CumulativeEnergy (CUME)
The feature indicates the server is capable of measuring how much energy has been imported or exported by the server over the device’s lifetime. This measurement may start from when a device’s firmware is updated to include this feature, when a device’s firmware is updated to correct measurement errors, or when a device is factory reset.
ExportedEnergy (EXPE)
The feature indicates the server is capable of measuring how much energy is exported by the server.
ImportedEnergy (IMPE)
The feature indicates the server is capable of measuring how much energy is imported by the server.
PeriodicEnergy (PERE)
The feature indicates the server is capable of measuring how much energy has been imported or exported by the server during a certain period of time. The start and end times for measurement periods shall be determined by the server, and may represent overlapping periods.
These are optional features supported by ElectricalEnergyMeasurementCluster.
See
MatterSpecification.v13.Cluster § 2.12.4