Dec 16, 2021 · FERC today approved a final rule that will more efficiently utilize our nation’s transmission grid and help lower costs for consumers by improving both the accuracy and transparency of transmission line ratings.

FERC Order 881 - What does this mean for your utility? If you have anything to do with NERC FAC-008 then you are likely aware of the recent FERC Order 881 and how the new statutory requirements will make managing line ratings even more challenging.

The NERC System Protection and Control Working Group (SPCWG) has reviewed FERC orders 881 and 881-A and has found some ambiguity in them regarding requirements for protection system loadability. Order 881 was directed in part to transmission providers to implement ambient-adjusted ratings (AAR) on the

Feb 27, 2025 · The Federal Energy Regulatory Commission (FERC) issued Order Nos. 881 and 881-A, Managing Transmission Line Ratings, to improve the accuracy and transparency of transmission line ratings, to ensure just and reasonable wholesale rates, and to better align the transmission grid with actual operating conditions.

May 25, 2022 · On December 16, 2021, the Federal Energy Regulatory Commission (Commission) issued Order No. 881, a final rule that revised both the pro forma Open Access Transmission Tariff (OATT) and the Commission's regulations under the Federal Power Act (FPA) [1] to improve the accuracy and transparency of electric transmission line ratings. [2] .

FERC Order No. 881 is designed to enhance the efficiency of transmission service and improve transparency of transmission line ratings.

Dec 16, 2021 · Order No. 881 Item E-1 | News Release . Good morning Mr. Chairman and Commissioners. Item E-1 is a draft final rule that reforms both the pro forma Open Access Transmission Tariff (or OATT) and the Commission’s regulations to improve the accuracy and transparency of transmission line ratings.

Dec 16, 2021 · Order No. 881: Final Rule re Managing Transmission Line Ratings under RM20-16. Commissioner Danly is concurring with a separate statement attached. Commissioner Phillips is not participating.

Feb 17, 2022 · Order No. 881 directs transmission providers to use ambient-adjusted ratings (AARs) as the basis for evaluating near-term transmission service as well as for the determination of the necessity of certain curtailment, interruption …

Mar 16, 2022 · FERC Order 881 - Summary FERC is revising both the pro forma OATT and the Commission’s regulations to improve the accuracy and transparency of electric transmission line ratings. FERC order 881 specifically requires ISOs/RTOs and TOs to implement ambient -adjusted ratings on the transmission lines over which they provide transmission service