678
4 kW 4079 kWh 2447 kWh 1631 kWh £614 £163 £777 £8,611 11.1 yrs £6,937
5 kW 5098 kWh 3059 kWh 2039 kWh £768 £204 £972 £10,239 10.5 yrs £9,196
6 kW 6118 kWh 3671 kWh 2447 kWh £921 £245 £1,166 £11,867 10.2 yrs £11,455
7 kW 7138 kWh 4283 kWh 2855 kWh £1,075 £286 £1,360 £13,494 9.9 yrs £13,715
8 kW 8157 kWh 4894 kWh 3263 kWh £1,228 £326 £1,555 £15,122 9.7 yrs £15,974

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £1,049, Upfront: £11,639, Break-even: 11.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 1428 kWh 612 kWh £358 £61 £419 £6,756 16.1 yrs £1,634
3 kW 3059 kWh 2141 kWh 918 kWh £537 £92 £629 £8,383 13.3 yrs £4,201
4 kW 4079 kWh 2855 kWh 1224 kWh £717 £122 £839 £10,011 11.9 yrs £6,769
5 kW 5098 kWh 3569 kWh 1530 kWh £896 £153 £1,049 £11,639 11.1 yrs £9,336
6 kW 6118 kWh 4283 kWh 1835 kWh £1,075 £184 £1,258 £13,267 10.5 yrs £11,903
7 kW 7138 kWh 4996 kWh 2141 kWh £1,254 £214 £1,468 £14,894 10.1 yrs £14,470
8 kW 8157 kWh 5710 kWh 2447 kWh £1,433 £245 £1,678 £16,522 9.8 yrs £17,037

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £1,072, Upfront: £13,389, Break-even: 12.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 1489 kWh 551 kWh £374 £55 £429 £8,506 19.8 yrs £69
3 kW 3059 kWh 2233 kWh 826 kWh £561 £83 £643 £10,133 15.8 yrs £2,729
4 kW 4079 kWh 2977 kWh 1101 kWh £747 £110 £857 £11,761 13.7 yrs £5,388
5 kW 5098 kWh 3722 kWh 1377 kWh £934 £138 £1,072 £13,389 12.5 yrs £8,048
6 kW 6118 kWh 4466 kWh 1652 kWh £1,121 £165 £1,286 £15,017 11.7 yrs £10,707
7 kW 7138 kWh 5211 kWh 1927 kWh £1,308 £193 £1,501 £16,644 11.1 yrs £13,367
8 kW 8157 kWh 5955 kWh 2202 kWh £1,495 £220 £1,715 £18,272 10.7 yrs £16,026

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £1,087, Upfront: £15,139, Break-even: 13.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 1530 kWh 510 kWh £384 £51 £435 £10,256 23.6 yrs £-1,558
3 kW 3059 kWh 2294 kWh 765 kWh £576 £76 £652 £11,883 18.2 yrs £1,163
4 kW 4079 kWh 3059 kWh 1020 kWh £768 £102 £870 £13,511 15.5 yrs £3,885
5 kW 5098 kWh 3824 kWh 1275 kWh £960 £127 £1,087 £15,139 13.9 yrs £6,606
6 kW 6118 kWh 4589 kWh 1530 kWh £1,152 £153 £1,305 £16,767 12.9 yrs £9,327
7 kW 7138 kWh 5353 kWh 1784 kWh £1,344 £178 £1,522 £18,394 12.1 yrs £12,048
8 kW 8157 kWh 6118 kWh 2039 kWh £1,536 £204 £1,740 £20,022 11.5 yrs £14,769

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £1,103, Upfront: £17,589, Break-even: 16.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2039 kWh 1570 kWh 469 kWh £394 £47 £441 £12,706 28.8 yrs £-3,885
3 kW 3059 kWh 2355 kWh 704 kWh £591 £70 £662 £14,333 21.7 yrs £-1,102
4 kW 4079 kWh 3141 kWh 938 kWh £788 £94 £882 £15,961 18.1 yrs £1,681
5 kW 5098 kWh 3926 kWh 1173 kWh £985 £117 £1,103 £17,589 16.0 yrs £4,464
6 kW 6118 kWh 4711 kWh 1407 kWh £1,182 £141 £1,323 £19,217 14.5 yrs £7,246
7 kW 7138 kWh 5496 kWh 1642 kWh £1,380 £164 £1,544 £20,844 13.5 yrs £10,029
8 kW 8157 kWh 6281 kWh 1876 kWh £1,577 £188 £1,764 £22,472 12.7 yrs £12,812

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, 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.

Before you request quotes in South Holland

Use the numbers above to sanity-check installer quotes. The main things to compare are system size, battery assumptions, payback claims, MCS certification, DNO paperwork and export assumptions.

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Check what MCS certification means

Understand DNO, G98 and G99 export limits

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Insights for PE12

Figures below are tailored to PE12 — click through for full league tables.

Big-Roof Britain Rank #264 of 2182
6.0 kWp (UK avg 5.1 kWp)
~13 panels (≈430 W)
Solar Payback Index Rank #900 of 2996
9.9 years (UK avg 10.8 years)
~£982 /yr • £9,767 upfront
Standing-Charge Drag Rank #567 of 2996
20.0% (UK avg 26.6%) drag on savings
£196 fixed • ~£982 /yr value
Aspect Penalty View ranking →
East −23.0% West −21.0%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PE12

Monthly generation per kilowatt of solar panels

kWh 39 Jan 54 Feb 89 Mar 115 Apr 123 May 121 Jun 122 Jul 112 Aug 95 Sep 69 Oct 47 Nov 34 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.0% of an average month (Dec–Feb)

Best / worst month: May / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 42 kWh per month; the average month produces around 85 kWh. So a typical 4 kW home system would generate roughly 170 kWh in winter, or 340 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.10p/kWh
Daily Fixed Charge
53.60p/day
Local Sunshine
1020kWh/kW
A 1 kW system generates ~1020 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: 64% • Flats: 3% • Bungalows: 32% Based on 13,441 properties

Coverage

South Holland (100%)

Areas Covered

Holbeach Town, Moulton, Weston and Cowbit, Long Sutton, Whaplode and Holbeach St John's, Sutton Bridge, Fleet, The Saints + 5 more

Data Sources & Assumptions

Solar yield: PVGIS (EU Joint Research Centre), January 2025 data

Electricity rates: Ofgem price cap, Q3 2026

Installation costs: DESNZ/MCS data, March 2026 (TIC)

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

PE11 (South Holland)
≈11.6 km away
Local sunshine: ~1,009 kWh/kWp · -1% vs PE12
PE20 (Boston)
≈16.5 km away
Local sunshine: ~1,019 kWh/kWp · -0% vs PE12
PE21 (Boston)
≈19.9 km away
Local sunshine: ~1,016 kWh/kWp · -0% vs PE12
PE6 (Peterborough)
≈25.0 km away
Local sunshine: ~1,010 kWh/kWp · -1% vs PE12
PE10 (South Kesteven)
≈26.7 km away
Local sunshine: ~1,004 kWh/kWp · -2% vs PE12
PE22 (East Lindsey)
≈27.1 km away
Local sunshine: ~1,010 kWh/kWp · -1% vs PE12

Similar sunshine across the UK

TA6 (Somerset)
~1,020 kWh/kWp · +0% vs PE12
BA8 (Somerset)
~1,020 kWh/kWp · -0% vs PE12
EX33 (North Devon)
~1,020 kWh/kWp · +0% vs PE12