The DLMS User Association is a not-for-profit organization dedicated to standardizing data models and formats for telecommunication-agnostic data exchange in energy and water sectors. DLMS UA develops and maintains the DLMS specifications – a globally recognized suite that defines the DLMS/COSEM data model, format and application layer, enabling secure and interoperable data exchange across energy and water metering and management systems. DLMS/COSEM is the only standardized, interoperable, evolutive, legally relevant data model, used in over 300 milion devices worldwide and supported by a robust certification program.