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Solar panel cost in Fenland (PE7)

See realistic solar installation costs, savings and payback for PE7 (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
£8,139
What you pay to get started
Annual Benefit
£832
What you save every year
Profit Over 25 Years
£12,657
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 1005 kWh/kW — 4 below the regional median (1009).

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 1005 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)
1005 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: £832, 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 2010 kWh 804 kWh 1206 kWh £212 £121 £333 £3,256 9.8 yrs £3,399
3 kW 3015 kWh 1206 kWh 1809 kWh £318 £181 £499 £4,883 9.8 yrs £5,099
4 kW 4020 kWh 1608 kWh 2412 kWh £424 £241 £665 £6,511 9.8 yrs £6,798
5 kW 5026 kWh 2010 kWh 3015 kWh £530 £302 £832 £8,139 9.8 yrs £8,498
6 kW 6031 kWh 2412 kWh 3618 kWh £636 £362 £998 £9,767 9.8 yrs £10,197
7 kW 7036 kWh 2814 kWh 4221 kWh £742 £422 £1,165 £11,394 9.8 yrs £11,897
8 kW 8041 kWh 3216 kWh 4825 kWh £848 £482 £1,331 £13,022 9.8 yrs £13,596

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: £996, Upfront: £10,239, Break-even: 10.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2010 kWh 1206 kWh 804 kWh £318 £80 £399 £5,356 13.4 yrs £2,616
3 kW 3015 kWh 1809 kWh 1206 kWh £477 £121 £598 £6,983 11.7 yrs £4,974
4 kW 4020 kWh 2412 kWh 1608 kWh £636 £161 £797 £8,611 10.8 yrs £7,332
5 kW 5026 kWh 3015 kWh 2010 kWh £795 £201 £996 £10,239 10.3 yrs £9,691
6 kW 6031 kWh 3618 kWh 2412 kWh £955 £241 £1,196 £11,867 9.9 yrs £12,049
7 kW 7036 kWh 4221 kWh 2814 kWh £1,114 £281 £1,395 £13,494 9.7 yrs £14,407
8 kW 8041 kWh 4825 kWh 3216 kWh £1,273 £322 £1,594 £15,122 9.5 yrs £16,765

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: £1,079, 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 2010 kWh 1407 kWh 603 kWh £371 £60 £432 £6,756 15.7 yrs £1,875
3 kW 3015 kWh 2111 kWh 905 kWh £557 £90 £647 £8,383 13.0 yrs £4,562
4 kW 4020 kWh 2814 kWh 1206 kWh £742 £121 £863 £10,011 11.6 yrs £7,250
5 kW 5026 kWh 3518 kWh 1508 kWh £928 £151 £1,079 £11,639 10.8 yrs £9,937
6 kW 6031 kWh 4221 kWh 1809 kWh £1,114 £181 £1,295 £13,267 10.2 yrs £12,624
7 kW 7036 kWh 4925 kWh 2111 kWh £1,299 £211 £1,510 £14,894 9.9 yrs £15,312
8 kW 8041 kWh 5629 kWh 2412 kWh £1,485 £241 £1,726 £16,522 9.6 yrs £17,999

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: £1,103, 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 2010 kWh 1467 kWh 543 kWh £387 £54 £441 £8,506 19.3 yrs £322
3 kW 3015 kWh 2201 kWh 814 kWh £581 £81 £662 £10,133 15.3 yrs £3,108
4 kW 4020 kWh 2935 kWh 1086 kWh £774 £109 £883 £11,761 13.3 yrs £5,895
5 kW 5026 kWh 3669 kWh 1357 kWh £968 £136 £1,103 £13,389 12.1 yrs £8,681
6 kW 6031 kWh 4402 kWh 1628 kWh £1,161 £163 £1,324 £15,017 11.3 yrs £11,467
7 kW 7036 kWh 5136 kWh 1900 kWh £1,355 £190 £1,545 £16,644 10.8 yrs £14,253
8 kW 8041 kWh 5870 kWh 2171 kWh £1,548 £217 £1,766 £18,272 10.3 yrs £17,039

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: £1,120, 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 2010 kWh 1508 kWh 503 kWh £398 £50 £448 £10,256 22.9 yrs £-1,296
3 kW 3015 kWh 2261 kWh 754 kWh £597 £75 £672 £11,883 17.7 yrs £1,556
4 kW 4020 kWh 3015 kWh 1005 kWh £795 £101 £896 £13,511 15.1 yrs £4,408
5 kW 5026 kWh 3769 kWh 1256 kWh £994 £126 £1,120 £15,139 13.5 yrs £7,260
6 kW 6031 kWh 4523 kWh 1508 kWh £1,193 £151 £1,344 £16,767 12.5 yrs £10,112
7 kW 7036 kWh 5277 kWh 1759 kWh £1,392 £176 £1,568 £18,394 11.7 yrs £12,964
8 kW 8041 kWh 6031 kWh 2010 kWh £1,591 £201 £1,792 £20,022 11.2 yrs £15,816

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: £1,136, Upfront: £17,589, Break-even: 15.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2010 kWh 1548 kWh 462 kWh £408 £46 £455 £12,706 28.0 yrs £-3,614
3 kW 3015 kWh 2322 kWh 694 kWh £612 £69 £682 £14,333 21.0 yrs £-696
4 kW 4020 kWh 3096 kWh 925 kWh £817 £92 £909 £15,961 17.6 yrs £2,221
5 kW 5026 kWh 3870 kWh 1156 kWh £1,021 £116 £1,136 £17,589 15.5 yrs £5,139
6 kW 6031 kWh 4644 kWh 1387 kWh £1,225 £139 £1,364 £19,217 14.1 yrs £8,057
7 kW 7036 kWh 5418 kWh 1618 kWh £1,429 £162 £1,591 £20,844 13.1 yrs £10,975
8 kW 8041 kWh 6191 kWh 1849 kWh £1,633 £185 £1,818 £22,472 12.4 yrs £13,893

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 PE7

Figures below are tailored to PE7 — click through for full league tables.

Big-Roof Britain Rank #840 of 2182
5.2 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #683 of 2996
9.8 years (UK avg 10.8 years)
~£832 /yr • £8,139 upfront
Standing-Charge Drag Rank #1137 of 2996
23.7% (UK avg 26.6%) drag on savings
£197 fixed • ~£832 /yr value
Aspect Penalty View ranking →
East −22.7% West −20.5%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PE7

Monthly generation per kilowatt of solar panels

kWh 39 Jan 54 Feb 86 Mar 112 Apr 120 May 119 Jun 120 Jul 111 Aug 94 Sep 68 Oct 48 Nov 35 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.9% of an average month (Dec–Feb)

Best / worst month: Jul / 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 171 kWh in winter, or 335 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.38p/kWh
Daily Fixed Charge
53.94p/day
Local Sunshine
1005kWh/kW
A 1 kW system generates ~1005 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: 78% • Flats: 12% • Bungalows: 10% Based on 15,939 properties

Coverage

Fenland (38%)|Peterborough (34%)|Huntingdonshire (27%)

Areas Covered

Hargate and Hempsted, Yaxley, Whittlesey South, Hampton Vale, Whittlesey East & Villages, Stilton, Folksworth & Washingley, Whittlesey North West + 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 Eastern

PE2 (Peterborough)
≈3.3 km away
Local sunshine: ~1,001 kWh/kWp · -0% vs PE7
PE3 (Peterborough)
≈5.3 km away
Local sunshine: ~1,001 kWh/kWp · -0% vs PE7
PE1 (Peterborough)
≈5.5 km away
Local sunshine: ~1,001 kWh/kWp · -0% vs PE7
PE5 (Peterborough)
≈7.8 km away
Local sunshine: ~1,007 kWh/kWp · +0% vs PE7
PE4 (Peterborough)
≈8.2 km away
Local sunshine: ~1,004 kWh/kWp · -0% vs PE7
PE99 (Peterborough)
≈8.6 km away
Local sunshine: ~1,004 kWh/kWp · -0% vs PE7

Similar sunshine across the UK

RH10 (Crawley)
~1,005 kWh/kWp · -0% vs PE7
E11 (Waltham Forest)
~1,005 kWh/kWp · +0% vs PE7
E7 (Newham)
~1,005 kWh/kWp · -0% vs PE7