NERC, MRO, Reliability First (RF), NPCC, SERC, and WECC Support FERC’s Dynamic Line Ratings
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Summary:
The North American Electric Reliability Corporation (“NERC”), along with Regional Entities Midwest Reliability Organization, Northeast Power Coordinating Council, Inc., ReliabilityFirst Corporation, SERC Reliability Corporation, Texas Reliability Entity, Inc., and Western Electricity Coordinating Council (collectively, the “ERO Enterprise”) provided comments on the Notice of Inquiry issued by the Federal Energy Regulatory Commission (“FERC” or the “Commission”) on February 17, 2022. A dynamic line rating is defined as a transmission line rating that: “(1) applies to a time period of not greater than one hour; and (2) reflects up-to-date forecasts of inputs such as (but not limited to) ambient air temperature, wind, solar heating intensity, transmission line tension, or transmission line sag.”
Additional Discussion:
In the Notice of Inquiry, the Commission sought comment on whether and how the required use of dynamic line ratings (or “DLRs”) is needed to ensure just and reasonable wholesale rates and other market and technical related considerations for mandatory DLR requirements. Relevant to the reliability mission of the ERO Enterprise, the Commission sought specific comment on the potential cybersecurity challenges of DLR implementation and considerations for BPS reliability. The ERO Enterprise supports the Commission’s consideration of the potential security and reliability considerations associated with a market-related rule to require the use of DLRs.
Cmts on DLR NOI
Cmts on DLR NOI