If it were a localized blackout, it would be quite normal. But when the power outage was nationwide and even included The United States of America's overseas territories, it became extremely abnormal.
The old President of The United States was not an expert in the power industry, and he was yet to understand the immense risks involved, merely complaining, "What on earth are those power companies doing? How could they allow a power outage to occur at this critical moment?"