Data Reports
Rankings and trends built from U.S. Energy Information Administration reliability data (Form EIA-861 and the Electric Power Annual). Each report includes its methodology and a download-friendly table, and is free to cite.
The Largest U.S. Power Outages Since 2014
The 20 biggest U.S. power outages since 2014, ranked by how many customers were out at once, with dates, the hardest-hit states and the storms behind them (DOE EAGLE-I + NOAA).
ReportStates With the Most Power Outages (2025 Data)
Every U.S. state ranked by how many minutes the average customer went without power in 2025, with 5-year averages, using official EIA reliability data.
ReportHow Long Do Power Outages Last? Average Duration by State
Average power outage duration (CAIDI) and frequency (SAIFI) for every state, from 2025 EIA-861 utility reports.
ReportMost and Least Reliable Electric Utilities in the U.S. (2025)
Large U.S. electric utilities ranked by outage minutes per customer (SAIDI) in 2025, from EIA-861 filings.
ReportIs the U.S. Power Grid Getting Less Reliable? 2015–2025 Trends
A decade of U.S. outage data. The gap between everyday reliability and major-event outages, the rise of storm-driven blackouts, and what the numbers mean.