Smart meters measure how much gas and electricity you’re using via a remote connection to your energy supplier. They come with an in-home display screen to help you visualise your energy usage and support you to reduce your energy consumption.

Over 40% of all domestic and small business meters are now smart meters. Every home and office in England, Scotland and Wales will have been offered one by mid-2025 – a total of 50 million gas and electricity meters provided to 27 million homes and offices.

In this guide, we look at the benefits of smart meters and how they work.