Solar panel cost in Highland (IV22)

See realistic solar installation costs, savings and payback for IV22 (Highland) 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
13.8 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£588
What you save every year
Profit Over 25 Years
£6,562
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

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 710 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
57.5p/day
Sunshine yield (south)
710 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: £588, Upfront: £8,139, 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 1420 kWh 568 kWh 852 kWh £150 £85 £235 £3,256 13.8 yrs £1,449
3 kW 2129 kWh 852 kWh 1278 kWh £225 £128 £353 £4,883 13.8 yrs £2,173
4 kW 2839 kWh 1136 kWh 1704 kWh £300 £170 £470 £6,511 13.8 yrs £2,897
5 kW 3549 kWh 1420 kWh 2129 kWh £375 £213 £588 £8,139 13.8 yrs £3,621
6 kW 4259 kWh 1704 kWh 2555 kWh £450 £256 £706 £9,767 13.8 yrs £4,346
7 kW 4969 kWh 1987 kWh 2981 kWh £525 £298 £823 £11,394 13.8 yrs £5,070
8 kW 5679 kWh 2271 kWh 3407 kWh £600 £341 £941 £13,022 13.8 yrs £5,794

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: £705, Upfront: £10,239, Break-even: 14.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1420 kWh 852 kWh 568 kWh £225 £57 £282 £5,356 19.0 yrs £281
3 kW 2129 kWh 1278 kWh 852 kWh £338 £85 £423 £6,983 16.5 yrs £1,472
4 kW 2839 kWh 1704 kWh 1136 kWh £450 £114 £564 £8,611 15.3 yrs £2,662
5 kW 3549 kWh 2129 kWh 1420 kWh £563 £142 £705 £10,239 14.5 yrs £3,853
6 kW 4259 kWh 2555 kWh 1704 kWh £675 £170 £845 £11,867 14.0 yrs £5,043
7 kW 4969 kWh 2981 kWh 1987 kWh £788 £199 £986 £13,494 13.7 yrs £6,234
8 kW 5679 kWh 3407 kWh 2271 kWh £900 £227 £1,127 £15,122 13.4 yrs £7,424

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: £763, Upfront: £11,639, 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 1420 kWh 994 kWh 426 kWh £263 £43 £305 £6,756 22.1 yrs £-653
3 kW 2129 kWh 1491 kWh 639 kWh £394 £64 £458 £8,383 18.3 yrs £771
4 kW 2839 kWh 1987 kWh 852 kWh £525 £85 £610 £10,011 16.4 yrs £2,194
5 kW 3549 kWh 2484 kWh 1065 kWh £656 £106 £763 £11,639 15.3 yrs £3,618
6 kW 4259 kWh 2981 kWh 1278 kWh £788 £128 £915 £13,267 14.5 yrs £5,042
7 kW 4969 kWh 3478 kWh 1491 kWh £919 £149 £1,068 £14,894 13.9 yrs £6,465
8 kW 5679 kWh 3975 kWh 1704 kWh £1,050 £170 £1,221 £16,522 13.5 yrs £7,889

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: £780, Upfront: £13,389, Break-even: 17.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1420 kWh 1036 kWh 383 kWh £274 £38 £312 £8,506 27.2 yrs £-2,263
3 kW 2129 kWh 1555 kWh 575 kWh £411 £57 £468 £10,133 21.6 yrs £-769
4 kW 2839 kWh 2073 kWh 767 kWh £548 £77 £624 £11,761 18.8 yrs £724
5 kW 3549 kWh 2591 kWh 958 kWh £685 £96 £780 £13,389 17.2 yrs £2,218
6 kW 4259 kWh 3109 kWh 1150 kWh £821 £115 £936 £15,017 16.0 yrs £3,711
7 kW 4969 kWh 3627 kWh 1342 kWh £958 £134 £1,092 £16,644 15.2 yrs £5,205
8 kW 5679 kWh 4145 kWh 1533 kWh £1,095 £153 £1,249 £18,272 14.6 yrs £6,698

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: £792, Upfront: £15,139, Break-even: 19.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1420 kWh 1065 kWh 355 kWh £281 £35 £317 £10,256 32.4 yrs £-3,920
3 kW 2129 kWh 1597 kWh 532 kWh £422 £53 £475 £11,883 25.0 yrs £-2,380
4 kW 2839 kWh 2129 kWh 710 kWh £563 £71 £634 £13,511 21.3 yrs £-839
5 kW 3549 kWh 2662 kWh 887 kWh £703 £89 £792 £15,139 19.1 yrs £701
6 kW 4259 kWh 3194 kWh 1065 kWh £844 £106 £950 £16,767 17.6 yrs £2,241
7 kW 4969 kWh 3727 kWh 1242 kWh £985 £124 £1,109 £18,394 16.6 yrs £3,781
8 kW 5679 kWh 4259 kWh 1420 kWh £1,125 £142 £1,267 £20,022 15.8 yrs £5,321

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: £804, Upfront: £17,589, 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 1420 kWh 1093 kWh 327 kWh £289 £33 £321 £12,706 39.5 yrs £-6,276
3 kW 2129 kWh 1640 kWh 490 kWh £433 £49 £482 £14,333 29.7 yrs £-4,690
4 kW 2839 kWh 2186 kWh 653 kWh £578 £65 £643 £15,961 24.8 yrs £-3,103
5 kW 3549 kWh 2733 kWh 816 kWh £722 £82 £804 £17,589 21.9 yrs £-1,516
6 kW 4259 kWh 3279 kWh 980 kWh £866 £98 £964 £19,217 19.9 yrs £71
7 kW 4969 kWh 3826 kWh 1143 kWh £1,011 £114 £1,125 £20,844 18.5 yrs £1,658
8 kW 5679 kWh 4372 kWh 1306 kWh £1,155 £131 £1,286 £22,472 17.5 yrs £3,244

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 Highland

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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Seasonal solar output in IV22

Monthly generation per kilowatt of solar panels

kWh 13 Jan 29 Feb 61 Mar 93 Apr 106 May 102 Jun 95 Jul 85 Aug 60 Sep 40 Oct 19 Nov 8 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 27.7% 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 16 kWh per month; the average month produces around 59 kWh. So a typical 4 kW home system would generate roughly 66 kWh in winter, or 237 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
57.55p/day
Local Sunshine
710kWh/kW
A 1 kW system generates ~710 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

Highland (100%)

Areas Covered

Wester Ross, Strathpeffer and Lochalsh

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.