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Meters, registers, and reads sit beneath a connection and describe how energy use is physically measured and recorded. A connection can have many meters, each meter has one or more registers (measurement channels), and each register records a stream of time-series reads. 
Connection (utility meter point — NMI, MIRN)
└── Meter (physical device)
    └── Register (measurement channel)
        └── Reads (time-series consumption data)
These entities are managed in context rather than as standalone lists. Meters appear under the Meters tab of a connection, registers under the Registers tab of a meter, and reads under the Reads tab of a register (or aggregated on a connection). They are gated by the utilities permission.

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Meters

A meter is the physical device installed at a connection. Open a connection and select the Meters tab to see every meter on that connection in a data grid.
The Meters tab on a connection, showing the meter data grid columns
ColumnDescription
SerialThe meter’s serial number
TypeThe meter type
Date InstalledWhen the meter was installed at the connection
Date RemovedWhen the meter was removed (blank if still installed)
Opening a meter shows Overview, Settings, Registers, and Reads tabs. The Overview tab summarises the meter’s active status, serial number, type, description, install and removal dates, and a link back to its parent connection.

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Registers

A register is a measurement channel on a meter — for example, separate channels for peak and off-peak usage, or for import and export. Open a meter and select the Registers tab to list its registers.
ColumnDescription
SerialThe register’s serial number
Intervals (seconds)The read interval length in seconds
Accumulator TypeC (Cumulative) or Actual — how readings accumulate
Flow DirectionInjection (in), Extraction (ex), or Net (net)
Base UnitsThe unit of measure for the register’s reads
ActiveWhether the register is currently active
Opening a register shows Overview, Settings, and Reads tabs. The Overview tab surfaces the register’s serial, base units, interval length, accumulator type, flow direction, active status, and a link to its parent meter.

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Reads

Reads are the time-series measurements a register records — the raw consumption data that underpins validation, modelling, and brokerage. View individual reads on a register’s Reads tab, or see aggregated reads with charting on a connection’s Reads tab.
ColumnDescription
DateThe date of the read
IntervalThe interval within the day the read covers
ValueThe recorded measurement value
ActualWhether the value is an actual reading or an estimate
Record DateWhen the read was recorded
Reads are sorted by Date then Interval, most recent first.