What size home battery do I need?

Last reviewed: 5 September 2026. This page sizes a battery from your own consumption data, which your supplier must give you free. Installed price ranges are published by UK installers, not a price survey of our own. Electricity figures use the Ofgem price cap for 1 October to 31 December 2026. The battery you need … Read more

How to use more of your own solar at home

Last reviewed: 5 September 2026. This page is about behaviour, not hardware — everything on it costs nothing and applies to any plug-in kit. Appliance consumption figures are typical published ranges, not measurements of our own, and we say so where they appear. Electricity figures use the Ofgem price cap for 1 October to 31 … Read more

A home battery without solar panels: does it pay?

Last reviewed: 5 September 2026. Installed price ranges on this page are ranges published by UK installers, not a price survey of our own. Electricity figures use the Ofgem price cap for 1 October to 31 December 2026. Time-of-use tariff rates change frequently — check the current rates yourself before committing to anything on this … Read more

Does plug-in solar affect your home insurance?

Last reviewed: 5 September 2026. This page covers disclosure, liability and evidence for a plug-in solar kit under a domestic buildings or contents policy in Great Britain. It is general information, not insurance advice, and no page can tell you what your own insurer will accept — only your insurer can do that, in writing. … Read more

What happens if you don’t notify your DNO?

Last reviewed: 4 September 2026. Checked against the G98 connection standard and the Plug-In Solar Amendment (SI 2026/848). Nothing happens immediately, and that is exactly why people skip it. There is no inspector, no fine in the post and no automatic detection. But the notification takes about ten minutes, costs nothing, and skipping it quietly … Read more

What can 800 W of solar actually run?

Last reviewed: 4 September 2026. Appliance figures are typical UK ratings; check the plate on your own appliance, because models vary widely. Eight hundred watts is the legal ceiling for a plug-in kit’s inverter, and it is less than a kettle. That single comparison tells you most of what you need to know: this is … Read more