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
Lyntegar Electric Coop, Inc TX Cooperative 257.3 -
Macon Electric Coop MO Cooperative 101.5 -
Madison Gas & Electric Co WI IOU 64.0 0.28
Magic Valley Electric Coop Inc TX Cooperative 502.6 -
Magnolia Electric Power Assn MS Cooperative 2768.4 -
Manitowoc Public Utilities WI Municipal 70.9 0.65
Maquoketa Valley Rrl Elec Coop IA Cooperative 211.4 1.36
Marlboro Electric Coop, Inc SC Cooperative - -
Maryville Utilities TN Municipal 120.0 1.10
Massachusetts Electric Co MA IOU 349.4 1.16
Matanuska Electric Assn Inc AK Cooperative 606.7 3.24
Maui Electric Co Ltd HI IOU 2344.1 2.56
McKenzie Electric Coop Inc ND Cooperative 142.5 1.24
McMinnville Electric System TN Municipal 25.9 0.59
Meade County Rural E C C KY Cooperative 634.7 1.92
Mecklenburg Electric Cooperative VA Cooperative 244.4 2.06
Medina Electric Coop, Inc TX Cooperative 271.4 2.12
Meeker Coop Light & Power Assn MN Cooperative 77.1 1.12
Menard Electric Coop IL Cooperative 446.7 2.47
Meriwether Lewis Electric Coop TN Cooperative 554.9 2.21
Metropolitan Edison Co PA IOU 427.0 1.46
Mid-Carolina Electric Coop Inc SC Cooperative 137.1 1.63
Mid-South Electric Coop Assn TX Cooperative 409.0 2.20
MidAmerican Energy Co IA IOU 80.0 0.83
Middle Tennessee E M C TN Cooperative 73.8 1.13
Midland Power Coop IA Cooperative 80.7 1.03
Midstate Electric Coop, Inc OR Cooperative 208.1 -
Midwest Electric Member Corp - (NE) NE Cooperative 61.2 0.54
Midwest Electric, Inc - (OH) OH Cooperative 329.6 1.67
Midwest Energy Cooperative - (MI) MI Cooperative 558.0 2.00
Midwest Energy Inc - (KS) KS Cooperative 206.4 1.51
MiEnergy Cooperative IA Cooperative 42.5 0.49
Mille Lacs Energy Cooperative MN Cooperative 153.6 1.18
Minnesota Valley Coop L&P Assn MN Cooperative 93.9 -
Minnesota Valley Electric Coop MN Cooperative 42.5 0.43
Mississippi Power Co MS IOU 245.5 1.07
Missoula Electric Coop, Inc MT Cooperative 165.2 1.19
Mitchell Electric Member Corp GA Cooperative 755.7 4.30
Modesto Irrigation District CA Municipal 60.1 0.60
Mohave Electric Cooperative, Inc. AZ Cooperative 141.3 -
Monongahela Power Co WV IOU 744.0 2.57
Montana-Dakota Utilities Co MT IOU 112.4 1.29
Moon Lake Electric Assn Inc CO Cooperative 121.9 2.20
Morgan County Rural Elec Assn CO Cooperative 144.2 -
Mountain Electric Coop, Inc NC Cooperative 186.6 1.95
Mountain Parks Electric, Inc CO Cooperative 73.5 0.88
Mountain View Elec Assn, Inc CO Cooperative 63.1 0.52
Mountrail-Williams Elec Coop ND Cooperative 241.8 1.39
MPD Electric Cooperative SC Cooperative 258.3 2.02
Mt Carmel Public Utility Co IL IOU 234.7 3.24
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