Solar explained to clever people by people who are not trying to be clever

Solar Panels in AB37 (Moray)

See if solar pays off for you in Moray — 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
15.6 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£650
What you save every year
Profit Over 25 Years
£6,079
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

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 773 kWh per year on a south-facing roof. We value self-used electricity at 27.1p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
27.1p/kWh
Standing charge
61.0p/day
Sunshine yield (south)
773 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: £650, Upfront: £10,173, Break-even: 15.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 618 kWh 927 kWh £167 £93 £260 £4,069 15.6 yrs £1,132
3 kW 2318 kWh 927 kWh 1391 kWh £251 £139 £390 £6,104 15.6 yrs £1,697
4 kW 3091 kWh 1236 kWh 1855 kWh £335 £185 £520 £8,138 15.6 yrs £2,263
5 kW 3864 kWh 1546 kWh 2318 kWh £418 £232 £650 £10,173 15.6 yrs £2,829
6 kW 4637 kWh 1855 kWh 2782 kWh £502 £278 £780 £12,207 15.6 yrs £3,395
7 kW 5410 kWh 2164 kWh 3246 kWh £586 £325 £910 £14,242 15.6 yrs £3,960
8 kW 6182 kWh 2473 kWh 3709 kWh £669 £371 £1,040 £16,276 15.6 yrs £4,526

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: £782, Upfront: £12,273, Break-even: 15.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 927 kWh 618 kWh £251 £62 £313 £6,169 19.7 yrs £86
3 kW 2318 kWh 1391 kWh 927 kWh £376 £93 £469 £8,204 17.5 yrs £1,179
4 kW 3091 kWh 1855 kWh 1236 kWh £502 £124 £626 £10,238 16.4 yrs £2,273
5 kW 3864 kWh 2318 kWh 1546 kWh £627 £155 £782 £12,273 15.7 yrs £3,366
6 kW 4637 kWh 2782 kWh 1855 kWh £753 £185 £938 £14,307 15.2 yrs £4,459
7 kW 5410 kWh 3246 kWh 2164 kWh £878 £216 £1,095 £16,342 14.9 yrs £5,552
8 kW 6182 kWh 3709 kWh 2473 kWh £1,004 £247 £1,251 £18,376 14.7 yrs £6,645

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: £848, Upfront: £13,673, Break-even: 16.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 1082 kWh 464 kWh £293 £46 £339 £7,569 22.3 yrs £-786
3 kW 2318 kWh 1623 kWh 696 kWh £439 £70 £509 £9,604 18.9 yrs £570
4 kW 3091 kWh 2164 kWh 927 kWh £586 £93 £678 £11,638 17.2 yrs £1,927
5 kW 3864 kWh 2705 kWh 1159 kWh £732 £116 £848 £13,673 16.1 yrs £3,284
6 kW 4637 kWh 3246 kWh 1391 kWh £878 £139 £1,017 £15,707 15.4 yrs £4,641
7 kW 5410 kWh 3787 kWh 1623 kWh £1,025 £162 £1,187 £17,742 14.9 yrs £5,998
8 kW 6182 kWh 4328 kWh 1855 kWh £1,171 £185 £1,357 £19,776 14.6 yrs £7,354

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: £868, Upfront: £15,423, Break-even: 17.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 1128 kWh 417 kWh £305 £42 £347 £9,319 26.9 yrs £-2,378
3 kW 2318 kWh 1692 kWh 626 kWh £458 £63 £521 £11,354 21.8 yrs £-942
4 kW 3091 kWh 2257 kWh 835 kWh £611 £83 £694 £13,388 19.3 yrs £494
5 kW 3864 kWh 2821 kWh 1043 kWh £763 £104 £868 £15,423 17.8 yrs £1,930
6 kW 4637 kWh 3385 kWh 1252 kWh £916 £125 £1,041 £17,457 16.8 yrs £3,365
7 kW 5410 kWh 3949 kWh 1461 kWh £1,069 £146 £1,215 £19,492 16.0 yrs £4,801
8 kW 6182 kWh 4513 kWh 1669 kWh £1,221 £167 £1,388 £21,526 15.5 yrs £6,237

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: £881, Upfront: £17,173, Break-even: 19.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 1159 kWh 386 kWh £314 £39 £352 £11,069 31.4 yrs £-4,023
3 kW 2318 kWh 1739 kWh 580 kWh £471 £58 £528 £13,104 24.8 yrs £-2,534
4 kW 3091 kWh 2318 kWh 773 kWh £627 £77 £705 £15,138 21.5 yrs £-1,045
5 kW 3864 kWh 2898 kWh 966 kWh £784 £97 £881 £17,173 19.5 yrs £443
6 kW 4637 kWh 3478 kWh 1159 kWh £941 £116 £1,057 £19,207 18.2 yrs £1,932
7 kW 5410 kWh 4057 kWh 1352 kWh £1,098 £135 £1,233 £21,242 17.2 yrs £3,420
8 kW 6182 kWh 4637 kWh 1546 kWh £1,255 £155 £1,409 £23,276 16.5 yrs £4,909

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: £894, Upfront: £19,623, Break-even: 21.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1546 kWh 1190 kWh 355 kWh £322 £36 £358 £13,519 37.8 yrs £-6,367
3 kW 2318 kWh 1785 kWh 533 kWh £483 £53 £536 £15,554 29.0 yrs £-4,826
4 kW 3091 kWh 2380 kWh 711 kWh £644 £71 £715 £17,588 24.6 yrs £-3,285
5 kW 3864 kWh 2975 kWh 889 kWh £805 £89 £894 £19,623 21.9 yrs £-1,743
6 kW 4637 kWh 3570 kWh 1066 kWh £966 £107 £1,073 £21,657 20.2 yrs £-202
7 kW 5410 kWh 4165 kWh 1244 kWh £1,127 £124 £1,252 £23,692 18.9 yrs £1,340
8 kW 6182 kWh 4760 kWh 1422 kWh £1,288 £142 £1,430 £25,726 18.0 yrs £2,881

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.

Your Area at a Glance

Your Electricity Rate
27.06p/kWh
Daily Fixed Charge
61.00p/day
Local Sunshine
773kWh/kW
A 1 kW system generates ~773 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

No EPC data available for this outcode

Coverage

Moray (99%)|Highland (1%)

Areas Covered

Speyside Glenlivet, Badenoch and Strathspey

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.