NYISO requested a three-year extension to comply with FERC Order 881, saying it needs more time to implement software and hardware updates needed to support ambient-adjusted ratings on transmission lines.

FERC approved the compliance filings of six transmission providers, including those of NYISO and CAISO, with Order 88.

The Midwest faces several new risks in 2023, including cybersecurity threats and supply chain issues, according to the MRO’s 2023 Regional Risk Assessment.

FERC approved a $4.4 million settlement with PacifiCorp that ends an enforcement probe into the utility’s transmission line rating practices.

SERC’s Spring Reliability and Security webinar in part focused on the risks associated with inaccurate transmission line ratings.