Jamaica suffered an islandwide blackout on June 5 after a cascading grid failure. Power was restored by Saturday morning, but the government called the outage unacceptable and ordered an investigation.
JPS blamed cascading system failure from lightning; 80% of 690k customers restored by 6am Saturday after 9pm Friday blackout. Single-provider monopoly exposed critical infrastructure vulnerability; incident reveals cascading failure risk and recovery benchmarks for mission-critical systems.
Jamaica · Energy
Key Facts
—The event: Jamaica suffered an islandwide blackout beginning around 9 p.m. on Friday, June 5, leaving the whole country in the dark.
—The provider: Jamaica Public Service, the island’s sole electricity company, serves roughly 690,000 to 700,000 customers.
—The cause: JPS pointed to a system failure and a “cascading effect,” with its CEO citing significant lightning activity near major facilities.
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