Utility metering system incorporating a transaction authorisation system

摘要

A transaction authorization system comprises a user interface unit 30 capable of accepting a transaction authorization and a utility meter 10 provided at a location having an associated location identifier unique to the location, wherein the utility meter 10 is arranged to communicate with the user interface unit 10, to obtain a transaction authorization, and to transmit an authorization request based on the transaction authorization and location identifier to obtain authorization of the transaction.