Last Updated: April 2026
Power Outage Statistics 2026: Causes, Duration & Economic Impact
The United States has one of the most outage-prone electrical grids of any developed nation. Americans experience more power outages than their counterparts in most other wealthy countries — and outage duration and frequency have been trending upward for decades. This page compiles the most current power outage data available from the Energy Information Administration (EIA), Department of Energy (DOE), and North American Electric Reliability Corporation (NERC).
Outage Frequency & Duration
~3.5 hrs
average annual outage duration experienced per U.S. electric customer (SAIDI without major events)
— EIA, 2022
~7 hrs
average annual outage duration per customer including major events (storms, disasters)
— EIA, 2022
8 hrs
average total outage time experienced by a U.S. customer in 2020 — the highest in over a decade
— EIA, 2021
1.33x
increase in average outage duration per customer from 2013 to 2022
— EIA, 2023
3,571
major power outage events (affecting 50,000+ customers) reported to DOE in 2022
— DOE OE-417, 2023
900%
increase in major weather-related power outages in the U.S. since the early 2000s
— DOE / Climate Central, 2023
29 hours
median duration of outages caused by severe weather events, according to utility reports
— EIA, 2022
Causes of Power Outages
~80%
of major U.S. power outages are caused by weather events
— DOE, 2023
~10%
caused by equipment failure and aging grid infrastructure
— DOE, 2023
~7%
caused by vehicle accidents, downed lines, and animal interference
— EIA, 2022
~3%
caused by cyberattacks, physical attacks, and human error
— DOE OE-417, 2023
70%
of the U.S. transmission grid is more than 25 years old — a significant contributor to outage risk
— DOE Grid Deployment Office, 2023
140
physical attacks on U.S. electrical infrastructure reported to NERC in 2022 — a new record
— NERC, 2023
Economic Impact
$150B
estimated annual cost of power outages to the U.S. economy
— Lawrence Berkeley National Laboratory, 2022
$44–$70B
annual business interruption losses attributable to power outages
— EIA / Lawrence Berkeley National Laboratory, 2022
$2,000–$5,000
average business loss per hour of power outage for small to mid-sized businesses
— Lawrence Berkeley National Laboratory, 2022
$1,200
average household loss (food spoilage, equipment damage, lodging) from an extended power outage
— FEMA, 2022
$22B
estimated economic impact of the 2021 Texas winter storm power crisis (Winter Storm Uri)
— NOAA NCEI, 2021
58%
of major outages reported to DOE from 2000–2023 were caused by severe weather including hurricanes, ice storms, and tornadoes
— DOE OE-417, 2023
3.5 million
customers lost power during Hurricane Ian (2022) — one of the largest single-event outages in U.S. history
— Florida Division of Emergency Management, 2022
4.5 million
Texas customers lost power during Winter Storm Uri (2021)
— ERCOT, 2021
18 days
some Puerto Rico customers went without power for up to 18 days after Hurricane Helene (2024)
— PREPA, 2024
Grid Reliability Trends
$2.6T
estimated investment needed in U.S. electrical infrastructure through 2050 to meet demand and reliability goals
— DOE Grid Deployment Office, 2023
40%
of U.S. distribution infrastructure (poles, lines, transformers) is approaching or past its design life
— DOE, 2023
3x
increase in grid demand expected by 2050 due to EV adoption, AI data centers, and electrification of heating
— DOE, 2024
Medical & Vulnerable Populations
4.4 million
Americans are dependent on electricity for life-sustaining equipment at home (oxygen concentrators, ventilators, etc.)
— CDC, 2022
~2,500
estimated annual U.S. deaths attributable to power outages, many from medical equipment failures and temperature extremes
— American Journal of Epidemiology, 2022
3.6 million
Americans with diabetes require refrigerated insulin — extended outages create serious health risks
— CDC, 2023
Household Preparedness & Response
22%
of U.S. households have a portable generator
— EIA, 2020 RECS
48 hours
how long most foods in a full refrigerator remain safe without power (24 hours for a half-full fridge)
— USDA Food Safety and Inspection Service, 2023
4 hours
maximum time perishable food should be kept at temperatures above 40°F before being discarded
— USDA, 2023
400+
carbon monoxide poisoning deaths per year are linked to portable generators used indoors — the leading cause of generator-related fatalities
— CDC, 2023
Cite This Page
SurvivalLab. "Power Outage Statistics 2026: Causes, Duration & Economic Impact." SurvivalLab, April 2026. https://survivallab.co/stats/power-outage-statistics-2026
Frequently Asked Questions
How often do power outages occur in the United States?
The U.S. averages over 3,500 major outage events per year (those affecting 50,000 or more customers). The typical American customer experiences between 3.5 and 7 hours of outage time annually, depending on whether major weather events are included. Outage frequency and duration have increased significantly since 2000.
What causes most power outages in the U.S.?
Weather events cause approximately 80% of major U.S. power outages. This includes hurricanes, ice storms, severe thunderstorms, tornadoes, and wildfires. Equipment failure from aging infrastructure accounts for roughly 10%, while the remaining 10% comes from vehicle accidents, animal interference, cyberattacks, and human error.
How much do power outages cost the U.S. economy?
Lawrence Berkeley National Laboratory estimates power outages cost the U.S. economy approximately $150 billion per year. Business interruption losses account for $44–$70 billion of that total. Individual households typically lose $1,200 or more during an extended outage from food spoilage, alternative accommodation, and equipment damage.
How long can food stay safe during a power outage?
According to the USDA, a full refrigerator will keep food safe for up to 48 hours without power; a half-full refrigerator for only 24 hours. A full freezer stays safe for 48 hours; a half-full freezer for 24 hours. The key rule: never leave perishable food at temperatures above 40°F for more than 4 hours total. When in doubt, throw it out.
Is the U.S. power grid getting more or less reliable?
Less reliable over the past two decades. DOE data shows a 900% increase in major weather-related outages since the early 2000s. The grid faces compounding challenges: aging infrastructure, more frequent extreme weather, rising electricity demand from EVs and data centers, and physical security threats. Federal infrastructure investment through the Bipartisan Infrastructure Law aims to reverse this trend, but improvements are projected to take 10–20 years.