Protection System, Automatic Reclosing, and Sudden Pressure Relaying Maintenance Reliability Standard

Pursuant to the Federal Power Act, the Commission approves a revised Reliability Standard, PRC-005-4 (Protection System, Automatic Reclosing and Sudden Pressure Relaying Maintenance), developed and submitted by the North American Electric Reliability Corporation (NERC). In addition, the Commission approves one new definition and four revised definitions referenced in the proposed Reliability Standard, as well as the assigned violation risk factors and violation severity levels, and the associated implementation plan. Consistent with Order No. 758, the proposed Reliability Standard requires applicable entities to test and maintain certain sudden pressure relays as part of a protection system maintenance program.