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Southern California Edison outlines PSPS triggers, customer programs to Villa Park council
Summary
A Southern California Edison official briefed the Villa Park City Council on thresholds and customer resources for Public Safety Power Shutoffs, describing wind-speed baselines, inspection cycles and enrollment programs for medically dependent customers.
Southern California Edison (SCE) government-relations manager Cynthia Quimby told the Villa Park City Council that the utility uses a range of meteorological and operational data to decide whether to implement a Public Safety Power Shutoff (PSPS).
Quimby said PSPS events are triggered after the utility evaluates two key factors: a fire potential index and wind speeds. "In terms of wind speeds, the kind of baseline for the bare overhead wires is 31 miles per hour sustained, 46 mile per hour gusts," she said, adding that covered conductors have higher baselines: "we're looking at wind speeds that are raised at 40 miles per hour sustained, 58 mile per hour gusts." She noted those…
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