You can't buy electricity voucher via internet banking from 11 pm to 01 am everyday

https://www.kompasiana.com/harisrecht/5b4237d8dd0fa822191e2612/ternyata-isi-token-listrik-pln-tidak-bisa-dilakukan-tengah-malam?page=all 

The writer's experience in that article just happened to me. I try all net banking I have, then some e-commerces. All useless....

It is annoying that the electricity is monopolized by PLN.