North American blackout time series statistics and implications for blackout risk
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In this article, the authors used historical data from the North American Electric Reliability Corporation (NERC) to give improved estimates of distributions of blackout size, time correlations, and waiting times for the Eastern and Western interconnections of the US grid.Abstract:
We use North American Electric Reliability Corporation historical data to give improved estimates of distributions of blackout size, time correlations, and waiting times for the Eastern and Western interconnections of the North American grid. We then explain and estimate the implications of the power law region (heavy tails) in the empirical distribution of blackout size in the historical data for the Western interconnection. Annual mean blackout size has high variability and the risk of large blackouts exceeds the risk of medium size blackouts. Ways to communicate blackout risk are discussed.read more
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