IEEE Power & Energy Magazine - March/April 2018 - 26

Off the
Beaten Path
Resiliency and
Associated Risk

L

image licensed by ingram publishing

Large-scaLe eLectric grids remain
an indispensable critical infrastructure, and the vast
majority of people will continue to receive most of
their electric energy from such grids for decades to
come. the impacts of the loss of a portion of the
electric grid range from minor inconveniences for
most users when the outage is on a small scale and
short lived to potentially catastrophic situations
when the blackout covers a large region for a long
duration. since the inception of the first electric
grids in the 1880s, much has been done to reduce
the likelihood and extent of blackouts. However,
they cannot be totally eliminated, and there is usually a tradeoff between reduced blackout risk and
increased cost. the focus of this article is on costeffective ways to reduce this risk and, consequently,
improve resiliency.
Keeping the lights on involves designing and
operating the electric grid with the goal of simultaneously increasing two related but ultimately quite
different concepts: reliability and resiliency. Merriam-Webster defines reliable as "suitable or fit to
be relied on: dependable" and resilience as "an ability to recover from or adjust easily to misfortune or
change." certainly, to be effective, any large-scale
electric grid must, at least to some degree, be both
reliable and resilient, i.e. available.
Both attributes have been considered either
explicitly or implicitly in grid design almost from
Digital Object Identifier 10.1109/MPE.2017.2780961
Date of publication: 21 February 2018

26

ieee power & energy magazine

1540-7977/18©2018IEEE

march/april 2018



Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - March/April 2018

Contents
IEEE Power & Energy Magazine - March/April 2018 - Cover1
IEEE Power & Energy Magazine - March/April 2018 - Cover2
IEEE Power & Energy Magazine - March/April 2018 - Contents
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IEEE Power & Energy Magazine - March/April 2018 - Cover3
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