Solar panel cost in Scottish Borders (EH44)

See realistic solar installation costs, savings and payback for EH44 (Scottish Borders) 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
12.1 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£809
What you save every year
Profit Over 25 Years
£10,466
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 6.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 826 kWh per year on a south-facing roof. We value self-used electricity at 25.9p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.9p/kWh
Standing charge
64.2p/day
Sunshine yield (south)
826 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: £8,139, Break-even: 12.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1651 kWh 660 kWh 991 kWh £171 £99 £270 £3,256 12.1 yrs £2,140
3 kW 2476 kWh 991 kWh 1486 kWh £256 £149 £405 £4,883 12.1 yrs £3,210
4 kW 3302 kWh 1321 kWh 1981 kWh £341 £198 £540 £6,511 12.1 yrs £4,280
5 kW 4128 kWh 1651 kWh 2476 kWh £427 £248 £674 £8,139 12.1 yrs £5,350
6 kW 4953 kWh 1981 kWh 2972 kWh £512 £297 £809 £9,767 12.1 yrs £6,420
7 kW 5778 kWh 2311 kWh 3467 kWh £597 £347 £944 £11,394 12.1 yrs £7,490
8 kW 6604 kWh 2642 kWh 3962 kWh £683 £396 £1,079 £13,022 12.1 yrs £8,560

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: £805, Upfront: £10,239, Break-even: 12.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1651 kWh 991 kWh 660 kWh £256 £66 £322 £5,356 16.6 yrs £1,087
3 kW 2476 kWh 1486 kWh 991 kWh £384 £99 £483 £6,983 14.5 yrs £2,680
4 kW 3302 kWh 1981 kWh 1321 kWh £512 £132 £644 £8,611 13.4 yrs £4,273
5 kW 4128 kWh 2476 kWh 1651 kWh £640 £165 £805 £10,239 12.7 yrs £5,867
6 kW 4953 kWh 2972 kWh 1981 kWh £768 £198 £966 £11,867 12.3 yrs £7,460
7 kW 5778 kWh 3467 kWh 2311 kWh £896 £231 £1,127 £13,494 12.0 yrs £9,053
8 kW 6604 kWh 3962 kWh 2642 kWh £1,024 £264 £1,288 £15,122 11.7 yrs £10,647

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: £871, Upfront: £11,639, Break-even: 13.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1651 kWh 1156 kWh 495 kWh £299 £50 £348 £6,756 19.4 yrs £210
3 kW 2476 kWh 1734 kWh 743 kWh £448 £74 £522 £8,383 16.0 yrs £2,065
4 kW 3302 kWh 2311 kWh 991 kWh £597 £99 £697 £10,011 14.4 yrs £3,920
5 kW 4128 kWh 2889 kWh 1238 kWh £747 £124 £871 £11,639 13.4 yrs £5,775
6 kW 4953 kWh 3467 kWh 1486 kWh £896 £149 £1,045 £13,267 12.7 yrs £7,630
7 kW 5778 kWh 4045 kWh 1734 kWh £1,046 £173 £1,219 £14,894 12.2 yrs £9,485
8 kW 6604 kWh 4623 kWh 1981 kWh £1,195 £198 £1,393 £16,522 11.9 yrs £11,340

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: £890, Upfront: £13,389, Break-even: 15.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1651 kWh 1205 kWh 446 kWh £312 £45 £356 £8,506 23.9 yrs £-1,383
3 kW 2476 kWh 1808 kWh 669 kWh £467 £67 £534 £10,133 19.0 yrs £551
4 kW 3302 kWh 2410 kWh 892 kWh £623 £89 £712 £11,761 16.5 yrs £2,484
5 kW 4128 kWh 3013 kWh 1114 kWh £779 £111 £890 £13,389 15.0 yrs £4,418
6 kW 4953 kWh 3616 kWh 1337 kWh £935 £134 £1,068 £15,017 14.1 yrs £6,351
7 kW 5778 kWh 4218 kWh 1560 kWh £1,090 £156 £1,246 £16,644 13.4 yrs £8,285
8 kW 6604 kWh 4821 kWh 1783 kWh £1,246 £178 £1,425 £18,272 12.8 yrs £10,218

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: £903, Upfront: £15,139, Break-even: 16.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1651 kWh 1238 kWh 413 kWh £320 £41 £361 £10,256 28.4 yrs £-3,028
3 kW 2476 kWh 1857 kWh 619 kWh £480 £62 £542 £11,883 21.9 yrs £-1,042
4 kW 3302 kWh 2476 kWh 826 kWh £640 £83 £723 £13,511 18.7 yrs £943
5 kW 4128 kWh 3096 kWh 1032 kWh £800 £103 £903 £15,139 16.8 yrs £2,929
6 kW 4953 kWh 3715 kWh 1238 kWh £960 £124 £1,084 £16,767 15.5 yrs £4,915
7 kW 5778 kWh 4334 kWh 1445 kWh £1,120 £144 £1,265 £18,394 14.5 yrs £6,901
8 kW 6604 kWh 4953 kWh 1651 kWh £1,280 £165 £1,445 £20,022 13.9 yrs £8,887

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: £916, Upfront: £17,589, 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 1651 kWh 1271 kWh 380 kWh £329 £38 £367 £12,706 34.7 yrs £-5,374
3 kW 2476 kWh 1907 kWh 570 kWh £493 £57 £550 £14,333 26.1 yrs £-3,335
4 kW 3302 kWh 2543 kWh 759 kWh £657 £76 £733 £15,961 21.8 yrs £-1,297
5 kW 4128 kWh 3178 kWh 949 kWh £822 £95 £916 £17,589 19.2 yrs £741
6 kW 4953 kWh 3814 kWh 1139 kWh £986 £114 £1,100 £19,217 17.5 yrs £2,779
7 kW 5778 kWh 4449 kWh 1329 kWh £1,150 £133 £1,283 £20,844 16.2 yrs £4,817
8 kW 6604 kWh 5085 kWh 1519 kWh £1,314 £152 £1,466 £22,472 15.3 yrs £6,856

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 Scottish Borders

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 EH44

Monthly generation per kilowatt of solar panels

kWh 23 Jan 40 Feb 71 Mar 101 Apr 112 May 104 Jun 108 Jul 96 Aug 74 Sep 48 Oct 31 Nov 17 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 38.9% 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 27 kWh per month; the average month produces around 69 kWh. So a typical 4 kW home system would generate roughly 107 kWh in winter, or 275 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.85p/kWh
Daily Fixed Charge
64.17p/day
Local Sunshine
826kWh/kW
A 1 kW system generates ~826 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
6.0kW
For houses & bungalows in this area

Local Property Data

Property Types

No EPC data available for this outcode

Coverage

Scottish Borders (100%)

Areas Covered

Tweeddale East, Tweeddale West

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.