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Solar panel cost in Scottish Borders (TD14)

See realistic solar installation costs, savings and payback for TD14 (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

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
11.1 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£882
What you save every year
Profit Over 25 Years
£12,291
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

In Southern Scotland, the current unit rate is 25.85p/kWh with a 64.17p/day standing charge. Your postcode’s south-facing sunshine yield is 900 kWh/kW — 50 above the regional median (850).

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 900 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)
900 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: £735, Upfront: £8,139, Break-even: 11.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1800 kWh 720 kWh 1080 kWh £186 £108 £294 £3,256 11.1 yrs £2,627
3 kW 2700 kWh 1080 kWh 1620 kWh £279 £162 £441 £4,883 11.1 yrs £3,940
4 kW 3600 kWh 1440 kWh 2160 kWh £372 £216 £588 £6,511 11.1 yrs £5,253
5 kW 4500 kWh 1800 kWh 2700 kWh £465 £270 £735 £8,139 11.1 yrs £6,567
6 kW 5400 kWh 2160 kWh 3240 kWh £558 £324 £882 £9,767 11.1 yrs £7,880
7 kW 6300 kWh 2520 kWh 3780 kWh £651 £378 £1,029 £11,394 11.1 yrs £9,193
8 kW 7200 kWh 2880 kWh 4320 kWh £744 £432 £1,176 £13,022 11.1 yrs £10,506

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: £878, Upfront: £10,239, Break-even: 11.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1800 kWh 1080 kWh 720 kWh £279 £72 £351 £5,356 15.3 yrs £1,668
3 kW 2700 kWh 1620 kWh 1080 kWh £419 £108 £527 £6,983 13.3 yrs £3,552
4 kW 3600 kWh 2160 kWh 1440 kWh £558 £144 £702 £8,611 12.3 yrs £5,436
5 kW 4500 kWh 2700 kWh 1800 kWh £698 £180 £878 £10,239 11.7 yrs £7,319
6 kW 5400 kWh 3240 kWh 2160 kWh £838 £216 £1,053 £11,867 11.3 yrs £9,203
7 kW 6300 kWh 3780 kWh 2520 kWh £977 £252 £1,229 £13,494 11.0 yrs £11,087
8 kW 7200 kWh 4320 kWh 2880 kWh £1,117 £288 £1,405 £15,122 10.8 yrs £12,971

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: £949, Upfront: £11,639, Break-even: 12.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1800 kWh 1260 kWh 540 kWh £326 £54 £380 £6,756 17.8 yrs £838
3 kW 2700 kWh 1890 kWh 810 kWh £489 £81 £570 £8,383 14.7 yrs £3,008
4 kW 3600 kWh 2520 kWh 1080 kWh £651 £108 £759 £10,011 13.2 yrs £5,177
5 kW 4500 kWh 3150 kWh 1350 kWh £814 £135 £949 £11,639 12.3 yrs £7,346
6 kW 5400 kWh 3780 kWh 1620 kWh £977 £162 £1,139 £13,267 11.6 yrs £9,515
7 kW 6300 kWh 4410 kWh 1890 kWh £1,140 £189 £1,329 £14,894 11.2 yrs £11,684
8 kW 7200 kWh 5040 kWh 2160 kWh £1,303 £216 £1,519 £16,522 10.9 yrs £13,853

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: £971, Upfront: £13,389, 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 1800 kWh 1314 kWh 486 kWh £340 £49 £388 £8,506 21.9 yrs £-740
3 kW 2700 kWh 1971 kWh 729 kWh £509 £73 £582 £10,133 17.4 yrs £1,514
4 kW 3600 kWh 2628 kWh 972 kWh £679 £97 £777 £11,761 15.1 yrs £3,769
5 kW 4500 kWh 3285 kWh 1215 kWh £849 £121 £971 £13,389 13.8 yrs £6,024
6 kW 5400 kWh 3942 kWh 1458 kWh £1,019 £146 £1,165 £15,017 12.9 yrs £8,279
7 kW 6300 kWh 4599 kWh 1701 kWh £1,189 £170 £1,359 £16,644 12.2 yrs £10,533
8 kW 7200 kWh 5256 kWh 1944 kWh £1,359 £194 £1,553 £18,272 11.8 yrs £12,788

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: £985, Upfront: £15,139, 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 1800 kWh 1350 kWh 450 kWh £349 £45 £394 £10,256 26.0 yrs £-2,376
3 kW 2700 kWh 2025 kWh 675 kWh £523 £67 £591 £11,883 20.1 yrs £-65
4 kW 3600 kWh 2700 kWh 900 kWh £698 £90 £788 £13,511 17.1 yrs £2,247
5 kW 4500 kWh 3375 kWh 1125 kWh £872 £112 £985 £15,139 15.4 yrs £4,559
6 kW 5400 kWh 4050 kWh 1350 kWh £1,047 £135 £1,182 £16,767 14.2 yrs £6,871
7 kW 6300 kWh 4725 kWh 1575 kWh £1,221 £157 £1,379 £18,394 13.3 yrs £9,183
8 kW 7200 kWh 5400 kWh 1800 kWh £1,396 £180 £1,576 £20,022 12.7 yrs £11,495

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: £999, Upfront: £17,589, Break-even: 17.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1800 kWh 1386 kWh 414 kWh £358 £41 £400 £12,706 31.8 yrs £-4,712
3 kW 2700 kWh 2079 kWh 621 kWh £537 £62 £599 £14,333 23.9 yrs £-2,343
4 kW 3600 kWh 2772 kWh 828 kWh £717 £83 £799 £15,961 20.0 yrs £25
5 kW 4500 kWh 3465 kWh 1035 kWh £896 £103 £999 £17,589 17.6 yrs £2,394
6 kW 5400 kWh 4158 kWh 1242 kWh £1,075 £124 £1,199 £19,217 16.0 yrs £4,763
7 kW 6300 kWh 4851 kWh 1449 kWh £1,254 £145 £1,399 £20,844 14.9 yrs £7,132
8 kW 7200 kWh 5544 kWh 1656 kWh £1,433 £166 £1,599 £22,472 14.1 yrs £9,501

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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Check what MCS certification means

Understand DNO, G98 and G99 export limits

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Insights for TD14

Figures below are tailored to TD14 — click through for full league tables.

Big-Roof Britain Rank #485 of 2182
5.6 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #2121 of 2996
11.1 years (UK avg 10.8 years)
~£882 /yr • £9,767 upfront
Standing-Charge Drag Rank #1670 of 2996
26.5% (UK avg 26.6%) drag on savings
£234 fixed • ~£882 /yr value
Aspect Penalty View ranking →
East −22.8% West −22.8%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in TD14

Monthly generation per kilowatt of solar panels

kWh 31 Jan 46 Feb 79 Mar 108 Apr 121 May 112 Jun 112 Jul 98 Aug 80 Sep 54 Oct 35 Nov 24 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 44.9% 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 34 kWh per month; the average month produces around 75 kWh. So a typical 4 kW home system would generate roughly 135 kWh in winter, or 300 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.85p/kWh
Daily Fixed Charge
64.17p/day
Local Sunshine
900kWh/kW
A 1 kW system generates ~900 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

Houses: 70% • Flats: 10% • Bungalows: 20% Based on 10 properties

Coverage

Scottish Borders (100%)

Areas Covered

East Berwickshire, Mid Berwickshire

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.

Compare nearby areas

Nearby in Southern Scotland

TD15 (Northumberland)
≈13.2 km away
Local sunshine: ~905 kWh/kWp · +1% vs TD14
TD13 (Scottish Borders)
≈17.9 km away
Local sunshine: ~902 kWh/kWp · +0% vs TD14
TD11 (Scottish Borders)
≈18.1 km away
Local sunshine: ~933 kWh/kWp · +4% vs TD14
TD12 (Scottish Borders)
≈26.1 km away
Local sunshine: ~921 kWh/kWp · +2% vs TD14
TD10 (Scottish Borders)
≈28.8 km away
Local sunshine: ~913 kWh/kWp · +1% vs TD14
EH42 (East Lothian)
≈29.6 km away
Local sunshine: ~913 kWh/kWp · +1% vs TD14

Similar sunshine across the UK

WN4 (Wigan)
~900 kWh/kWp · +0% vs TD14
WN7 (Wigan)
~900 kWh/kWp · -0% vs TD14
ST6 (Stoke-on-Trent)
~900 kWh/kWp · +0% vs TD14