
On December 19, 2024, FERC issued a Notice of Proposed Rulemaking (NOPR) to approve the addition of the newly defined term “Ride-through” to the North American Electric Reliability Corporation (NERC) Glossary of Terms and to approve the proposed Protection and Control (PRC) Reliability Standards PRC-024-4 (Frequency and Voltage Protection Settings for Synchronous Generators, Type 1 and 2 Wind Resources, and Synchronous Condensers) and PRC-029-1 (Frequency and Voltage Ride-through Requirements for Inverter-Based Resources (IBR)). According to FERC, these reliability standards are intended to address reliability gaps associated with IBRs tripping or entering momentary cessation in aggregate. The new rules will ensure that IBRs are able to “ride through” frequency and voltage excursions, such as faults on the transmission or sub-transmission system. In the NOPR, FERC seeks comments on the proposed rules and the need for informational filings that would help FERC analyze the impact of proposed exemptions in the rules for certain IBRs.