Generic Companion Profiles
DLMS UA has developed Generic Companion Profiles to ensure the highest level of interoperability and compatibility among devices that implement them.
A generic companion profile is a precise selection of features and functionalities specified in the DLMS UA Core Specifications, specifically tailored to meet the requirements of various use cases.
By aggregating multiple use cases and parameterizing and configuring the core functionalities, a specific application can be developed to cater to devices or services within a particular industry.
These generic companion profiles serve as standardized guidelines and specifications, allowing devices from different manufacturers to seamlessly communicate and behave in the same way independently of their origin. By implementing these profiles, utilities and device implementers can ensure smooth integration and enhanced functionality, ultimately benefiting end-users.
Released October 2024
AC Electricity Smart Meter generic companion profile
The ACESM GCP has been developed by the DLMS UA Smart Metering Working Group.
The ACESM Generic Companion Profile encompasses a comprehensive range of 21 smart metering and smart grid use cases and functionalities. Its purpose is to guarantee the minimum set of use cases demanded by the electricity smart meter market.
Latest Release April 2025
EV Charging Station generic companion profile
The EVCS GCP has been developed by the DLMS UA Revenue Grade Sub-Meter / DMD Working Group.
The EVCS GCP, through its direct connection with the smart meter, leverages real time smart meter data to operate in an optimized and digitally integrated manner within the smart grid.
Key uses cases:
- Device commissioning
- Initial installation of Security credentials
- Charger-to-vehicle connection
- Dynamic power management for overload protection
- Dynamic power management for grid over/undervoltage prevention
- Dynamic power management for peak shaving
Latest Release June 2025
Metrologically relevant Remote Display generic companion profile
The RDI GCP has been developed by the DLMS UA HUMS Working Group.
The RDI GCP establishes a secure and metrologically-relevant connection between any device that implements this generic companion profile and a display device or application. This connection enables the display of pertinent energy data to the consumer.
Use cases include:
- Device/application commissioning
- Receiving metrology data
- Notification of events and alarms
- Control of disconnection unit
| Name | Version Number | Status | Release Date | Deprecation Date | Withdrawal Date | myDLMS Link |
|---|---|---|---|---|---|---|
| RDI GCP | 1019-1 Ed 1 Part 1 V1.0 | Withdrawn | 08/04/2024 | 12/06/2025 | ||
| RDI GCP | 1019-1 Ed 1 Part 1 V1.1 | Active | 12/06/2025 |
Released June 2025
Metrologically relevant Remote Sensor generic companion profile
The RSE GCP has been developed by the DLMS UA HUMS Working Group.
The RSE GCP establishes a physical and logical architecture detailing interactions between verified sensors, metrologically approved Mother Units (MU), and Head-End Systems (HES). This enables energy providers to construct modular, adaptive metering architectures where sensors operate as independently verified components contributing to legally recognized billing outcomes.
Use cases include:
- Sensor installation, commissioning & calibration
- Sensor metrological & non- metrological readings
- Notification of disturbances to BAU
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