In Medan, North Sumatra, the blackouts have now triggered a looming clean water supply crisis after critical equipment operated by regional water company PDAM Tirtanadi was damaged during the outages.

State-owned electricity company PLN is working hard to restore electricity to affected regions in North Sumatra and expects electricity supply to resume on Wednesday or Thursday.

In Medan, North Sumatra, the blackouts have now triggered a looming clean water supply crisis after critical equipment operated by regional water company PDAM Tirtanadi was…