Solar panel grants in Scotland

Scotland ran the most substantial household energy support in the UK for years, and its solar offer, grant funding combined with interest free lending through Home Energy Scotland, is still described in the present tense all over the internet.

It has closed. Knowing that is worth more than any summary of what used to exist, because the pages still advertising it are mostly harvesting contact details. Here is the verified current position, what Scottish households do still get, and how to put the honest numbers into a decision.

What Home Energy Scotland currently funds

Home Energy Scotland’s grant and loan funding today covers clean heating systems, heat pumps and heat network connections, and insulation, with grants and optional loans on top. Standard solar PV panels and battery storage are not in the current funding tables. The only solar adjacent entries are solar thermal water heating and hybrid PV-T systems, offered as loans.

So for the ordinary case, panels on a roof, there is currently no Scottish grant and no Scottish interest free loan. If your project is actually a heating one, a heat pump with some solar alongside, the heating side may attract substantial support, and the service’s free impartial advice line is genuinely worth using before any sales conversation.

Schemes change in both directions, and this one has changed before. Check the funding page itself before planning, and treat any installer or comparison site quoting “the Home Energy Scotland solar loan” as describing 2024, which tells you how current the rest of their page is.

What Scottish households still get

The UK wide VAT relief. Domestic solar and battery installations are zero rated until 31 March 2027, applied inside the quote. On a typical system this is worth four figures against the pre-2022 position, and it requires no application.

Export payments. The Smart Export Guarantee operates in Scotland exactly as in England and Wales: larger suppliers must offer an export tariff, rates are market set, and MCS certification is the entry ticket. Choosing the tariff well is worth more than most people expect.

ECO4, for eligible households. The Great Britain wide supplier obligation runs until 31 December 2026 and applies in Scotland. It targets fuel poor and low income households, usually leads with insulation and heating, and can include solar within a whole house package for those who qualify. Eligibility is narrow and benefit linked; the criteria on the official page decide it, not the advert.

A genuinely cheaper installation market. The UK government’s installation cost data shows small Scottish systems averaged £1,944 per kilowatt in 2025/26, against £2,177 in London and the South West: only the North East of England was cheaper. That is not a grant, but on a 4kW system it is roughly £900 of difference against the dearest regions, which is more than many historical grants were worth.

What the closed loan actually cost buyers

The interest free loan mattered because interest is where financed solar returns go to die. Borrowing £7,100 commercially at around 10% APR adds roughly £4,000 of interest over ten years, which consumes most of a typical system’s annual saving. The old 0% route removed that entirely.

Its absence changes the advice, not just the arithmetic: in Scotland today, paying outright and financing are the same comparison as everywhere else in Britain. If you would need to borrow commercially, run the financed case honestly, total repayable against the same saving, and let it fail if it fails. Solar bought with savings remains a reasonable investment for a well oriented Scottish roof, as the worked Scottish payback example shows.

The generation side of the sums

Scotland receives less solar energy across the year than the south of England, but by a modest margin rather than a dramatic one. Long summer days offset short winter ones, and cooler temperatures marginally help panel efficiency. There is real variation within Scotland too, with the east generally brighter than the west. Use a location specific generation estimate, the European Commission’s PVGIS tool produces one free, and be wary of any quote that appears to have used a generic UK figure.

The seasonal shape matters more here

Generation is more concentrated into the summer months than the UK average, and winter output is genuinely low.

Two consequences:

Storage behaves differently by season. In summer there is surplus to store. In midwinter there may be very little coming off the roof, and a battery’s value shifts towards charging cheaply overnight and discharging during expensive hours, which needs a tariff with a real spread to be worth anything.

Annual totals hide the swing. If your consumption is weighted towards winter, as it is in most homes with electric heating, the overlap between generation and demand is weaker than an annual figure suggests.

Export works the same as the rest of Great Britain

Scotland sits within the same electricity market arrangements as England and Wales, so export payment mechanisms and certification requirements operate on the same basis. Northern Ireland is the part of the UK where this genuinely differs.

Put the actual support into the model

Once you know what you actually qualify for, which for most Scottish owner occupiers today is the VAT relief and an export tariff, model it explicitly: the real installed price, your real rates, a postcode generation estimate, and finance terms as they would really be. Then run the projection and compare against paying outright with the same assumptions. That is the only way to see what the Scottish position is worth to your household specifically, and it beats planning around a loan that no longer exists.