A breakdown in Unit 5 at the Costa Sur power plant left more than 100,000 customers without electricity as of 4:30 PM, according to Genera PR. The company described the outage as "unforeseen," saying its operations teams are investigating the cause to determine an appropriate action plan and will provide updates as the situation develops.
Genera PR acknowledged customer frustration over lost electrical service in a statement posted on X. The Bayamón region was the hardest hit, with more than 50,000 customers left without power.
In context (787daily, from public data)
<0.1%of LUMA customers without power
57-day average 0.3% · worst 1.8%, Sep 30
LUMA's portal showed under 0.1% of customers out at 6:07 AM AST on Nov 2, 2026. Across the 57 days 787daily has tracked it, the daily average is 0.3% and the worst was 1.8% on Sep 30, 2026.
Worst of LUMA's five full years, up from 26.3 hours the year before
Customers averaged 28.4 hours without power in the fiscal year that ended in June 2026, the worst of the five full years LUMA has run the grid and up from 26.3 hours the year before.
LUMA operates the transmission and distribution system.