Electric Utilities

918 U.S. electric distribution utilities with SAIDI and SAIFI reliability data drawn from the U.S. Energy Information Administration EIA Form 861 annual electric power industry survey (2020-2023 filing years, last refreshed June 2026). According to the EIA, the national nMED SAIDI average was approximately 146 minutes per customer per year in 2022 (excluding major event days). See our methodology for IEEE Standard 1366 definitions and refresh cadence.

Utility State Type SAIDI 2023 SAIFI 2023
Great Lakes Energy Coop MI Cooperative 265.2 1.69
Green Mountain Power Corp VT IOU 782.4 2.51
Greenville Utilities Comm NC Municipal 35.4 0.47
Greenwood Utilities Comm MS Municipal - -
Greer Commission of Public Wks SC Municipal 33.8 0.48
GreyStone Power Corporation GA Cooperative 196.8 1.96
Groton Dept of Utilities - (CT) CT Municipal 120.1 1.04
Guadalupe Valley Elec Coop Inc TX Cooperative 143.2 1.61
Guernsey-Muskingum El Coop Inc OH Cooperative 545.3 2.86
Gulf Coast Electric Coop, Inc FL Cooperative 781.0 4.90
Gulf Power Co FL IOU - -
Habersham Electric Membership Corp GA Cooperative 323.2 2.54
Hancock-Wood Electric Coop Inc OH Cooperative 70.0 0.85
Harrison County Rural E M C IN Cooperative 906.0 3.80
Hart Electric Member Corp GA Cooperative 97.8 1.30
Hartford Electric WI Municipal 29.8 0.25
Hawaii Electric Light Co Inc HI IOU 245.9 2.61
Hawaiian Electric Co Inc HI IOU 149.5 1.12
Haywood Electric Member Corp NC Cooperative 635.4 3.75
Heart of Texas Electric Coop TX Cooperative 674.7 2.27
Heartland Power Coop IA Cooperative 54.9 0.65
Henderson City Utility Comm KY Municipal 34.9 0.80
Hendricks County Rural E M C IN Cooperative 229.1 1.50
High Plains Power Inc WY Cooperative 325.6 -
HILCO Electric Cooperative, Inc. TX Cooperative 149.8 1.33
Holmes-Wayne Electric Coop Inc OH Cooperative 581.0 2.96
Holston Electric Coop, Inc TN Cooperative 235.4 3.07
Holy Cross Electric Assn, Inc CO Cooperative 60.5 0.85
Homer Electric Assn Inc AK Cooperative 851.2 3.88
Horry Electric Coop Inc SC Cooperative 156.0 1.54
Houston County Elec Coop Inc TX Cooperative 816.6 5.33
Hutchinson Utilities Comm MN Municipal 1.8 0.12
Idaho Power Co ID IOU 130.4 1.07
Imperial Irrigation District CA Municipal 164.4 0.94
Indian Electric Coop, Inc OK Cooperative 320.7 0.42
Indiana Michigan Power Co IN IOU 155.1 0.85
Inland Power & Light Company WA Cooperative 219.0 1.20
Inter County Energy Coop Corp - (KY) KY Cooperative 163.3 1.33
Intercounty Electric Coop Assn - (MO) MO Cooperative 464.9 2.62
Interstate Power and Light Co IA IOU 149.4 1.00
Iowa Lakes Electric Coop IA Cooperative 51.7 0.51
Itasca-Mantrap Co-op Electrical Assn MN Cooperative 162.1 2.99
Jackson County Rural E M C - (IN) IN Cooperative 333.1 2.37
Jackson Electric Member Corp - (GA) GA Cooperative 208.8 1.58
Jackson Energy Coop Corp - (KY) KY Cooperative 1455.0 3.63
Jackson Purchase Energy Corporation KY Cooperative 418.6 2.66
Jamestown Board of Public Util NY Municipal 43.1 1.59
Jasper County Rural E M C IN Cooperative 300.2 3.32
Jasper-Newton Elec Coop, Inc TX Cooperative 615.5 5.30
JEA FL Municipal 64.6 -
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