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handle is hein.crs/govekcu0001 and id is 1 raw text is: S   Congressional                                                     ____
~ Research Service
Electric Grid Physical Security: Recent
Developments
January 9, 2023
On December 25, 2022, four electric power 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 substation
attacks are becoming more frequent. The Tacoma and Moore County incidents are just the latest examples
of physical attacks against U.S. electric power infrastructure that have drawn attention among
policymakers and prompted calls for more extensive grid security standards. The federal role in electric
grid physical security and related developments in Congress are discussed below.
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 passed 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
March 7, 2014, FERC issued Order 802 requiring NERC to promulgate new mandatory standards for the
physical security of transmission critical infrastructure.
Congressional Research Service
https://crsreports.congress.gov
IN12074
CRS INSIGHT
Prepared for Members and
Committees of Congress

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