State-owned electricity company Perusahaan Listrik Negara (Persero) (PLN) had 79 million customers throughout Indonesia in 2020. This figure represents a 4.4% increase compared to the previous year, which had 75.71 million customers.
The largest segment of PLN's customers comes from households, totaling 72.6 million. The business sector accounts for 4 million customers.
Furthermore, 2.26 million PLN customers are from the industrial sector, while 130,770 customers come from other sectors.
Regionally, the majority, or 65%, of PLN's customers are located in Java, Madura, and Bali. This aligns with Indonesia's population concentration in that region.
In Sumatra and Kalimantan, the proportion of PLN customers is 26%. Meanwhile, 9% of PLN customers are located in Sulawesi, Maluku, Papua, and Nusa Tenggara.