Solar for your home
Solar is the part of a resilient home that saves money every sunny day. It's also the part people most often misunderstand in a power cut.
- Plug-in solar calculatorWhat a kit would make and save in your part of Great Britain, month by month.
- How do plug-in solar panels work?Legal in Great Britain since August 2026. The rules, the cost, what they save, and the kits on sale.
- Do solar panels work in a power cut?Why they switch off, what a backup battery takes, and the cheaper option.
- Lidl plug-in solar panels: are they on sale in the UK?What Lidl has said, and what you can buy now.
- The energy price cap nowWhat your electricity costs, which is what solar saves you.
Solar in a power cut
Ordinary grid-connected solar, including plug-in kits, switches off when the grid goes down. To have power in a cut you need a battery that can run on its own: a portable power station, or a home battery system with a backup feature fitted by an installer. Backup power for your home.