Several regions across the island of Sumatra were plunged into a total blackout on Friday, May 22, 2026.

Major blackouts are reported in some areas of Aceh, North Sumatra, Riau, and West Sumatra on Friday night.

PLN has deployed hundreds of personnel working 24 hours in various affected areas.

Darmawan Prasodjo, the CEO of PT Perusahaan Listrik Negara (PLN), issued an apology after a major power outage affected most areas of Sumatra on Friday, May 22, 2026.

The blackout affected not only North Sumatra, but also other provinces inlcuding Aceh, West Sumatra, Riau, Jambi and South Sumatra.

Several regions across the island of Sumatra were plunged into a total blackout on Friday, May 22, 2026.

LBH Medan and local leaders demand PLN compensate over 8 million customers in Sumatra following the massive blackout.