— Prepaid electricity which is using prepaid digital kWh metre is one of the programs of PT PLN to enhance the quality of their services. They make these programs to avoid errors reading the meter, the uncertainty of the Bills, arrears and disconnection. The problems occurred in the consumer side is whether prepaid electricity consumption more efficient than postpaid electricity consumption. in this research we perform the measurement of electric energy consumption using postpaid and prepaid kwh meter with the same load and the same time, so that we able to know which is more efficient. The measurements performed on 1300 VA, R1 customers with 4 types of load (resistive load 500 Watts and 1000 watts, household expenses 407 Watts and 1235 watt), testing was carried out for 6 hours per day, 6 days per week for 1 month. The research result obtained from measurement and calculation of energy consumption. technically at the time and the same loads, prepaid kWh meter more efficiently than postpaid kWh meters. economically, according to TDL 2010, for consumption under 52 kWh kWh Meter prepaid more efficient, whereas for consumption above 52 kWh showed similar results.ududKeywords :Pre paid electricity, Post paid electricity, Pre paid kWh meters, Post Paid kWh meters.ud
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