SMETS2 smart meter
SMETS2 is the current standard for smart meters in Great Britain.
What it is
SMETS stands for Smart Metering Equipment Technical Specifications. SMETS2 is the second generation of smart meters in Great Britain, built to version 2 of those specifications. Earlier SMETS1 meters were the first generation.
Where you will see it
- In letters or emails about a smart meter installation.
- In supplier help pages, which often state whether a meter is SMETS1 or SMETS2.
Why it matters
A smart meter sends readings automatically, which cuts estimated bills and manual submission. For businesses it can provide the data used in time-based charging. Government is rolling out new rules for non-domestic metering: from 1 January 2027 suppliers must start communicating changes to non-domestic customers, and from 1 September 2027 new fixed-term non-domestic contracts must include a smart or advanced meter term. Details are on the business smart meters page, and you can see whether you must have one in do businesses have to have a smart meter.
To arrange one, see how to apply.
Example
A florist has a traditional meter and gets estimated bills. After a SMETS2 installation that communicates properly, readings are sent automatically, so the supplier no longer needs a manual reading and estimated bills should stop.
Check before you accept one
Ask your supplier whether the meter will be a SMETS2 model, whether any installation or rental cost appears on your bill, and how readings will be sent. If your premises have poor mobile signal, say so, because the installer may need to check how the meter will communicate.
Related terms
Half hourly meter and MHHS.
Common questions on this topic
Sources
General information only. Energy prices, rules and supplier terms change; check the latest position with your supplier, Ofgem or the Energy Ombudsman before you act.