PREPA

A remote village on Puerto Rico gains a solar-based microgrid

After Hurricane Maria struck, the village of Castañer was without electricity for six months. Now, a solar and battery storage microgrid will support businesses that offer essential goods and services. March 22, 2021 David Wagman A rural village in a mountainous part of Puerto Rico was selected to receive support for a solar energy microgrid …

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Report outlines rooftop solar and storage for 75% of Puerto Rico’s power, and at a lower cost

Distributed solar and storage should be the focus for $9.6 billion in FEMA funds allocated for Puerto Rico’s grid reconstruction, says a new report based on independent analysis. March 17, 2021 William Driscoll Adding solar and storage to every home in Puerto Rico, plus solar on commercial sites, could provide 75% of the territory’s electricity …

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Morning Brief: FERC loses commissioner with no replacements in sight, Improving utility-scale bifacial modeling

Also in the brief: Puerto Rico chooses solar over gas in grid redesign, U.S. clean power giants to join forces to build lobbying muscle. September 8, 2020 Eric Wesoff Image: Wikimedia Commons Improving utility-scale bifacial modeling best practices: Researchers from Array Technologies, PV Lighthouse, and CFV Labs recently concluded a long-term bifacial solar field study. …

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Puerto Rico citizens’ groups challenge utility plan for 500 MW of temporary generation

At least two renewable energy firms decided not to bid on the utility’s procurement, which calls for generation equipment with a 90% capacity factor. A former chairman of the Puerto Rico Energy Bureau also comments on the plan, and shares his vision of Puerto Rico reaching 100% renewables by 2030. May 26, 2020 William Driscoll …

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Sunrun proposes solar+storage virtual power plants across Puerto Rico

Sunrun has proposed quick deployment of solar-plus-storage virtual power plants across Puerto Rico, while clean energy groups found the island utility’s resource modeling disadvantaged solar, and showed that Hawaii is deploying renewables at twice the rate proposed for Puerto Rico.  Their input came in the form of testimony on the draft integrated resource plan (IRP) …

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PREPA supercharges solar and storage in new long-term plan

Puerto Rico is an island that is very much in the process of transition, and this applies as much to its electricity sector as anything. After Hurricane Maria, the island has not only had to rebuild its power grid and restore power, but has done so with a heavily indebted public utility that has been …

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Puerto Rico goes 100% renewable as Trump Administration calls for more gas

Governor Rosselló has signed legislation moving the island to 100% renewable energy, while both the Trump Administration and the island’s utility push for a greater dependence on gas. April 11, 2019 Christian Roselund Only one day after the Chicago City Council approved Mayor Rahm Emanuel’s plan to move the city to 100% renewable energy by …

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PREPA’s long-term plan is in chaos

Puerto Rico regulators have rejected the Integrated Resource Plan filed by the island’s utility; however the plan is also likely out of compliance with the island’s new 100% renewable energy law. In the interim, PREPA is moving to get gas plants online. April 2, 2019 Christian Roselund Utility long-term plans are often based on moving …

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Puerto Rico to officially go 100% renewable

Senate Bill 1121 has been given final approval by the Puerto Rico legislature and is headed to the desk of Governor Ricardo Rosselló. When passed, it will make the island the fifth state-level jurisdiction to establish a 100% zero-carbon and/or renewable energy mandate. March 26, 2019 Tim Sylvia It is a cleaner morning than ever, or …

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Puerto Rico plans stop short of the grid of the future

Electric utilities have a big problem. They are allowed to earn a rate of return on supplying electricity to customers, often with a monopoly on supply of power, but as part of this social grant they are supposed to deliver this power reliably. And as natural disasters such as storms and wildfires increase in severity …

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