Webinar recording: Smart metering | The evolution of STS


60-Minute Session

STS & DLMS are both international open standards and their convergence supports the development of smart STS solutions with two-way communications, powerful smart meter functionality, while retaining proven STS standards that will continue to ensure a secure and upfront collection of revenue for electricity, water and gas service providers for many years to come.

Device Language Message Specification (DLMS) defines a “standard language” for smart devices – and just like STS prepayment meters, smart devices need a globally accepted standard language that ensures interoperability and peace of mind for utilities using metering technology developed according to these standards.

The STS standard (IEC62055-41) has been in place for over 20 years and during this time the DLMS User Association published their set of standards (IEC62056 series) for use in smart metering.

With more than 60 million STS prepayment meters deployed worldwide, the rapid advancement of two-way communications between metering devices has enabled the ongoing evolution of the STS technology to form part of an Advanced Metering Infrastructure (AMI).

While the STS 20-digit prepayment token has traditionally been entered into the keypad of the prepayment meter or customer interface unit, the advancement in communications now makes it possible for STS tokens to be transmitted remotely from AMI systems to the STS meter via AMI communication gateways.

The DLMS gateway also supports the efficient & remote transmission of the TID Rollover key changes.

What is covered:

  • The available enhanced functionality;
  • The evolution of the STS standard & the associated benefits;
  • The technicalities associated with product certification.

Moderator: Nicolette Pombo-van Zyl, Editor | ESI Africa


Dave Tarr, Director | STS Association
Don Taylor, Director | STS Association
Franco Pucci, Technical Consultant | STS Association