Transmission Operations

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In a winter of superlatives, add this: Wednesday’s ice storm cut power to more than 1 million in the Philadelphia area, with Peco Energy recording a new winter outage record. Peco reported that about 715,000 homes and businesses lost power during the storm, more than any other in its history...

The new Hopatcong 500kV Station is nearly complete and will be energized in April, while the new Roseland 500kV Station is about a month away from completion, a PSEG representative told the Operating Committee last week. This portion of the Susquehanna-Roseland project will add 45 miles of transmission in New...

The Operating and Planning committees endorsed the following manual changes last week: Planning Committee Manual 7: PJM Protection Standards Reason for Changes: Changes were required to align this manual with PJM’s protective relaying philosophy and design guidelines. Impact: The revisions include changes to section 7 (Line Protection) and section 8...

PJM provided members a glimpse last week of the new visualization tools that will soon be available to transmission operators as a result of the deployment of synchrophasors. The Real Time Dynamics Monitoring System will provide wide area situational awareness data to help analyze system performance & events. It will...

Four out of five Reliability Must-Run generation units in the ATSI zone will shut down this year rather than 2015, PJM told the Planning Committee Thursday. Ashtabula Plant (Source: FirstEnergy) East Lake 1-3 and Lake Shore 18 will be retired Sept. 15, thanks to transmission upgrades in the area that...

PJM plans to survey generation owners to determine what can be done to increase resource flexibility. Adam Keech, manager of wholesale market operations, told the Operating Committee that the survey will “be looking at the decline in generation flexibility in the last five-ten years,” a worrisome trend that recent weather...

The Planning Committee last week endorsed manual changes implementing PJM’s new capacity import limits. Reason for Change: Stakeholders approved the limits in November out of concerns that PJM might lack sufficient transmission to accommodate its growing volume of capacity imports. Cleared imports grew from about 3,000 MW to more than...

Sub-zero temperatures from Toledo to Tennessee pushed PJM to its limits last week as the RTO overcame the loss of nearly 40,000 MW of generation during an arctic blast that set a new winter demand record. (Source: PJM Interconnection, LLC) Demand response, voluntary conservation and imports helped PJM avoid shedding...

PJM is adding more items to the to-do list resulting from the September heat wave, during which officials ordered limited load sheds to prevent a wider system collapse. A 104-page analysis of the operational events and market impacts resulted in 22 recommendations, including 11 not previously announced (see sidebar). RTO...

Below is a summary of 11 new recommendations resulting from PJM’s final report on the September 2013 heat wave. This is in addition to 11 recommendations made immediately after the events of Sept. 9-11. (See Big To-Do List from September Heat Wave.) Update PJM’s documentation for modeling process and practices...