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

Solar Panels in IV33 (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
15.1 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£674
What you save every year
Profit Over 25 Years
£6,682
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 801 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)
801 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: £674, Upfront: £10,173, Break-even: 15.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1603 kWh 641 kWh 962 kWh £174 £96 £270 £4,069 15.1 yrs £1,325
3 kW 2404 kWh 962 kWh 1443 kWh £260 £144 £405 £6,104 15.1 yrs £1,987
4 kW 3206 kWh 1282 kWh 1924 kWh £347 £192 £539 £8,138 15.1 yrs £2,649
5 kW 4007 kWh 1603 kWh 2404 kWh £434 £240 £674 £10,173 15.1 yrs £3,311
6 kW 4809 kWh 1924 kWh 2885 kWh £521 £289 £809 £12,207 15.1 yrs £3,974
7 kW 5610 kWh 2244 kWh 3366 kWh £607 £337 £944 £14,242 15.1 yrs £4,636
8 kW 6412 kWh 2565 kWh 3847 kWh £694 £385 £1,079 £16,276 15.1 yrs £5,298

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: £811, Upfront: £12,273, Break-even: 15.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1603 kWh 962 kWh 641 kWh £260 £64 £324 £6,169 19.0 yrs £318
3 kW 2404 kWh 1443 kWh 962 kWh £390 £96 £487 £8,204 16.9 yrs £1,528
4 kW 3206 kWh 1924 kWh 1282 kWh £521 £128 £649 £10,238 15.8 yrs £2,737
5 kW 4007 kWh 2404 kWh 1603 kWh £651 £160 £811 £12,273 15.1 yrs £3,946
6 kW 4809 kWh 2885 kWh 1924 kWh £781 £192 £973 £14,307 14.7 yrs £5,155
7 kW 5610 kWh 3366 kWh 2244 kWh £911 £224 £1,135 £16,342 14.4 yrs £6,364
8 kW 6412 kWh 3847 kWh 2565 kWh £1,041 £256 £1,297 £18,376 14.2 yrs £7,574

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: £879, Upfront: £13,673, 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 1603 kWh 1122 kWh 481 kWh £304 £48 £352 £7,569 21.5 yrs £-535
3 kW 2404 kWh 1683 kWh 721 kWh £455 £72 £528 £9,604 18.2 yrs £948
4 kW 3206 kWh 2244 kWh 962 kWh £607 £96 £703 £11,638 16.5 yrs £2,431
5 kW 4007 kWh 2805 kWh 1202 kWh £759 £120 £879 £13,673 15.5 yrs £3,913
6 kW 4809 kWh 3366 kWh 1443 kWh £911 £144 £1,055 £15,707 14.9 yrs £5,396
7 kW 5610 kWh 3927 kWh 1683 kWh £1,063 £168 £1,231 £17,742 14.4 yrs £6,879
8 kW 6412 kWh 4488 kWh 1924 kWh £1,215 £192 £1,407 £19,776 14.1 yrs £8,361

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: £900, Upfront: £15,423, Break-even: 17.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1603 kWh 1170 kWh 433 kWh £317 £43 £360 £9,319 25.9 yrs £-2,121
3 kW 2404 kWh 1755 kWh 649 kWh £475 £65 £540 £11,354 21.0 yrs £-556
4 kW 3206 kWh 2340 kWh 866 kWh £633 £87 £720 £13,388 18.6 yrs £1,009
5 kW 4007 kWh 2925 kWh 1082 kWh £792 £108 £900 £15,423 17.1 yrs £2,573
6 kW 4809 kWh 3510 kWh 1298 kWh £950 £130 £1,080 £17,457 16.2 yrs £4,138
7 kW 5610 kWh 4096 kWh 1515 kWh £1,108 £151 £1,260 £19,492 15.5 yrs £5,703
8 kW 6412 kWh 4681 kWh 1731 kWh £1,267 £173 £1,440 £21,526 15.0 yrs £7,268

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: £913, Upfront: £17,173, Break-even: 18.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1603 kWh 1202 kWh 401 kWh £325 £40 £365 £11,069 30.3 yrs £-3,761
3 kW 2404 kWh 1803 kWh 601 kWh £488 £60 £548 £13,104 23.9 yrs £-2,142
4 kW 3206 kWh 2404 kWh 801 kWh £651 £80 £731 £15,138 20.7 yrs £-522
5 kW 4007 kWh 3006 kWh 1002 kWh £813 £100 £913 £17,173 18.8 yrs £1,097
6 kW 4809 kWh 3607 kWh 1202 kWh £976 £120 £1,096 £19,207 17.5 yrs £2,716
7 kW 5610 kWh 4208 kWh 1403 kWh £1,139 £140 £1,279 £21,242 16.6 yrs £4,336
8 kW 6412 kWh 4809 kWh 1603 kWh £1,301 £160 £1,462 £23,276 15.9 yrs £5,955

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: £927, Upfront: £19,623, Break-even: 21.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1603 kWh 1234 kWh 369 kWh £334 £37 £371 £13,519 36.5 yrs £-6,102
3 kW 2404 kWh 1851 kWh 553 kWh £501 £55 £556 £15,554 28.0 yrs £-4,428
4 kW 3206 kWh 2469 kWh 737 kWh £668 £74 £742 £17,588 23.7 yrs £-2,754
5 kW 4007 kWh 3086 kWh 922 kWh £835 £92 £927 £19,623 21.2 yrs £-1,080
6 kW 4809 kWh 3703 kWh 1106 kWh £1,002 £111 £1,113 £21,657 19.5 yrs £595
7 kW 5610 kWh 4320 kWh 1290 kWh £1,169 £129 £1,298 £23,692 18.3 yrs £2,269
8 kW 6412 kWh 4937 kWh 1475 kWh £1,336 £147 £1,483 £25,726 17.3 yrs £3,943

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
801kWh/kW
A 1 kW system generates ~801 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.