Tag: submetering

ABB B23 vs Carlo Gavazzi EM340: When Branded DIN-Rail Meters Are Worth Paying For

A practical comparison of the ABB B23 312-100 and Carlo Gavazzi EM340DINAV23XS1X for three-phase submetering, solar import/export, Modbus integration, tariff handling, panel space, compliance, and long-term maintainability.

energy-meter Solar Monitoring submetering din-rail-meter three-phase meter abb-b23 carlo-gavazzi-em340 modbus-rtu

Best Way to Meter a Heat Pump, EV Charger, or Hot Water System Separately

A practical guide to the best way to meter a heat pump, EV charger, or hot water system separately, including when a dedicated circuit meter is enough, when charger or appliance apps fall short, and when whole-home context still matters more than another isolated reading.

Solar Monitoring EV Charging Hot Water home energy monitor circuit monitoring heat pump submetering