Indonesia’s Ministry of Communication and Digital Affairs (Komdigi) said telecommunications services across Sumatra were fully stable as of 09:00 a.m. local time on May 28, 2026. All Base Transceiver Station (BTS) sites that were previously affected have now returned to normal operation, with no remaining outages reported.
“There are no more sites in a down status,” the ministry said in a written statement on Thursday (May 28). Komdigi added that the recovery rate has remained at 100 percent since stability was achieved, with no new affected sites or follow-up disruptions recorded.
The ministry said it will continue monitoring network conditions to anticipate any potential further disruptions. “The Ministry of Communication and Digital Affairs will continue monitoring to anticipate potential follow-up disruptions,” it said.
The telecom disruption in Sumatra peaked on May 24, 2026, at 00:00 a.m. local time, when 10,713 BTS sites were reported down across 10 provinces and 142 regencies and cities. The outage was widespread and significantly affected connectivity across the region.
Recovery efforts briefly faced setbacks after a secondary blackout in Aceh on May 25 at 21:00 p.m., which caused a temporary spike in affected sites.
Despite these challenges, Komdigi said restoration efforts were carried out intensively until full recovery was achieved. The ministry confirmed that the handling of the telecom disruption caused by the PLN blackout in Sumatra is now officially complete.
