Main meters
Utility boundary or after the incoming breaker.
Energy products
This field is metering hardware — not a saving promise. The BMS only shows a true kWh when the meter, current transformer and protocol match the live controller.
Utility boundary or after the incoming breaker.
Cooling, pumps, lighting, sockets — split so systems can be compared.
Label ratio matches the meter setting; never leave the secondary open.
When the meter and the BMS do not share a standard. Include the map.