Question to the Department for Business, Energy and Industrial Strategy:

To ask the Secretary of State for Business, Energy and Industrial Strategy, what proportion of the 8.6 million smart meters installed by the end of 2017 were (a) advanced and (b) SMETS1 meters.

As of 30^th September 2017, there were over 8.6 million smart and advanced meters operating across homes and businesses in Great Britain, by both large and small energy suppliers. Of those, around 7.7 million were smart meters and around 0.89 million were advanced meters.

The Government publishes quarterly reports on the number of smart electricity and gas meters installed in Great Britain as part of its Smart Meters statistics collection. As part of each statistical release, a breakdown by meter type is provided:

https://www.gov.uk/government/collections/smart-meters-statistics.