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Solar Panels in FK12 (Clackmannanshire)

See if solar pays off for you in Clackmannanshire — 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
14.7 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£829
What you save every year
Profit Over 25 Years
£8,510
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

In Southern Scotland, the current unit rate is 25.84p/kWh with a 56.55p/day standing charge. Your postcode’s south-facing sunshine yield is 845 kWh/kW — 4 below 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 845 kWh per year on a south-facing roof. We value self-used electricity at 25.8p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.8p/kWh
Standing charge
56.5p/day
Sunshine yield (south)
845 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: £691, Upfront: £10,173, Break-even: 14.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 676 kWh 1015 kWh £175 £101 £276 £4,069 14.7 yrs £1,455
3 kW 2536 kWh 1015 kWh 1522 kWh £262 £152 £414 £6,104 14.7 yrs £2,183
4 kW 3382 kWh 1353 kWh 2029 kWh £350 £203 £552 £8,138 14.7 yrs £2,911
5 kW 4227 kWh 1691 kWh 2536 kWh £437 £254 £691 £10,173 14.7 yrs £3,639
6 kW 5073 kWh 2029 kWh 3044 kWh £524 £304 £829 £12,207 14.7 yrs £4,366
7 kW 5918 kWh 2367 kWh 3551 kWh £612 £355 £967 £14,242 14.7 yrs £5,094
8 kW 6764 kWh 2705 kWh 4058 kWh £699 £406 £1,105 £16,276 14.7 yrs £5,822

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: £824, Upfront: £12,273, Break-even: 14.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 1015 kWh 676 kWh £262 £68 £330 £6,169 18.7 yrs £427
3 kW 2536 kWh 1522 kWh 1015 kWh £393 £101 £495 £8,204 16.6 yrs £1,690
4 kW 3382 kWh 2029 kWh 1353 kWh £524 £135 £660 £10,238 15.5 yrs £2,954
5 kW 4227 kWh 2536 kWh 1691 kWh £655 £169 £824 £12,273 14.9 yrs £4,217
6 kW 5073 kWh 3044 kWh 2029 kWh £786 £203 £989 £14,307 14.5 yrs £5,481
7 kW 5918 kWh 3551 kWh 2367 kWh £918 £237 £1,154 £16,342 14.2 yrs £6,744
8 kW 6764 kWh 4058 kWh 2705 kWh £1,049 £271 £1,319 £18,376 13.9 yrs £8,007

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: £891, Upfront: £13,673, Break-even: 15.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 1184 kWh 507 kWh £306 £51 £357 £7,569 21.2 yrs £-437
3 kW 2536 kWh 1775 kWh 761 kWh £459 £76 £535 £9,604 18.0 yrs £1,094
4 kW 3382 kWh 2367 kWh 1015 kWh £612 £101 £713 £11,638 16.3 yrs £2,625
5 kW 4227 kWh 2959 kWh 1268 kWh £765 £127 £891 £13,673 15.3 yrs £4,156
6 kW 5073 kWh 3551 kWh 1522 kWh £918 £152 £1,070 £15,707 14.7 yrs £5,688
7 kW 5918 kWh 4143 kWh 1775 kWh £1,070 £178 £1,248 £17,742 14.2 yrs £7,219
8 kW 6764 kWh 4735 kWh 2029 kWh £1,223 £203 £1,426 £19,776 13.9 yrs £8,750

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: £912, Upfront: £15,423, Break-even: 16.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 1234 kWh 457 kWh £319 £46 £365 £9,319 25.6 yrs £-2,027
3 kW 2536 kWh 1852 kWh 685 kWh £478 £68 £547 £11,354 20.8 yrs £-415
4 kW 3382 kWh 2469 kWh 913 kWh £638 £91 £729 £13,388 18.4 yrs £1,196
5 kW 4227 kWh 3086 kWh 1141 kWh £797 £114 £912 £15,423 16.9 yrs £2,808
6 kW 5073 kWh 3703 kWh 1370 kWh £957 £137 £1,094 £17,457 16.0 yrs £4,420
7 kW 5918 kWh 4320 kWh 1598 kWh £1,116 £160 £1,276 £19,492 15.3 yrs £6,031
8 kW 6764 kWh 4937 kWh 1826 kWh £1,276 £183 £1,458 £21,526 14.8 yrs £7,643

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: £925, Upfront: £17,173, Break-even: 18.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 1268 kWh 423 kWh £328 £42 £370 £11,069 29.9 yrs £-3,670
3 kW 2536 kWh 1902 kWh 634 kWh £492 £63 £555 £13,104 23.6 yrs £-2,004
4 kW 3382 kWh 2536 kWh 845 kWh £655 £85 £740 £15,138 20.5 yrs £-339
5 kW 4227 kWh 3170 kWh 1057 kWh £819 £106 £925 £17,173 18.6 yrs £1,326
6 kW 5073 kWh 3805 kWh 1268 kWh £983 £127 £1,110 £19,207 17.3 yrs £2,991
7 kW 5918 kWh 4439 kWh 1480 kWh £1,147 £148 £1,295 £21,242 16.4 yrs £4,656
8 kW 6764 kWh 5073 kWh 1691 kWh £1,311 £169 £1,480 £23,276 15.7 yrs £6,321

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: £938, Upfront: £19,623, Break-even: 20.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1691 kWh 1302 kWh 389 kWh £336 £39 £375 £13,519 36.0 yrs £-6,013
3 kW 2536 kWh 1953 kWh 583 kWh £505 £58 £563 £15,554 27.6 yrs £-4,294
4 kW 3382 kWh 2604 kWh 778 kWh £673 £78 £751 £17,588 23.4 yrs £-2,575
5 kW 4227 kWh 3255 kWh 972 kWh £841 £97 £938 £19,623 20.9 yrs £-856
6 kW 5073 kWh 3906 kWh 1167 kWh £1,009 £117 £1,126 £21,657 19.2 yrs £862
7 kW 5918 kWh 4557 kWh 1361 kWh £1,178 £136 £1,314 £23,692 18.0 yrs £2,581
8 kW 6764 kWh 5208 kWh 1556 kWh £1,346 £156 £1,501 £25,726 17.1 yrs £4,300

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.

Insights for FK12

Figures below are tailored to FK12 — click through for full league tables.

Solar Payback Index Rank #2752 of 2997
12.9 years (UK avg 11.3 years)
~£949 /yr • £12,207 upfront
Standing-Charge Drag Rank #1784 of 2997
21.8% (UK avg 21.7%) drag on savings
£206 fixed • ~£949 /yr value

Your Area at a Glance

Your Electricity Rate
25.84p/kWh
Daily Fixed Charge
56.55p/day
Local Sunshine
845kWh/kW
A 1 kW system generates ~845 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

Clackmannanshire (100%)

Areas Covered

Clackmannanshire North, Clackmannanshire South, Clackmannanshire West

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.

Compare nearby areas

Nearby in Southern Scotland

FK11 (Clackmannanshire)
≈3.2 km away
Local sunshine: ~845 kWh/kWp · -0% vs FK12
FK13 (Clackmannanshire)
≈3.7 km away
Local sunshine: ~852 kWh/kWp · +1% vs FK12
FK10 (Clackmannanshire)
≈4.0 km away
Local sunshine: ~850 kWh/kWp · +1% vs FK12
FK14 (Clackmannanshire)
≈8.3 km away
Local sunshine: ~860 kWh/kWp · +2% vs FK12
FK9 (Stirling)
≈8.6 km away
Local sunshine: ~852 kWh/kWp · +1% vs FK12
FK7 (Stirling)
≈9.2 km away
Local sunshine: ~858 kWh/kWp · +1% vs FK12

Similar sunshine across the UK

BB8 (Pendle)
~846 kWh/kWp · +0% vs FK12
BB9 (Pendle)
~845 kWh/kWp · -0% vs FK12
LL38 (Gwynedd)
~846 kWh/kWp · +0% vs FK12