Metered, not modelled

Solar output in Scottish Borders

TD

709–831 kWh per kWp a year

the middle half of 163 real Scottish Borders systems, measured over 2024

677 dashed line = British median, 766 919
  • Systems measured 163
  • Median 757
  • Best 10% of roofs 892
  • Rank of 49 areas 36th
  • Typical system size 3 kWp

A typical 4 kWp system here made roughly 2,840 to 3,320 units of electricity last year.

SW-facing 28%SE-facing 25%E-facing 18%

Not a forecast. 163 solar systems around Scottish Borders were metered through 2024, and the middle half made 709 to 831 kWh for every kWp of panels.

A good roof does better still: the top tenth here reached around 892 kWh per kWp, against a British median of 766.

Only 64% of these systems face south, south-east or south-west, against 86% nationally — so part of what you see here is roof direction, not the sky.

That places Scottish Borders 36th of 49, ahead of 13 of the areas we can measure.

At the other end, the quietest tenth of systems here made about 639 kWh per kWp — usually shade, a poor direction, or both.

What none of it tells you is what your own roof would do. These systems point in every direction and some have been up for fifteen years.

The spread behind that number

Every Scottish Borders system, grouped by what it made, against Britain as a whole. The two shapes overlap heavily, which is the honest headline: your postcode nudges the result, your roof decides it.

Scottish Borders: the middle half of 163 systems made 709–831 kWh per kWp.

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Areas near Scottish Borders

Neighbouring postcode areas we can also measure.

How Scottish Borders compares

Looking for someone to fit them? MCS-certified solar installers in Scottish Borders are listed in the Solarable directory.

Output figures from openclimatefix/uk_pv (Hugging Face, CC-BY-4.0), collected by Sheffield Solar. The British median is 766 kWh per kWp. How we measure.