Column chart showing the number of major power outages per year in Texas from 2000 to 2023. Major outages increased rapidly in the last decade, with just 4 outages reported in 2001 and 49 reported in 2021, the year with the most outages in the time period. 29 major outages were reported in 2023. 80% of outages, on average, have been attributed to extreme weather.