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Solar panel cost in Fenland (PE15)

See realistic solar installation costs, savings and payback for PE15 (Fenland) 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
9.8 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£1,001
What you save every year
Profit Over 25 Years
£15,266
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 Eastern, the current unit rate is 26.38p/kWh with a 53.94p/day standing charge. Your postcode’s south-facing sunshine yield is 1008 kWh/kW — 1 below the regional median (1009).

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 1008 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
53.9p/day
Sunshine yield (south)
1008 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: £834, Upfront: £8,139, Break-even: 9.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2016 kWh 807 kWh 1210 kWh £213 £121 £334 £3,256 9.8 yrs £3,420
3 kW 3025 kWh 1210 kWh 1815 kWh £319 £181 £501 £4,883 9.8 yrs £5,130
4 kW 4033 kWh 1613 kWh 2420 kWh £426 £242 £668 £6,511 9.8 yrs £6,840
5 kW 5041 kWh 2016 kWh 3025 kWh £532 £302 £834 £8,139 9.8 yrs £8,550
6 kW 6049 kWh 2420 kWh 3630 kWh £638 £363 £1,001 £9,767 9.8 yrs £10,260
7 kW 7058 kWh 2823 kWh 4235 kWh £745 £423 £1,168 £11,394 9.8 yrs £11,969
8 kW 8066 kWh 3226 kWh 4840 kWh £851 £484 £1,335 £13,022 9.8 yrs £13,679

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: £1,000, Upfront: £10,239, Break-even: 10.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2016 kWh 1210 kWh 807 kWh £319 £81 £400 £5,356 13.4 yrs £2,641
3 kW 3025 kWh 1815 kWh 1210 kWh £479 £121 £600 £6,983 11.6 yrs £5,012
4 kW 4033 kWh 2420 kWh 1613 kWh £638 £161 £800 £8,611 10.8 yrs £7,382
5 kW 5041 kWh 3025 kWh 2016 kWh £798 £202 £1,000 £10,239 10.2 yrs £9,753
6 kW 6049 kWh 3630 kWh 2420 kWh £958 £242 £1,199 £11,867 9.9 yrs £12,123
7 kW 7058 kWh 4235 kWh 2823 kWh £1,117 £282 £1,399 £13,494 9.6 yrs £14,494
8 kW 8066 kWh 4840 kWh 3226 kWh £1,277 £323 £1,599 £15,122 9.5 yrs £16,864

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: £1,082, Upfront: £11,639, Break-even: 10.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2016 kWh 1412 kWh 605 kWh £372 £60 £433 £6,756 15.6 yrs £1,902
3 kW 3025 kWh 2117 kWh 907 kWh £559 £91 £649 £8,383 12.9 yrs £4,602
4 kW 4033 kWh 2823 kWh 1210 kWh £745 £121 £866 £10,011 11.6 yrs £7,303
5 kW 5041 kWh 3529 kWh 1512 kWh £931 £151 £1,082 £11,639 10.8 yrs £10,004
6 kW 6049 kWh 4235 kWh 1815 kWh £1,117 £181 £1,299 £13,267 10.2 yrs £12,705
7 kW 7058 kWh 4940 kWh 2117 kWh £1,303 £212 £1,515 £14,894 9.8 yrs £15,406
8 kW 8066 kWh 5646 kWh 2420 kWh £1,489 £242 £1,731 £16,522 9.5 yrs £18,107

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: £1,107, Upfront: £13,389, Break-even: 12.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2016 kWh 1472 kWh 544 kWh £388 £54 £443 £8,506 19.2 yrs £350
3 kW 3025 kWh 2208 kWh 817 kWh £582 £82 £664 £10,133 15.3 yrs £3,150
4 kW 4033 kWh 2944 kWh 1089 kWh £777 £109 £886 £11,761 13.3 yrs £5,950
5 kW 5041 kWh 3680 kWh 1361 kWh £971 £136 £1,107 £13,389 12.1 yrs £8,750
6 kW 6049 kWh 4416 kWh 1633 kWh £1,165 £163 £1,328 £15,017 11.3 yrs £11,549
7 kW 7058 kWh 5152 kWh 1906 kWh £1,359 £191 £1,550 £16,644 10.7 yrs £14,349
8 kW 8066 kWh 5888 kWh 2178 kWh £1,553 £218 £1,771 £18,272 10.3 yrs £17,149

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: £1,123, Upfront: £15,139, 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 2016 kWh 1512 kWh 504 kWh £399 £50 £449 £10,256 22.8 yrs £-1,268
3 kW 3025 kWh 2269 kWh 756 kWh £598 £76 £674 £11,883 17.6 yrs £1,598
4 kW 4033 kWh 3025 kWh 1008 kWh £798 £101 £899 £13,511 15.0 yrs £4,464
5 kW 5041 kWh 3781 kWh 1260 kWh £997 £126 £1,123 £15,139 13.5 yrs £7,330
6 kW 6049 kWh 4537 kWh 1512 kWh £1,197 £151 £1,348 £16,767 12.4 yrs £10,196
7 kW 7058 kWh 5293 kWh 1764 kWh £1,396 £176 £1,573 £18,394 11.7 yrs £13,062
8 kW 8066 kWh 6049 kWh 2016 kWh £1,596 £202 £1,797 £20,022 11.1 yrs £15,928

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: £1,140, Upfront: £17,589, Break-even: 15.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2016 kWh 1553 kWh 464 kWh £410 £46 £456 £12,706 27.9 yrs £-3,586
3 kW 3025 kWh 2329 kWh 696 kWh £614 £70 £684 £14,333 21.0 yrs £-654
4 kW 4033 kWh 3105 kWh 928 kWh £819 £93 £912 £15,961 17.5 yrs £2,278
5 kW 5041 kWh 3882 kWh 1159 kWh £1,024 £116 £1,140 £17,589 15.4 yrs £5,210
6 kW 6049 kWh 4658 kWh 1391 kWh £1,229 £139 £1,368 £19,217 14.0 yrs £8,142
7 kW 7058 kWh 5434 kWh 1623 kWh £1,434 £162 £1,596 £20,844 13.1 yrs £11,074
8 kW 8066 kWh 6211 kWh 1855 kWh £1,638 £186 £1,824 £22,472 12.3 yrs £14,006

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 Fenland

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 PE15

Figures below are tailored to PE15 — click through for full league tables.

Big-Roof Britain Rank #477 of 2182
5.6 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #672 of 2996
9.8 years (UK avg 10.8 years)
~£1,001 /yr • £9,767 upfront
Standing-Charge Drag Rank #455 of 2996
19.7% (UK avg 26.6%) drag on savings
£197 fixed • ~£1,001 /yr value
Aspect Penalty View ranking →
East −22.8% West −20.5%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PE15

Monthly generation per kilowatt of solar panels

kWh 39 Jan 54 Feb 87 Mar 113 Apr 121 May 119 Jun 120 Jul 111 Aug 94 Sep 67 Oct 48 Nov 35 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.7% 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 43 kWh per month; the average month produces around 84 kWh. So a typical 4 kW home system would generate roughly 170 kWh in winter, or 336 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.38p/kWh
Daily Fixed Charge
53.94p/day
Local Sunshine
1008kWh/kW
A 1 kW system generates ~1008 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: 61% • Flats: 10% • Bungalows: 28% Based on 9,377 properties

Coverage

Fenland (100%)

Areas Covered

March West & Benwick, March North, Doddington & Wimblington, March East, March South, Chatteris North & Manea, Elm & Christchurch, Ramsey + 1 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 Eastern

PE16 (Fenland)
≈11.1 km away
Local sunshine: ~1,006 kWh/kWp · -0% vs PE15
PE14 (King's Lynn and West Norfolk)
≈13.2 km away
Local sunshine: ~1,014 kWh/kWp · +1% vs PE15
PE13 (Fenland)
≈13.7 km away
Local sunshine: ~1,015 kWh/kWp · +1% vs PE15
PE26 (Huntingdonshire)
≈17.4 km away
Local sunshine: ~1,012 kWh/kWp · +0% vs PE15
CB6 (East Cambridgeshire)
≈19.9 km away
Local sunshine: ~1,001 kWh/kWp · -1% vs PE15
PE38 (King's Lynn and West Norfolk)
≈20.5 km away
Local sunshine: ~998 kWh/kWp · -1% vs PE15

Similar sunshine across the UK

OX12 (Vale of White Horse)
~1,008 kWh/kWp · -0% vs PE15
CF14 (Cardiff)
~1,008 kWh/kWp · +0% vs PE15
RH11 (Crawley)
~1,008 kWh/kWp · +0% vs PE15