Top 10 US States by Average Annual Outage Duration (SAIDI)
EIA Form 861 reliability data ranked by state-level average SAIDI (System Average Interruption Duration Index).
Research
Original data research from the PlainUtility. Every number here is pulled directly from our live database; nothing is hardcoded.
What can you learn from PlainUtility research?
What this research covers
PlainUtility research ranks states and utilities from an EIA Form 861 reliability census of 918 reporting utilities across 51 jurisdictions (124,493,803 customers; 918 with SAIDI/SAIFI rows), answering one reliability or scale question per study.
- 918
- reporting utilities
- 51
- state aggregates
- 124,493,803
- customers covered
- 3
- published studies
Studies below answer one outage-duration, customer-scale, or reliability-ranking question each from the live extract; they are descriptive EIA summaries, not utility advice.
Top 10 US Electric Utilities by Customer Count
PlainUtility ranks all reporting electric utilities by total customer count from EIA Form 861 filings.
Top 10 Utilities by Lowest SAIDI (Best Reliability)
PlainUtility ranks utilities by reliability (lowest SAIDI).
Download the EIA Form 861 reliability extract cited on this page: eia-form-861-reliability-statistics.csv (CC BY 4.0).