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
Umatilla Electric Coop Assn	OR	Cooperative	57.1	0.55
Union Electric Co - (MO)	MO	IOU	480.0	1.18
Union Electric Membership Corp - (NC)	NC	Cooperative	88.0	0.89
Union Rural Electric Coop, Inc	OH	Cooperative	196.8	2.20
United Electric Co-op, Inc - (ID)	ID	Cooperative	330.4	2.76
United Electric Coop Service Inc - (TX)	TX	Cooperative	186.6	1.49
United Illuminating Co	CT	IOU	56.0	0.75
United Power, Inc	CO	Cooperative	65.2	0.65
Unitil Energy Systems	NH	IOU	256.6	1.55
UNS Electric, Inc	AZ	IOU	164.8	0.78
Upper Cumberland E M C	TN	Cooperative	344.0	-
Upper Michigan Energy Resources Corp.	MI	IOU	365.0	1.32
Upper Peninsula Power Company	MI	IOU	425.1	1.58
Upshur Rural Elec Coop Corp	TX	Cooperative	5663.1	6.13
Utilities Dist-Western IN REMC	IN	Cooperative	1300.3	3.32
Utility Board of the City of Key West, F	FL	Municipal	50.0	1.50
Valley Electric Assn, Inc	NV	Cooperative	144.6	1.51
Verdigris Valley Elec Coop Inc	OK	Cooperative	639.1	3.44
Verendrye Electric Coop Inc	ND	Cooperative	47.2	0.63
Vermont Electric Cooperative, Inc	VT	Cooperative	486.3	2.25
Versant Power	ME	IOU	2475.0	3.91
Victoria Electric Coop, Inc	TX	Cooperative	219.2	2.36
Victory Electric Coop Assn Inc	KS	Cooperative	238.5	-
Village of Fairport - (NY)	NY	Municipal	74.8	0.57
Village of Freeport - (NY)	NY	Municipal	7.3	0.09
Village of Muscoda - (WI)	WI	Municipal	54.7	0.20
Village of Waunakee - (WI)	WI	Municipal	104.1	0.69
Virginia Electric & Power Co	NC	IOU	141.1	1.18
Virginia Tech Electric Service	VA	State	33.3	0.30
Volunteer Electric Coop	TN	Cooperative	1056.7	6.37
Wake Electric Membership Corp	NC	Cooperative	277.7	2.37
Walton Electric Member Corp	GA	Cooperative	233.6	2.17
Warren Rural Elec Coop Corp	KY	Cooperative	1030.8	3.12
Washington Elec Member Corp	GA	Cooperative	715.9	-
Washington-St Tammany E C, Inc	LA	Cooperative	403.0	3.55
Watertown Municipal Utilities	SD	Municipal	7.4	0.10
Waupun Utilities	WI	Municipal	10.0	0.11
Weakley County Mun Elec Sys	TN	Municipal	354.4	13.40
Weatherford Mun Utility System	TX	Municipal	99.0	0.86
Webster Electric Coop	MO	Cooperative	167.0	1.20
Wellsborough Electric Co	PA	IOU	539.0	3.73
West Central Electric Coop Inc - (MO)	MO	Cooperative	145.5	1.10
West Florida El Coop Assn, Inc	FL	Cooperative	396.6	3.42
West Kentucky Rural E C C	KY	Cooperative	645.6	2.86
West Penn Power Company	PA	IOU	420.0	1.41
West River Electric Assn Inc	SD	Cooperative	38.1	0.46
Western Indiana Energy REMC	IN	Cooperative	1920.7	3.41
Wheatland Electric Coop, Inc	KS	Cooperative	357.3	1.26
Wheeling Power Co	WV	IOU	777.3	2.25
White River Electric Assn, Inc	CO	Cooperative	68.7	0.62

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