NERC is still analyzing the causes of the July 10 low-frequency event in the Eastern Interconnection, PJM’s Chris Pilong told the Operating Committee.

The Operating Committee endorsed PJM’s recommended winter weekly reserve targets, which consist of monthly values based on weekly peak load.

The Mid-Atlantic region experienced heavy precipitation this summer that was great for hydro generation, PJM staff told the Operating Committee.

PJM staff outlined recommendations it developed to address a mysterious frequency drop on July 10.

PJM is hoping to simplify its communication of items that require stakeholder action through a new “stakeholder impact slide” in presentations.

PJM faced several high load forecasts and hot weather alerts last month but never had to take emergency procedures, the Operating Committee learned.

PJM experienced 77 emergency procedures in May, staff told attendees at last week’s Operating Committee meeting.

The PJM Operating Committee unanimously approved revisions to Manual 14D to tighten the notification rules for transferring the ownership of generation units.

With the exception of three nor’easters, system operations in March were relatively uneventful, PJM told Operating Committee meeting attendees.

PJM will hold its spring restoration drill May 15-16, staff told attendees at last week’s Operating Committee meeting.