Solar panels for farms in Scotland

Scotland's farms run from arable and malting barley on the east coast and in the Borders to dairy in the south-west and hill sheep, beef and crofting across the Highlands and islands. Solar output falls as you go north, but summer days are long, and the planning rules for rooftop panels on farm buildings are more generous than many farmers expect.

A south-facing 30° roof near Dumfries generates about 899 kWh per kWp a year on PVGIS and DESNZ's 2025/26 data put the mean installed price of a 10–50 kW system at £1,387 per kW. By the end of July 2026 DESNZ counted 919 MW of solar in Scotland — 4% of the UK's 22,992 MW.

Farming and electricity use in Scotland

Grain drying and storage on the eastern arable farms, milking and milk cooling on the Ayrshire and Dumfries and Galloway dairy farms, and lighting and ventilation in sheds are the loads solar can cover. Hill and island farms use less power and often sit at the end of long lines, where the grid connection rather than the roof decides the size of an array.

What a farm roof generates here

These figures come from PVGIS, the European Commission's photovoltaic model (version 5.3, SARAH3 satellite data), for 1 kWp of crystalline panels facing due south with 14% system losses.

The summer-to-winter swing is the widest of any area on our regional guides: near Kirkwall a 30° roof gives about 123 kWh per kWp in June and just 10 in December, and near Inverness 109 and 13. Size an array against spring-to-autumn self-use and treat winter output as a bonus.

What farm solar costs in Scotland

DESNZ publishes installed prices for systems registered with MCS. For 2025/26 the mean for 10–50 kW systems in Scotland was £1,387 per kW across 603 installations, against a Great Britain-wide median of £1,262 for the same band. At that mean a 40 kW roof costs about £55,480. The figures include VAT where it was charged and exclude batteries; your own quote will move with roof type, access and grid work. See what agricultural solar panels cost for the national picture by size.

Planning in Scotland

Planning is devolved, and Scotland has its own permitted development order. Rooftop panels on a non-domestic building such as a farm shed fall under Class 6J. Since 24 May 2024 (SSI 2024/102) there has been no generating-capacity limit; the panels must not protrude more than 1 m from the building's surface. Class 6J does not apply to listed buildings or their curtilage, National Scenic Areas, National Parks, World Heritage Sites, historic gardens and designed landscapes, or sites within 3 km of an aerodrome or technical site, and in a conservation area panels cannot go on the principal elevation or a side elevation facing a road. Free-standing panels in the curtilage (Class 6N) are limited to 12 m² in total, so any real ground-mounted array needs a planning application. Permitted development can still need a building warrant — the Scottish Government's Planning Circular 2/2024 sets this out. Our guide to planning permission for farm solar covers the rules in England for comparison.

Grid connection

Two network operators serve Scotland: SP Energy Networks in the central belt and the south, and SSEN in the north and the islands. Check which serves your holding before budgeting for a connection. Systems rated above 16 A per phase (3.68 kW on a single-phase supply) need the operator's G99 approval before connection, and island and remote Highland networks can offer limited export.

Grants and funding in Scotland

No public scheme in Scotland currently pays for solar panels on farms. The Future Farming Investment Scheme's 2025 round (open 14 July to 22 August 2025) listed solar panels, renewable energy investments and battery storage as not eligible — only solar-powered equipment such as water pumps qualified. The Scottish Government has announced the next round for winter 2026, at 50% of eligible costs up to £20,000 per business, with the item list still to be published; check it before assuming panels are in.

The other routes farmers ask about are closed to farm solar: the Sustainable Agriculture Capital Grant Scheme has closed and never covered panels; CARES support from Local Energy Scotland is for non-profit community groups; and the Business Energy Scotland SME Loan, which offers interest-free loans of up to £100,000 for other measures, is not accepting new applications for solar PV.

What does apply: capital allowances (UK-wide — see the tax relief explained), the Smart Export Guarantee for exported power, and a business rates rule — SSI 2023/32 takes on-site renewable generation plant such as solar panels out of rateable valuations from 1 April 2023 to 31 March 2035. The dated four-nation picture is on our farm solar grants page.

Farm types common here

• Arable farms
• Dairy farms
• Sheep farms
• Livestock farms
• Mixed farms

Area guides

Questions about farm solar in Scotland