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
Cumberland Valley Electric, Inc.	KY	Cooperative	737.0	3.58
Custer Public Power District	NE	Municipal	89.4	0.80
Dakota Electric Association	MN	Cooperative	53.2	0.49
Dakota Valley Elec Coop Inc	ND	Cooperative	2339.4	2.73
Daviess Martin County R E M C	IN	Cooperative	242.3	1.60
Dawson Power District	NE	Municipal	158.5	-
Dayton Power & Light Co	OH	IOU	170.5	0.99
Deaf Smith Electric Coop, Inc	TX	Cooperative	380.0	2.40
Decatur County Rural E M C	IN	Cooperative	104.0	0.87
Decatur Utilities	AL	Municipal	66.4	0.94
Deep East Texas Elec Coop Inc	TX	Cooperative	797.6	-
Delaware Electric Cooperative	DE	Cooperative	83.1	1.29
Delmarva Power	DE	IOU	122.0	0.71
Delta Electric Power Assn	MS	Cooperative	1309.3	17.38
Denton County Elec Coop, Inc	TX	Cooperative	50.4	0.68
Diverse Power Incorporated	AL	Cooperative	2410.4	7.00
Dixie Electric Coop - (AL)	AL	Cooperative	291.4	1.70
Dixie Electric Membership Corp - (LA)	LA	Cooperative	276.8	4.22
Dixie Electric Power Assn - (MS)	MS	Cooperative	440.1	2.36
Dixie Escalante R E A, Inc	AZ	Cooperative	56.6	0.69
DOD USMC Marine Air Ground Combat	CA	Federal	136.1	-
Dominion Energy South Carolina, Inc	SC	IOU	117.5	1.48
DTE Electric Company	MI	IOU	1542.3	1.72
Dubois Rural Electric Coop Inc	IN	Cooperative	199.0	1.89
Duck River Elec Member Corp	TN	Cooperative	307.1	2.25
Duke Energy Carolinas, LLC	NC	IOU	342.7	1.61
Duke Energy Florida, LLC	FL	IOU	179.7	1.08
Duke Energy Indiana, LLC	IN	IOU	644.8	1.48
Duke Energy Kentucky	KY	IOU	138.2	0.74
Duke Energy Ohio Inc	OH	IOU	168.2	0.99
Duke Energy Progress - (NC)	NC	IOU	240.7	1.54
Dunn County Electric Coop	WI	Cooperative	105.1	0.84
Duquesne Light Co	PA	IOU	146.0	0.79
Easley Combined Utility System	SC	Municipal	104.9	1.33
East Central Energy	MN	Cooperative	82.1	0.79
East Central Oklahoma Elec Coop Inc	OK	Cooperative	364.4	2.06
East Mississippi Elec Pwr Assn	MS	Cooperative	521.4	4.33
East-Central Iowa Rural Elec Coop	IA	Cooperative	51.6	0.65
Eastern Illinois Elec Coop	IL	Cooperative	613.9	2.06
Eastern Iowa Light & Power Coop	IA	Cooperative	184.0	1.23
Eastern Maine Electric Coop	ME	Cooperative	4752.3	11.37
Easton Utilities Comm	MD	Municipal	59.7	0.36
Edgecombe-Martin County E M C	NC	Cooperative	201.4	1.26
Edisto Electric Coop, Inc	SC	Cooperative	453.3	-
Egyptian Electric Coop Assn	IL	Cooperative	262.3	-
El Paso Electric Co	NM	IOU	106.8	1.14
Electrical Dist No2 Pinal County	AZ	Municipal	177.7	-
Electrical Dist No3 Pinal County	AZ	Municipal	73.0	1.22
Elkhorn Rural Public Pwr Dist	NE	Municipal	155.9	0.62
Empire District Electric Co	AR	IOU	303.4	2.61

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