FAQ

Solar Panels in Scotland: Frequently Asked Questions

Last updated: 28 October 2026

Straight answers to the questions Scottish homeowners ask us most about solar panels. We are a matching service connecting you with vetted local installers, and we install through MCS-certified partners. If your question is not covered here, call 0141 230 0198, WhatsApp 0141 230 0198, or email info@scottishenergyefficiency.co.uk.
White harled Scottish cottage with solar panels on its slate roof

Is solar worth considering in Scotland?

For many homes, yes. Panels generate from daylight, so they work under Scottish cloud, though output is much higher in summer than in winter. Whether solar suits you depends on your roof, shading, electricity use and how long you plan to stay. A survey gives you figures for your own home.

Be wary of any promise of a fixed saving before a survey. Real results depend on how much of your generation you use at home, your tariff and the export rate you receive.

A good installer explains their assumptions and shows you a range rather than a single headline number.

How much do solar panels cost in Scotland?

Typical, subject to survey: a 4 kW system for a Scottish house is often quoted somewhere around £5,000 to £8,000 including scaffolding, with batteries on top. Your actual quote depends on roof access, system size, equipment and any repairs needed. Interest-free credit up to £30,000, subject to status.

Interest-free credit up to £30,000, subject to status.

Compare quotes like for like: system size, panel and inverter make, battery capacity, warranties and exactly what is included.

Do I need planning permission for solar panels in Scotland?

Most houses can add roof-mounted panels under permitted development, so a full planning application is not needed. Conditions apply. Listed buildings, flats and homes in conservation areas are more likely to need planning permission or listed building consent. Your installer should check with your local council before you commit.

World Heritage Sites, such as Edinburgh's Old and New Towns, bring extra scrutiny. If consent is needed, allow extra weeks in your timeline.

Installing without a required consent can lead to enforcement action, so it is worth getting this right first.

Can I get paid for the electricity I export?

Yes. Under the Smart Export Guarantee, larger electricity suppliers must offer a tariff for electricity you export to the grid. You need an MCS certificate for your installation and a suitable smart or export meter. Rates vary between suppliers and change over time, so compare offers before you sign up.

You do not have to use the same supplier for import and export, although some suppliers offer better export rates to their own customers.

Your installer provides the paperwork; you then apply to the supplier yourself.

How does your matching service work?

You tell us about your home through our form, by phone, WhatsApp or email. We pass your details to a vetted local installer who covers your area, and they arrange a survey and a written quote. The service carries no obligation to go ahead.

We install through MCS-certified partners, and the installer you are matched with will set out their own accreditations, warranties and terms in your quote.

If anything is unclear, ask them before you sign.

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Tell us about your home and we will match you with a vetted local installer. No obligation.

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What else do people ask?

Do solar panels work in winter?

Yes, but output is low in December and January because days are short and the sun is low. Most yearly generation comes between spring and early autumn.

How long do solar panels last?

Panels commonly carry long manufacturer warranties, often 25 years or more on performance. Inverters usually have shorter warranties and may need replacing during the life of the system.

Do panels need cleaning or maintenance?

Very little. Scottish rain helps keep panels clean. Check your monitoring app now and then, and contact your installer if output drops unexpectedly. Bird guards can prevent nesting under panels.

Can I add a battery to an existing system?

Usually, yes. A battery can be added to most systems, either with a new hybrid inverter or a separate battery inverter. Your installer will check what suits your setup.

Will solar panels damage my roof?

Not when fitted properly. Installers use roof hooks or brackets designed for slate and tile, and seal fixings to keep water out. Ask what fixings are proposed for your roof type.