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Solar panel cost in Fife (KY9)

See realistic solar installation costs, savings and payback for KY9 (Fife) 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
11.1 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£883
What you save every year
Profit Over 25 Years
£12,306
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 Southern Scotland, the current unit rate is 25.85p/kWh with a 64.17p/day standing charge. Your postcode’s south-facing sunshine yield is 901 kWh/kW — 51 above the regional median (850).

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 901 kWh per year on a south-facing roof. We value self-used electricity at 25.9p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.9p/kWh
Standing charge
64.2p/day
Sunshine yield (south)
901 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: £736, Upfront: £8,139, 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 1801 kWh 720 kWh 1081 kWh £186 £108 £294 £3,256 11.1 yrs £2,631
3 kW 2702 kWh 1081 kWh 1621 kWh £279 £162 £441 £4,883 11.1 yrs £3,946
4 kW 3602 kWh 1441 kWh 2161 kWh £372 £216 £589 £6,511 11.1 yrs £5,261
5 kW 4503 kWh 1801 kWh 2702 kWh £466 £270 £736 £8,139 11.1 yrs £6,576
6 kW 5403 kWh 2161 kWh 3242 kWh £559 £324 £883 £9,767 11.1 yrs £7,892
7 kW 6304 kWh 2522 kWh 3782 kWh £652 £378 £1,030 £11,394 11.1 yrs £9,207
8 kW 7204 kWh 2882 kWh 4323 kWh £745 £432 £1,177 £13,022 11.1 yrs £10,522

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: £878, Upfront: £10,239, Break-even: 11.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1801 kWh 1081 kWh 720 kWh £279 £72 £351 £5,356 15.2 yrs £1,672
3 kW 2702 kWh 1621 kWh 1081 kWh £419 £108 £527 £6,983 13.2 yrs £3,559
4 kW 3602 kWh 2161 kWh 1441 kWh £559 £144 £703 £8,611 12.3 yrs £5,445
5 kW 4503 kWh 2702 kWh 1801 kWh £698 £180 £878 £10,239 11.7 yrs £7,331
6 kW 5403 kWh 3242 kWh 2161 kWh £838 £216 £1,054 £11,867 11.3 yrs £9,217
7 kW 6304 kWh 3782 kWh 2522 kWh £978 £252 £1,230 £13,494 11.0 yrs £11,104
8 kW 7204 kWh 4323 kWh 2882 kWh £1,117 £288 £1,406 £15,122 10.8 yrs £12,990

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: £950, Upfront: £11,639, Break-even: 12.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1801 kWh 1261 kWh 540 kWh £326 £54 £380 £6,756 17.8 yrs £843
3 kW 2702 kWh 1891 kWh 811 kWh £489 £81 £570 £8,383 14.7 yrs £3,015
4 kW 3602 kWh 2522 kWh 1081 kWh £652 £108 £760 £10,011 13.2 yrs £5,187
5 kW 4503 kWh 3152 kWh 1351 kWh £815 £135 £950 £11,639 12.3 yrs £7,359
6 kW 5403 kWh 3782 kWh 1621 kWh £978 £162 £1,140 £13,267 11.6 yrs £9,530
7 kW 6304 kWh 4413 kWh 1891 kWh £1,141 £189 £1,330 £14,894 11.2 yrs £11,702
8 kW 7204 kWh 5043 kWh 2161 kWh £1,304 £216 £1,520 £16,522 10.9 yrs £13,874

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: £971, Upfront: £13,389, Break-even: 13.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1801 kWh 1315 kWh 486 kWh £340 £49 £389 £8,506 21.9 yrs £-735
3 kW 2702 kWh 1972 kWh 729 kWh £510 £73 £583 £10,133 17.4 yrs £1,522
4 kW 3602 kWh 2630 kWh 973 kWh £680 £97 £777 £11,761 15.1 yrs £3,779
5 kW 4503 kWh 3287 kWh 1216 kWh £850 £122 £971 £13,389 13.8 yrs £6,037
6 kW 5403 kWh 3944 kWh 1459 kWh £1,020 £146 £1,166 £15,017 12.9 yrs £8,294
7 kW 6304 kWh 4602 kWh 1702 kWh £1,190 £170 £1,360 £16,644 12.2 yrs £10,551
8 kW 7204 kWh 5259 kWh 1945 kWh £1,360 £195 £1,554 £18,272 11.8 yrs £12,809

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: £986, Upfront: £15,139, 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 1801 kWh 1351 kWh 450 kWh £349 £45 £394 £10,256 26.0 yrs £-2,371
3 kW 2702 kWh 2026 kWh 675 kWh £524 £68 £591 £11,883 20.1 yrs £-57
4 kW 3602 kWh 2702 kWh 901 kWh £698 £90 £788 £13,511 17.1 yrs £2,258
5 kW 4503 kWh 3377 kWh 1126 kWh £873 £113 £986 £15,139 15.4 yrs £4,572
6 kW 5403 kWh 4053 kWh 1351 kWh £1,048 £135 £1,183 £16,767 14.2 yrs £6,887
7 kW 6304 kWh 4728 kWh 1576 kWh £1,222 £158 £1,380 £18,394 13.3 yrs £9,201
8 kW 7204 kWh 5403 kWh 1801 kWh £1,397 £180 £1,577 £20,022 12.7 yrs £11,516

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: £1,000, Upfront: £17,589, Break-even: 17.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1801 kWh 1387 kWh 414 kWh £359 £41 £400 £12,706 31.8 yrs £-4,707
3 kW 2702 kWh 2080 kWh 621 kWh £538 £62 £600 £14,333 23.9 yrs £-2,335
4 kW 3602 kWh 2774 kWh 829 kWh £717 £83 £800 £15,961 20.0 yrs £36
5 kW 4503 kWh 3467 kWh 1036 kWh £896 £104 £1,000 £17,589 17.6 yrs £2,408
6 kW 5403 kWh 4161 kWh 1243 kWh £1,076 £124 £1,200 £19,217 16.0 yrs £4,779
7 kW 6304 kWh 4854 kWh 1450 kWh £1,255 £145 £1,400 £20,844 14.9 yrs £7,151
8 kW 7204 kWh 5547 kWh 1657 kWh £1,434 £166 £1,600 £22,472 14.0 yrs £9,522

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 Fife

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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Understand DNO, G98 and G99 export limits

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Insights for KY9

Figures below are tailored to KY9 — click through for full league tables.

Solar Payback Index Rank #2082 of 2996
11.1 years (UK avg 10.8 years)
~£883 /yr • £9,767 upfront
Standing-Charge Drag Rank #1664 of 2996
26.5% (UK avg 26.6%) drag on savings
£234 fixed • ~£883 /yr value
Aspect Penalty View ranking →
East −23.0% West −23.2%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in KY9

Monthly generation per kilowatt of solar panels

kWh 29 Jan 44 Feb 78 Mar 108 Apr 122 May 113 Jun 115 Jul 100 Aug 79 Sep 53 Oct 36 Nov 22 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 42.4% 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 32 kWh per month; the average month produces around 75 kWh. So a typical 4 kW home system would generate roughly 127 kWh in winter, or 300 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.85p/kWh
Daily Fixed Charge
64.17p/day
Local Sunshine
901kWh/kW
A 1 kW system generates ~901 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

No EPC data available for this outcode

Coverage

Fife (100%)

Areas Covered

East Neuk and Landward, Leven, Kennoway and Largo

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 Southern Scotland

KY10 (Fife)
≈8.2 km away
Local sunshine: ~931 kWh/kWp · +3% vs KY9
KY8 (Fife)
≈11.4 km away
Local sunshine: ~862 kWh/kWp · -4% vs KY9
KY16 (Fife)
≈15.1 km away
Local sunshine: ~945 kWh/kWp · +5% vs KY9
KY15 (Fife)
≈17.0 km away
Local sunshine: ~929 kWh/kWp · +3% vs KY9
EH39 (East Lothian)
≈17.5 km away
Local sunshine: ~914 kWh/kWp · +1% vs KY9
EH31 (East Lothian)
≈18.4 km away
Local sunshine: ~940 kWh/kWp · +4% vs KY9

Similar sunshine across the UK

LL28 (Conwy)
~900 kWh/kWp · -0% vs KY9
WN3 (Wigan)
~901 kWh/kWp · +0% vs KY9
DE45 (Derbyshire Dales)
~901 kWh/kWp · +0% vs KY9