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December 5, 2025

synchrophasors

IESO
IESO to Expand Synchrophasor Data Requirements to Storage

IESO proposes to update its synchrophasor data requirements to include storage resources as part of its effort to expand the use of phasor measurement units in Ontario.

PJM Operating Committee Briefs: Aug. 6, 2020
The PJM Operating Committee endorsed changes to Manual 1 to expand the use of synchrophasors and make them a requirement for certain projects under the RTEP.
PJM Stakeholders OK PMU Requirement
PJM stakeholders endorsed “quick-fix” manual revisions to expand the use of synchrophasors and make them a requirement for certain projects under the RTEP.
PMU Vote Delayed by PJM
PJM’s Planning Committee postponed a vote on “quick-fix” manual revisions to expand the use of PMUs and require them for certain projects under the RTEP.
PJM PC/TEAC Briefs: March 10, 2020
PJM plans to expand the use of synchrophasors and formalize their placements — currently voluntary — into the Regional Transmission Expansion Plan.
PJM Operating Committee Briefs: June 5, 2018
PJM experienced 77 emergency procedures in May, staff told attendees at last week’s Operating Committee meeting.
PJM Operating Committee Briefs: April 3, 2018
With the exception of three nor’easters, system operations in March were relatively uneventful, PJM told Operating Committee meeting attendees.
PJM Operating Committee Briefs
The PJM Operating Committee discussed synchrophasors, its recent system restoration drill and NERC's upcoming GridEx exercise.
PJM Operating Committee Briefs
The PJM Operating Committee discussed cold weather testing, synchrophasor data and frequency response.
PJM Operating Committee Briefs
A round-up of news from the PJM Operating Committee on March 10, 2015.

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