Solar panel cost in Highland (PH19)

See realistic solar installation costs, savings and payback for PH19 (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

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System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
13.0 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£625
What you save every year
Profit Over 25 Years
£7,482
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 754 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)
754 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: £625, Upfront: £8,139, Break-even: 13.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1509 kWh 603 kWh 905 kWh £159 £91 £250 £3,256 13.0 yrs £1,743
3 kW 2263 kWh 905 kWh 1358 kWh £239 £136 £375 £4,883 13.0 yrs £2,615
4 kW 3017 kWh 1207 kWh 1810 kWh £319 £181 £500 £6,511 13.0 yrs £3,486
5 kW 3771 kWh 1509 kWh 2263 kWh £399 £226 £625 £8,139 13.0 yrs £4,358
6 kW 4526 kWh 1810 kWh 2715 kWh £478 £272 £750 £9,767 13.0 yrs £5,229
7 kW 5280 kWh 2112 kWh 3168 kWh £558 £317 £875 £11,394 13.0 yrs £6,101
8 kW 6034 kWh 2414 kWh 3620 kWh £638 £362 £1,000 £13,022 13.0 yrs £6,972

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: £749, Upfront: £10,239, Break-even: 13.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1509 kWh 905 kWh 603 kWh £239 £60 £299 £5,356 17.9 yrs £634
3 kW 2263 kWh 1358 kWh 905 kWh £359 £91 £449 £6,983 15.5 yrs £2,001
4 kW 3017 kWh 1810 kWh 1207 kWh £478 £121 £599 £8,611 14.4 yrs £3,368
5 kW 3771 kWh 2263 kWh 1509 kWh £598 £151 £749 £10,239 13.7 yrs £4,735
6 kW 4526 kWh 2715 kWh 1810 kWh £717 £181 £898 £11,867 13.2 yrs £6,102
7 kW 5280 kWh 3168 kWh 2112 kWh £837 £211 £1,048 £13,494 12.9 yrs £7,469
8 kW 6034 kWh 3620 kWh 2414 kWh £957 £241 £1,198 £15,122 12.6 yrs £8,836

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: £811, Upfront: £11,639, Break-even: 14.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1509 kWh 1056 kWh 453 kWh £279 £45 £324 £6,756 20.8 yrs £-271
3 kW 2263 kWh 1584 kWh 679 kWh £418 £68 £486 £8,383 17.2 yrs £1,344
4 kW 3017 kWh 2112 kWh 905 kWh £558 £91 £648 £10,011 15.4 yrs £2,959
5 kW 3771 kWh 2640 kWh 1131 kWh £697 £113 £811 £11,639 14.4 yrs £4,573
6 kW 4526 kWh 3168 kWh 1358 kWh £837 £136 £973 £13,267 13.6 yrs £6,188
7 kW 5280 kWh 3696 kWh 1584 kWh £976 £158 £1,135 £14,894 13.1 yrs £7,803
8 kW 6034 kWh 4224 kWh 1810 kWh £1,116 £181 £1,297 £16,522 12.7 yrs £9,417

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: £829, Upfront: £13,389, 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 1509 kWh 1101 kWh 407 kWh £291 £41 £332 £8,506 25.6 yrs £-1,872
3 kW 2263 kWh 1652 kWh 611 kWh £436 £61 £498 £10,133 20.4 yrs £-183
4 kW 3017 kWh 2202 kWh 815 kWh £582 £81 £663 £11,761 17.7 yrs £1,506
5 kW 3771 kWh 2753 kWh 1018 kWh £727 £102 £829 £13,389 16.1 yrs £3,195
6 kW 4526 kWh 3304 kWh 1222 kWh £873 £122 £995 £15,017 15.1 yrs £4,884
7 kW 5280 kWh 3854 kWh 1426 kWh £1,018 £143 £1,161 £16,644 14.3 yrs £6,573
8 kW 6034 kWh 4405 kWh 1629 kWh £1,164 £163 £1,327 £18,272 13.8 yrs £8,262

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: £842, Upfront: £15,139, Break-even: 18.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1509 kWh 1131 kWh 377 kWh £299 £38 £337 £10,256 30.5 yrs £-3,523
3 kW 2263 kWh 1697 kWh 566 kWh £448 £57 £505 £11,883 23.5 yrs £-1,784
4 kW 3017 kWh 2263 kWh 754 kWh £598 £75 £673 £13,511 20.1 yrs £-46
5 kW 3771 kWh 2828 kWh 943 kWh £747 £94 £842 £15,139 18.0 yrs £1,693
6 kW 4526 kWh 3394 kWh 1131 kWh £897 £113 £1,010 £16,767 16.6 yrs £3,431
7 kW 5280 kWh 3960 kWh 1320 kWh £1,046 £132 £1,178 £18,394 15.6 yrs £5,170
8 kW 6034 kWh 4526 kWh 1509 kWh £1,196 £151 £1,347 £20,022 14.9 yrs £6,908

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: £854, Upfront: £17,589, Break-even: 20.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1509 kWh 1162 kWh 347 kWh £307 £35 £342 £12,706 37.2 yrs £-5,874
3 kW 2263 kWh 1742 kWh 520 kWh £460 £52 £512 £14,333 28.0 yrs £-4,086
4 kW 3017 kWh 2323 kWh 694 kWh £614 £69 £683 £15,961 23.4 yrs £-2,298
5 kW 3771 kWh 2904 kWh 867 kWh £767 £87 £854 £17,589 20.6 yrs £-510
6 kW 4526 kWh 3485 kWh 1041 kWh £921 £104 £1,025 £19,217 18.8 yrs £1,278
7 kW 5280 kWh 4065 kWh 1214 kWh £1,074 £121 £1,196 £20,844 17.4 yrs £3,066
8 kW 6034 kWh 4646 kWh 1388 kWh £1,228 £139 £1,366 £22,472 16.4 yrs £4,854

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 PH19

Monthly generation per kilowatt of solar panels

kWh 13 Jan 33 Feb 69 Mar 96 Apr 110 May 102 Jun 104 Jul 89 Aug 66 Sep 41 Oct 21 Nov 10 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 29.6% 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 19 kWh per month; the average month produces around 63 kWh. So a typical 4 kW home system would generate roughly 74 kWh in winter, or 251 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
57.55p/day
Local Sunshine
754kWh/kW
A 1 kW system generates ~754 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

Badenoch and Strathspey

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.