luma energy

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    Legal & Regulatory

    Federal Grid Interventions Enter a Second Phase as DOE Extends Emergency Orders

    The Trump administration’s unprecedented use of emergency grid authorities entered a second phase in August 2025, as the Department of Energy (DOE) extended three critical reliability orders. The measures signal that this year’s historic string of federal interventions—staked in Section 202(c) of the Federal Power Act—are likely to continue beyond the traditional summer peak and […]

  • The Costa Sur Thermal Power Plant, owned and operated by the Puerto Rico Electric Power Authority (PREPA), is located in Guayanilla on the island’s southern coast. The 820-MW facility, one of Puerto Rico’s largest fossil-fueled power stations, uses dual-fuel steam units and includes black start-capable gas turbines. It plays a central role in maintaining grid reliability during emergencies. In May 2025, PREPA restored Unit 5 to service following months of outage, adding 350 MW of dispatchable capacity ahead of the summer peak.
    Power

    DOE Orders Fossil Units Online After Puerto Rico Blackouts, Citing Dispatchable Capacity Need

    The U.S. Department of Energy (DOE) has invoked emergency authority to compel Puerto Rico’s public utility to dispatch mothballed oil-fired and fossil-fueled power units, citing an imminent threat to grid reliability following two major blackouts in less than a month. Energy Secretary Chris Wright, acting on behalf of the DOE’s Office of Cybersecurity, Energy Security, […]