1、 CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Electric Reliability and Power System Resilience name redacted Specialist in Energy Policy May 2, 2018 Electricity is vital to the commerce and daily functioning of the United States. Nowhere has this been demonstrated mo
2、re significantly than in Puerto Rico and the U.S. Virgin Islands where the effects of the widespread loss of electricity after Hurricane Maria are still being felt. Subsequently, there has been much discussion about electric system reliability, and how electric systems can improve resiliency. And wh
3、ile the effects were not as catastrophic, the impacts of the Bomb Cyclone in January 2018 caused some to question whether the increasing retirements of coal and nuclear power plants could lessen fuel diversity and affect electric power system resilience. While electric system reliability and system
4、resiliency are related, they differ both in scope and regulatory requirement. Reliability, according to the U.S. Department of Energy (DOE), is the ability of the system or its components to withstand instability, uncontrolled events, cascading failures, or unanticipated loss of system components. R
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