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FERC Seeks Comment on Potential Framework for Dynamic Line Ratings

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The Federal Energy Regulatory Commission on June 27 said that it is seeking comment on a potential framework that would make more efficient and cost-effective use of the power grid by requiring the application of dynamic line ratings, which use up-to-date forecasts of weather conditions to improve the accuracy and transparency of transmission line ratings.

Transmission line ratings represent the maximum transfer capability of each transmission line and can change based on weather conditions.

FER said its Advance Notice of Proposed Rulemaking reflects public comments in response to the Commission’s February 17, 2022, Notice of Inquiry on dynamic line ratings.

The Notice of Inquiry, in turn, was built on the Commission’s December 2021 rulemaking, Order No. 881, which required transmission line ratings to reflect ambient air temperatures to improve efficiency in operating transmission lines.

Comments are due within 90 days of the ANOPR being published in the Federal Register.

Reply comments are due within 120 days of the ANOPR being published in the Federal Register.

Additional details about the ANOPR are detailed in a FERC fact sheet.

 

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