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

Solar Panels in IV34 (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
15.4 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£661
What you save every year
Profit Over 25 Years
£6,365
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 786 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)
786 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: £661, Upfront: £10,173, 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 1573 kWh 629 kWh 944 kWh £170 £94 £265 £4,069 15.4 yrs £1,223
3 kW 2359 kWh 944 kWh 1415 kWh £255 £142 £397 £6,104 15.4 yrs £1,834
4 kW 3145 kWh 1258 kWh 1887 kWh £340 £189 £529 £8,138 15.4 yrs £2,446
5 kW 3932 kWh 1573 kWh 2359 kWh £426 £236 £661 £10,173 15.4 yrs £3,057
6 kW 4718 kWh 1887 kWh 2831 kWh £511 £283 £794 £12,207 15.4 yrs £3,669
7 kW 5505 kWh 2202 kWh 3303 kWh £596 £330 £926 £14,242 15.4 yrs £4,280
8 kW 6291 kWh 2516 kWh 3775 kWh £681 £377 £1,058 £16,276 15.4 yrs £4,891

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: £796, Upfront: £12,273, 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 1573 kWh 944 kWh 629 kWh £255 £63 £318 £6,169 19.4 yrs £196
3 kW 2359 kWh 1415 kWh 944 kWh £383 £94 £477 £8,204 17.2 yrs £1,344
4 kW 3145 kWh 1887 kWh 1258 kWh £511 £126 £637 £10,238 16.1 yrs £2,492
5 kW 3932 kWh 2359 kWh 1573 kWh £638 £157 £796 £12,273 15.4 yrs £3,640
6 kW 4718 kWh 2831 kWh 1887 kWh £766 £189 £955 £14,307 15.0 yrs £4,788
7 kW 5505 kWh 3303 kWh 2202 kWh £894 £220 £1,114 £16,342 14.7 yrs £5,936
8 kW 6291 kWh 3775 kWh 2516 kWh £1,021 £252 £1,273 £18,376 14.4 yrs £7,084

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: £863, Upfront: £13,673, Break-even: 15.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1573 kWh 1101 kWh 472 kWh £298 £47 £345 £7,569 21.9 yrs £-667
3 kW 2359 kWh 1651 kWh 708 kWh £447 £71 £518 £9,604 18.6 yrs £749
4 kW 3145 kWh 2202 kWh 944 kWh £596 £94 £690 £11,638 16.9 yrs £2,165
5 kW 3932 kWh 2752 kWh 1180 kWh £745 £118 £863 £13,673 15.8 yrs £3,582
6 kW 4718 kWh 3303 kWh 1415 kWh £894 £142 £1,035 £15,707 15.2 yrs £4,998
7 kW 5505 kWh 3853 kWh 1651 kWh £1,043 £165 £1,208 £17,742 14.7 yrs £6,414
8 kW 6291 kWh 4404 kWh 1887 kWh £1,192 £189 £1,380 £19,776 14.3 yrs £7,831

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: £883, Upfront: £15,423, Break-even: 17.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1573 kWh 1148 kWh 425 kWh £311 £42 £353 £9,319 26.4 yrs £-2,256
3 kW 2359 kWh 1722 kWh 637 kWh £466 £64 £530 £11,354 21.4 yrs £-759
4 kW 3145 kWh 2296 kWh 849 kWh £621 £85 £706 £13,388 19.0 yrs £737
5 kW 3932 kWh 2870 kWh 1062 kWh £777 £106 £883 £15,423 17.5 yrs £2,234
6 kW 4718 kWh 3444 kWh 1274 kWh £932 £127 £1,059 £17,457 16.5 yrs £3,731
7 kW 5505 kWh 4018 kWh 1486 kWh £1,087 £149 £1,236 £19,492 15.8 yrs £5,228
8 kW 6291 kWh 4592 kWh 1699 kWh £1,243 £170 £1,413 £21,526 15.2 yrs £6,725

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: £896, Upfront: £17,173, Break-even: 19.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1573 kWh 1180 kWh 393 kWh £319 £39 £359 £11,069 30.9 yrs £-3,899
3 kW 2359 kWh 1769 kWh 590 kWh £479 £59 £538 £13,104 24.4 yrs £-2,348
4 kW 3145 kWh 2359 kWh 786 kWh £638 £79 £717 £15,138 21.1 yrs £-798
5 kW 3932 kWh 2949 kWh 983 kWh £798 £98 £896 £17,173 19.2 yrs £753
6 kW 4718 kWh 3539 kWh 1180 kWh £958 £118 £1,076 £19,207 17.9 yrs £2,303
7 kW 5505 kWh 4128 kWh 1376 kWh £1,117 £138 £1,255 £21,242 16.9 yrs £3,854
8 kW 6291 kWh 4718 kWh 1573 kWh £1,277 £157 £1,434 £23,276 16.2 yrs £5,404

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: £910, Upfront: £19,623, Break-even: 21.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1573 kWh 1211 kWh 362 kWh £328 £36 £364 £13,519 37.2 yrs £-6,242
3 kW 2359 kWh 1816 kWh 543 kWh £492 £54 £546 £15,554 28.5 yrs £-4,638
4 kW 3145 kWh 2422 kWh 723 kWh £655 £72 £728 £17,588 24.2 yrs £-3,033
5 kW 3932 kWh 3027 kWh 904 kWh £819 £90 £910 £19,623 21.6 yrs £-1,429
6 kW 4718 kWh 3633 kWh 1085 kWh £983 £109 £1,092 £21,657 19.8 yrs £175
7 kW 5505 kWh 4238 kWh 1266 kWh £1,147 £127 £1,274 £23,692 18.6 yrs £1,779
8 kW 6291 kWh 4844 kWh 1447 kWh £1,311 £145 £1,455 £25,726 17.7 yrs £3,383

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
786kWh/kW
A 1 kW system generates ~786 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 (100%)

Areas Covered

Speyside Glenlivet

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.