National Laboratory of the Rockies: Pennsylvania Public Utility Commission/ Technical Utility Services Bureau Distribution System Resilience Deep Dive 2025 Executive Summary

Summary

Pennsylvania's electric grid faces frequent widespread power outages due to severe wind events, posing a challenge for utilities to prioritize and evaluate resilience upgrades given diverse operational environments and uncertain benefits. This report addresses this by developing new data-driven metrics derived from analyzing outage records across multiple utilities, allowing for a more consistent evaluation of system performance during extreme weather. The completed analysis reveals significant differences in wind sensitivity among Pennsylvania utilities and identifies critical wind-speed thresholds for outage increases, providing a robust foundation for localized resilience planning and future investment prioritization.

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