 2024-2026 Underfrequency Load Shedding Program Assessment by WECC

Primary WECC Underfrequency Load Shedding Work Group report; the cover gives its date and group attribution. Printed p.4 describes dynamic simulation assessment and monitored frequency response; printed p.12, Generation–Load Imbalance Creation, describes modeled generation deficits of 10%, 20% and 25%. Simulation results are not field measurements.