On April 20, 2018 (Angeles Forest disturbance) and May
11, 2018 (Palmdale Roost disturbance), bulk power system disturbances involved
the loss of solar photovoltaic (PV) facilities in response to normally cleared
transmission line faults. These events were analyzed by the ERO in coordination
with affected entities including the Western Electricity Coordinating Council,
California Independent System Operator, Southern California Edison, affected
Generator Owners and Generator Operators, and inverter manufacturers. This
disturbance report documents the analyses of these disturbances, and provides
key findings and recommendations for industry.
April and May 2018 Fault Induced Solar Photovoltaic Resource Interruption Disturbances Report
