Definition
1. PLN Electricity is electricity source managed by PLN(National Electricity Company).
2. Non-PLN Electricity is electricity source managed by other institutions/parties aside from PLN. Including in this category are power source from accumulator/battery storage,generator,and solar power plant(that are not managed by PLN).
Petromak/aladin lamp such as multi-fuel lantern and gas lantern is categorized in code 3,while other oil lamps such as(sentir,pelita and other of the same type) are categorized in code 4. Carbide lamp,candle,castor oir lamp,and candlenut lamp are included in code 5.