massoutage

2017 US Power Outage Report

In 2017, the average US customer went without power for about 7.4 hours — the 5th worst of the 11 years on record, 1.1× the decade average. Figures are from DOE/ORNL EAGLE-I and include major storm days.

Avg hrs / customer
7.4
Customer-hours out
1094.6M
Rank (worst)
5th
States with data
50

2017 in context — the last decade

Average hours without power per US customer.

2.9h20153.9h20167.4h20175.6h20184.7h20198.7h20208.9h20218.3h20227.1h202312.6h20245.9h2025

Hardest-hit states in 2017

By longest average outage per customer (SAIDI). Storm-heavy states dominate.

#StateAvg hrs / customerPeak customers out
1Florida49.31,777,800
2Maine37.7109,526
3West Virginia16.418,274
4New Hampshire14.380,811
5Georgia14.2176,310
6Rhode Island13.567,995
7Vermont10.221,446
8North Carolina10.065,797
9Louisiana7.234,037
10Mississippi6.630,090
11Michigan6.0110,606
12Tennessee5.6155,108

Hardest-hit counties in 2017

By peak customers out during the year's worst event.

Biggest single outages of 2017

CountyBeganPeak customers out
Miami-Dade County, FLAugust 14, 20171,777,800
Broward County, FLSeptember 4, 20171,398,920
Palm Beach County, FLSeptember 8, 20171,098,160
Duval County, FLSeptember 9, 2017528,830
Brevard County, FLSeptember 5, 2017522,957
Lee County, FLSeptember 5, 2017462,570
Pinellas County, FLSeptember 7, 2017417,553
Collier County, FLSeptember 7, 2017401,860
Sarasota County, FLSeptember 7, 2017340,240
Orange County, FLSeptember 10, 2017331,670

Source: DOE/ORNL EAGLE-I (15-minute county outage records; major disturbances from DOE OE-417). “Avg hours per customer” is a SAIDI-like measure — total outage customer-minutes divided by tracked customers. Coverage varies by year and utility.