SPP Recent Meeting Materials Published RE: FERC Order 881
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Summary:
SPP's Reliability Compliance Working Group (RCWG) published its recent meeting materials. Among the materials, is a presentation on Transmission Line Ratings as related to FERC Order 881.
Additional Discussion:
RCWG?
The SPP Reliability Compliance Working Group (RCWG) will:
- Provide guidance to SPP Inc. on policy issues related to reliability compliance activities at the federal and/or regional level.
- Provide expertise to other SPP Working Groups on SPP Membership issues related to reliability compliance matters specific to execution, interpretation or implementation of federal requirements, NERC Reliability Standards, or SPP governing documents.
- Provide a stakeholder forum to encourage SPP Membership discussion of reliability compliance issues and provide a means to communicate collective SPP Membership input to appropriate regulatory bodies, i.e., Federal Energy Regulatory Commission (FERC), North American Electric Reliability Corporation (NERC), and all applicable Regional Entity (RE) staff.
- Provide a Membership forum to interface with SPP Regional Transmission Organization (RTO) Compliance staff on matters of NERC Reliability Standards’ compliance (Operations, Planning and Critical Infrastructure Protection) related to processes and procedures that also impact SPP Members.
FERC Order 881
On December 16, 2021, FERC issued Order No. 881 to improve the accuracy and transparency of transmission line ratings used by transmission providers. The requirements outlined in the order include
- implementation of ambient-adjusted ratings (AARs) and seasonal ratings.
- establishment and implementation of systems and procedures necessary to allow transmission owners to electronically update transmission line ratings at least hourly.
- transmission providers must use uniquely determined emergency ratings for contingency analysis in the operations horizon and in post-contingency simulations of constraints.
- transmission owners must share transmission line ratings and transmission line rating methodologies with their transmission provider and market monitor, as applicable.
- transmission providers must maintain a database of each transmission owner’s transmission line ratings and transmission line raiting methodologies on the transmission provider’s OASIS
FERC included pro forma language in FERC Order 881 to be included in the SPP Tariff, and SPP proposes to include this language as new Attachment AJ to the SPP Tariff. Any changes to the pro forma language provided in FERC Order 881 have been highlighted in yellow and commented on, as applicable.
The order was published in the Federal Register on January 13, 2022. The compliance filing is due July 12, 2022.
Associated Files:
