EIA Form 861 · 2023 filings

Reliability guides grounded in the live EIA corpus

Plain-language explainers for SAIDI, SAIFI, ownership type, weather, and pre-move checks - each tied to the same 918 utility records PlainUtility ranks and compares.

Start with SAIDI/SAIFI → Open rankings

Answer first

Among utilities with ≥10,000 customers in the 2023 EIA filing, City of Kirkwood - (MO) leads at 1.6 minutes SAIDI; the top-5 cutoff sits at 7.3 minutes versus a customer-weighted national average of 341 minutes. Frequency reorders the same five: Shakopee Public Utilities Comm posts 0.10 interruptions per customer.

7
Editorial guides
2023
Latest filing year
918
Utilities with SAIDI/SAIFI
341 min
Customer-weighted national SAIDI

Corpus vintage 2026-08-30 · methodology documents refresh cadence.

Lowest SAIDI among ≥10k-customer utilities (2023) Horizontal bar chart of the top 5 items by value (min). Lowest SAIDI among ≥10k-customer utilities (2023) Top 5 1. City of Kirkwood 1.6 min 2. Shakopee Public Utilities Co 4.9 min 3. Town of Braintree 5.8 min 4. Alameda Municipal Power 6.7 min 5. Village of Freeport 7.3 min Live reliability join · customers ≥10,000 · lower isbetter

SAIFI for the same duration leaders

City of Kirkwood0.07Shakopee Public Utilities Co0.10Town of Braintree0.10Alameda Municipal Power0.03Village of Freeport0.09
Same utilities, interruption frequency. A low-SAIDI filer can still interrupt often.

How to use these guides

Start with SAIDI and SAIFI, then ownership type and weather, then the pre-move and insurance guides - so any utility or state page you open next has a comparable frame.

Hub stats refresh from the live EIA Form 861 reliability table. Individual guide bodies are editorial explainers; every chart on a guide page queries the same corpus. See methodology for load steps and vintage.

Understanding SAIDI and SAIFI: What Power Outage Metrics Mean for You

Learn what SAIDI and SAIFI measure, how to interpret outage data, and why these metrics matter for homeowners and renters.

The Most (and Least) Reliable Electric Utilities in America

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How Your Utility's Reliability Affects Home Insurance and Property Value

Frequent outages mean more sump pump failures, pipe freezes, and food spoilage. How outage history can affect insurance costs and home value.

Moving to a New Area? How to Check Your Future Utility's Outage History

Before you sign a lease or close on a house, find out how reliable your electric utility is, and what questions to ask.

Rural vs Urban Power Reliability: What the Data Shows

How power outage duration and frequency differ between rural and urban utilities, and what drives the reliability gap.

How Weather Affects the Power Grid

What EIA reliability data reveals about storms, extreme heat, ice events, and the gap between headline SAIDI and baseline performance.

IOU, Co-op, or Municipal: How Utility Type Affects Reliability

Different ownership structures serve different territories with different incentives. What the data shows across utility types.

Methodology

Guides explain reliability concepts using the same EIA Form 861 SAIDI/SAIFI filings PlainUtility ranks and compares. Live hub stats refresh with the corpus; we do not invent outage minutes that are not in the filing year shown.

When major-event days inflate headline SAIDI, we surface both with-MED and without-MED figures so weather exposure is not mistaken for day-to-day infrastructure reliability.

Download the EIA Form 861 reliability extract cited on this page: eia-form-861-reliability-statistics.csv (CC BY 4.0).