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handle is hein.crs/govekmi0001 and id is 1 raw text is: S   Congressional                                                    ____
~ Research Service
Electric Grid Physical Security: Recent
Developments
Updated February 7, 2023
On February 6, 2023, the Justice Department announced the arrest of two individuals for planning to
attack five electric power transmission substations around Baltimore, MD, allegedly as part of a racially
or ethnically motivated violent extremist conspiracy. On December 25, 2022, four electric distribution
substations in the Tacoma, WA, area were physically attacked, allegedly by two malicious individuals in a
burglary scheme, causing millions of dollars in damage and cutting power to some 30,000 utility
customers. Three weeks earlier, unknown perpetrators attacked two substations in Moore County, NC,
causing an extended blackout for 45,000 area customers. According to press analysis of Department of
Energy (DOE) incident reports, such attacks are becoming more frequent. The Baltimore, Tacoma, and
Moore County incidents are just the latest examples of physical threats against U.S. electric power
infrastructure that have drawn attention among policymakers and prompted calls for more extensive grid
security standards.
Federal Regulation of Grid Security
The Energy Policy Act of 2005 (P.L. 109-58) mandated the implementation of electric transmission
reliability standards under new authority granted to the Federal Energy Regulatory Commission (FERC),
the independent federal regulator of the interstate electric transmission system. The commission
subsequently designated the North American Electric Reliability Corporation (NERC) as the Electric
Reliability Organization certified to establish and enforce reliability standards-including security
standards-for the U.S. electric transmission grid, subject to commission review. In 2008, FERC's Order
706 approved NERC's initial security standards for critical electric infrastructure; however, these
standards primarily addressed cybersecurity, not physical security.
A 2013 rifle attack by unknown perpetrators on a high-voltage electric power substation in Metcalf, CA,
revealed the need for physical security standards in addition to cybersecurity standards for electric power.
In response to the Metcalf attack, as well as other grid incidents and findings from utility security
exercises, Congress enacted provisions in the FAST Act (P.L. 114-94) to protect or restore the reliability
of critical electric infrastructure during a grid security emergency. Congress also sought stronger physical
security standards from FERC under the commission's existing statutory authority. Accordingly, on
Congressional Research Service
https://crsreports.congress.gov
IN12074
CRS INSIGHT
Prepared for Members and
Committees of Congress

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