Question

To ask the Secretary of State for Energy and Climate Change, how many of the smart meters thus far installed in UK homes comply with the most recent recommended standards; how many will need to be replaced in the next 10 years to comply with such standards; and how many are currently (a) operational and (b) not operational.

DECC releases official statistics on a quarterly basis which give details of the number of smart meters installed quarter by quarter and the total number in operation by the larger energy suppliers at the end of the quarter.

Information about smart meter rollout statistics, up to 30^th June 2014, can be obtained from the Quarterly report published on 18 September:

https://www.gov.uk/government/statistics/statistical-release-and-data-smart-meters-great-britain-quarter-2-2014.