Solar guides for your home
Whether you’re exploring solar for the first time or already have panels, find the help you need below.
Getting started
How many panels will I need?Understand roof space, panel size and your electricity use.How much will it cost?See what changes the installation price.How much electricity will they make?Understand an installer’s estimate.How much could I save?Explore the figures with the solar calculator.
Batteries and equipment
Would a battery help?Learn how storage works and how to choose a size.Is a battery worth the extra cost?Compare costs, savings and VAT.What equipment do I need?Get to know panels, inverters and batteries.Can I use plug-in panels?Check the rules for small kits.
Funding and permission
Help with the costFind funding information for where you live.ECO4 supportLearn who may qualify and how to get started.Check a grant offerKnow what to ask before sharing your details.VAT on solar panelsUnderstand the VAT shown on your quote.Planning permissionFind out when to contact your council.
Choosing an installer and comparing quotes
Choose an installerCheck the business, certification and payment protection.Questions to askTake a useful list to your appointment.Check your quoteLook over the price, equipment and contract.Compare savings estimatesUnderstand why two quotes may predict different savings.Compare three quotesFill in a worksheet and print a copy to keep.
Getting paid for spare electricity
How export payments workLearn about meters, certificates and applying for SEG.Compare export tariffsFind out which conditions affect your choice.Find tariffs that may suit youExplore the July comparison using details about your home.
Looking at a particular supplier? Read about EDF, Octopus, E.ON Next, British Gas, ScottishPower or Good Energy.
Looking after your panels
If something has stopped working, use our solar fault and repair guide to find safe next steps.
Research and downloads
Read our July 2026 export tariff comparison findings, download the data, or visit data and press resources for reuse information.
Get a tailored quote
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Tell us about the property once, then compare the proposals you receive.
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