– 0 customers out in the US

October 2019 · 20th largest of 72

Tropical Storm Olga

At the peak, 1,132,674 customers were without power, most of them in California, Tennessee, Michigan.

Tropical Storm Olga
Customers out at the peak 1,132,674 Oct 27, 2019, 9:00 AM
Customer-hours lost 53M Every customer out, times every hour out
Counties with 10%+ out 92 of 259 counties affected
Above 600,000 out nationally 44 hours Oct 26, 2019, 9:00 PM onward
States affected 35 CA · TN · MI · IN · NY
Hardest-hit county 100%out Marin, CA · 113,044 customers

Hour by hour

The country, in the dark

Customers without power across the US, two days either side. The shaded band is the time the national total stayed above 600,000.

0 500k 1.0M 1.5M Oct 25Oct 26Oct 27Oct 28Oct 29Oct 30Oct 31Nov 1 Peak 1.1M

By state

Where it hit

StatePeak outShareCounties 10%+
California 1,068,609 19% 28
Tennessee 72,124 6% 10
Michigan 48,742 3% 1
Indiana 31,765 2% 4
New York 28,227 3% 2
Kentucky 26,258 12% 7
Mississippi 25,097 19% 9
Ohio 21,552 4% 1
North Carolina 20,423 3% 1
Georgia 19,616 3% 2
Louisiana 14,413 6% 1
Alabama 14,386 4% 1
Washington 14,112 5% 2
Florida 12,213 4% 0
Virginia 11,818 10% 5
Pennsylvania 11,598 4% 1
Colorado 10,666 6% 0
Texas 9,806 3% 2
Illinois 9,624 3% 1
Oklahoma 8,621 4% 1

State peaks add each county's own peak, which may fall at different hours, so they can exceed the true simultaneous total.

By county

The hardest hit