The following items were approved unanimously by the Markets and Reliability Committee Thursday with little discussion or debate.
Tariff Revisions to Metered Load Aggregates
The MRC approved an alternate method for establishing bus distribution factors for zonal and residual metered load aggregates used by the day-ahead energy market. If there are technical problems that prevent PJM from obtaining the load distribution factors from the snapshot one week prior to the operating day, it will use the load distribution factors from the most recently available day of the week that the operating day falls on.
Harmonizing PJM’s Governing Documents
The committee approved an issue charge creating the Tariff Harmonization Senior Task Force, which will report to the MRC. It will be tasked with identifying and resolving inconsistencies in definitions, indemnification, limitation of liability and alternative dispute resolution procedures in the current Tariff, Operating Agreement, Reliability Assurance Agreement and Manual 35 provisions. (See Task Force Proposed to Resolve Inconsistencies in PJM Governing Documents.)
The task force is expected to deliver proposed revisions in six to 12 months.
Standards for Enhanced Inverters
The committee approved standards for inverter-based generators defined as asynchronous generation that have an Interconnection Service Agreement or a Wholesale Market Participation Agreement. The standards, which apply to Federal Energy Regulatory Commission jurisdictional inverters, regard the inverters’ provision of voltage support, reactive power, frequency response and ramp-rate control. The changes will not affect merchant transmission facilities, HVDC inverter-converter facilities or existing generation. (See Enhanced Inverters Clear MRC.)
Manual Changes
The MRC approved changes to the following manuals:
- Manual 10: Pre-Scheduling Operations was updated as part of an annual review. “Local Control Center” was changed to “Transmission Owner” in the introduction. A section clarifying outage reporting requirements for facilities providing black start service was added.
- Manual 14D: Generator Operational Requirements was modified to be consistent with the revised North American Electric Reliability Corp. standard VAR-002-3, which became effective Oct. 1. The revisions address notifications of status changes on automatic voltage regulators, power system stabilizers and reactive capability.
- Manual 01: Control Center and Data Exchange Requirements was amended with the addition of a section regarding user agreements related to the purchase of PJMnet connections.
Compiled by Suzanne Herel