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Fortnightly Magazine - November 2026

Rebuilding in Puerto Rico

Lessons from an Isolated Grid

Whether you’re reading this from your home commission, a utility office across North America, or tuning in from overseas, the Puerto Rico Energy Bureau's playbook matters to you. Isolated grids don’t have unique problems; they just face tomorrow’s problems a little earlier. Wild weather, capacity crunches, aging hardware, and regulatory balancing acts are showing up everywhere.
Byline: 

Rachel Bryant is Executive Editor of Public Utilities Fortnightly.

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Regulating Island Power: Inside the Puerto Rico Energy Bureau

Puerto Rico Energy Bureau

As utility regulators gather in San Juan for the 2026 NARUC Annual Meeting and Education Conference, Public Utilities Fortnightly is putting a spotlight on Puerto Rico, which is navigating one of the most ambitious and complex grid modernization efforts in American history. Facing the dual challenges of physical isolation and structural utility transformation, the Puerto Rico Energy Bureau (PREB) operates under a unique regulatory mandate.

Byline: 

PUF

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Regulating Island Power: President Edison Avilés-Deliz

Puerto Rico Energy Bureau

“The contract and regulatory framework operate simultaneously. Puerto Rico has separated functions. PREPA owns the public assets, while private entities operate significant portions of the system. A contract establishes obligations among its parties, while PREB applies authority given by law.”
Byline: 

Edison Avilés-Deliz

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Regulating Island Power: Commissioner Ferdinand Ramos-Soegaard

Puerto Rico Energy Bureau

“PREB structured a performance incentive mechanism tied directly to LUMA’s operator agreement. If the operator fails to achieve reliability thresholds and performance metrics set by PREB, it could forfeit some or all of the financial incentive payments.”
Byline: 

Ferdinand Ramos-Soegaard

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Uniting Regulators in Complex Times

NARUC

“Utilities are having to increase their costs to serve customers and how well we can explain that to customers, congressional members, and governors is critical. I’m not sure we’ve entirely been successful.”
Byline: 

Ann Rendahl with Paul Kjellander

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NARUC Committee Chairs Look Ahead to Puerto Rico

Puerto Rico

Former NARUC President and PUF Senior Advisor Paul Kjellander speaks with Committee on Water Chair Michael Bange of New Jersey, Committee on Gas Chair Steve DeFrank of Pennsylvania, and Committee on Electricity Chair John Hammond of Idaho.
Byline: 

PUF

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