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By Suzanne Herel WILMINGTON, Del. — PJM stakeholders last week approved tighter rules on generator lost opportunity costs but rejected a proposal to limit eligibility to the most flexible combustion units. The rules concern compensation for combustion turbines that are scheduled in the day-ahead energy market but not committed in...

The Markets and Reliability Committee approved Tariff and manual revisions regarding PJM’s use of sampling to measure and verify residential demand response. The new measurement method was originally endorsed at the Jan. 22 Members Committee meeting. Thursday’s vote approved the inclusion of an additional transition year because of delays in filing...

Below is a summary of the issues scheduled to be brought to a vote at the Markets and Reliability and Members committees Thursday. Each item is listed by agenda number, description and projected time of discussion, followed by a summary of the issue and links to prior coverage in RTO...

By Suzanne Herel VALLEY FORGE, Pa. — Stakeholders last week continued their debate over PJM’s proposal to create “historic” capacity transfer rights for some load-serving entities, with the Independent Market Monitor cautioning the Market Implementation Committee that the new Tariff language would constitute a “fundamental change.” The proposal resulted from...

By Suzanne Herel VALLEY FORGE, PA — Two competing transmission developers are challenging PJM’s selection of Dominion Resources and FirstEnergy to resolve reliability problems near Pratts, Va. (See Dominion, FirstEnergy Recommended for Pratts Solution.) (Click to zoom.) ITC Holdings and Northeast Transmission Development sent PJM letters questioning the decision and...

An unexpected geomagnetic disturbance (GMD) March 17 caused brief spikes on PJM’s grid but no operational problems, RTO officials told the Operating Committee last week. Some of PJM’s approximately 50 geomagnetically induced current (GIC) meters recorded spikes of more than 20 amps, but the jumps were short-lived and did not...

By Suzanne Herel VALLEY FORGE, Pa. — PJM planners said last week they will announce their revised recommendation to address stability problems at the Artificial Island nuclear complex at a special Transmission Expansion Advisory Committee meeting April 28. Planners recommended Public Service Electric & Gas for the project last June, but...

Transmission planners are considering additional changes to their light-load studies based on a reevaluation of three years of data that showed coal- and natural gas-fired generation are operating at higher capacity factors than previously assumed. Planners already had concluded that maximum wind capacity factors should be increased in the studies.

WILMINGTON, Del. — The MRC endorsed the following Thursday: Manual 11: Energy & Ancillary Services Market Operations — Updates manual to include a method for screening of demand bids by load-serving entities, as approved by the Federal Energy Regulatory Commission in November (ER14-2976). Bids are limited to the LSE’s calculated zonal peak...

By Suzanne Herel WILMINGTON, Del. — The PJM Markets and Reliability Committee on Thursday tabled voting until next month on a proposal to tighten rules on lost opportunity costs for combustion turbines. PJM and Independent Market Monitor Joe Bowring supported the change, saying that current rules provide incentives for units to...