The Puerto Rico Electric Power Authority has "a fragile system" and "it still hasn't been elevated to the codes and standards for a Category 4" storm.
By Catherine Morehouse
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After Hurricane Maria devastated the U.S. territory in 2017, leaving 1.5 million residents without power for months, the Puerto Rico Electric Power Authority (PREPA) is still wrestling with how to sustainably upgrade its aging electric grid and maintain resilience against extreme weather events.
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In March of this year, Puerto Rico passed a 100% renewable portfolio standard, intended to enhance resilience on that front through smaller, more distributed solar and storage systems, as well as through microgrid deployments.
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In the shorter term, the territory wants to avoid load shedding, and has deployed back up gas turbines across several metropolitan areas to prevent that. But the territory's commission is in the midst of an initiative that will look into how to deploy technologies such as demand response and energy storage strategically and allowing more intermittent resources such as wind and solar to be dispatchable.
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