상황
A residential PV system with hybrid inverter and battery storage connected to the grid under Enel Ceará's net metering program.
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01
Selection of appropriate breaker ratings to match 15 kWp inverter output and battery charge/discharge
02
Inclusion of a visible break disconnect switch and surge protection at the service entrance
03
Ensuring bidirectional metering for net energy billing
Applicable to residential and small commercial PV systems up to 75 kW in Ceará, Brazil, requiring Enel's interconnection approval.