massoutage

US Electric Providers, Ranked by Reliability

2,949 utilities ranked by official US EIA reliability data. SAIDI is the average time a customer is without power per year (lower is better), including major storm days.

Providers with the most customers out now

  1. 1Florida Power & Light CoLive · total only24,277 out · 21 co
  2. 2EnergyUnited Elec Member CorpLive · total only19,487 out · 5 co
  3. 3Duke Energy Carolinas, LLCLive · total only5,659 out · 18 co
  4. 4BARC Electric Coop IncLive · total only5,348 out · 4 co
  5. 5Evergy Missouri WestLive · total only4,276 out · 5 co
  6. 6Oncor Electric Delivery Company LLCLive · total only4,183 out · 31 co
  7. 7Pacific Gas & Electric Co.Live · total only3,904 out · 26 co
  8. 8Duke Energy Ohio IncLive · total only3,640 out · 3 co
  9. 9Randolph Electric Member CorpLive · total only1,821 out · 4 co
  10. 10San Diego Gas & Electric CoLive · total only1,404 out · 0 co
  11. 11Baltimore Gas & Electric CoLive · total only1,226 out · 5 co
  12. 12DTE Electric CompanyLive · total only1,217 out · 0 co

Least reliable providers

Longest average outage per customer (SAIDI)

  1. 1City of Milan - (TN)TNNo live feed208.9 hrs
  2. 2Great Lakes Energy CoopMILive · total only73.3 hrs
  3. 3Black River Electric Coop - (MO)MOLive · total only48.5 hrs
  4. 4Southwest Mississippi E P AMSLive · total only45.6 hrs
  5. 5Norris Public Power DistrictNELive · total only42.4 hrs
  6. 6Black Hills Electric Coop, IncSDLive · total only41.4 hrs
  7. 7Grayson Rural Electric Coop CorpKYLive · total only39.8 hrs
  8. 8Kiamichi Electric Coop, IncOKLive · total only38.7 hrs
  9. 9Southeastern IL Elec Coop, IncILLive · total only36.9 hrs
  10. 10Southside Electric Coop, IncVALive · total only35.4 hrs
  11. 11Delta Electric Power AssnMSNo live feed32.4 hrs
  12. 12Big Sandy Rural Elec Coop CorpKYNo live feed31.6 hrs
  13. 13Washington Elec Member CorpGALive · total only29.8 hrs
  14. 14Citizens Electric Corporation - (MO)MOLive · total only28.1 hrs
  15. 15South Kentucky Rural E C CKYLive · total only22.8 hrs

Most reliable providers

Shortest average outage per customer (SAIDI)

  1. 1East Mississippi Elec Pwr AssnMSNo live feed6 min
  2. 2Fall River Rural Elec Coop IncIDLive · total only8 min
  3. 3City of Marshfield - (WI)WINo live feed13 min
  4. 4City of Elk RiverMNNo live feed19 min
  5. 5West River Electric Assn IncSDLive · total only24 min
  6. 6Bristol Virginia UtilitiesVANo live feed25 min
  7. 7Dakota Electric AssociationMNOutages only29 min
  8. 8Rock Energy CooperativeILLive · total only33 min
  9. 9Brunswick Electric Member CorpNCLive · total only41 min
  10. 10Verendrye Electric Coop IncNDLive · total only42 min
  11. 11South Carolina Public Service AuthoritySCLive · total only43 min
  12. 12Woodruff Electric Coop CorpARLive · total only45 min
  13. 13Wright-Hennepin Coop Elec AssnMNLive · total only45 min
  14. 14Florida Power & Light CoFLLive · total only47 min
  15. 15Cobb Electric Membership CorpGALive · total only48 min
Full ranking: most reliable utilities →Full ranking: least reliable utilities →

Most frequent outages

Most interruptions per customer per year (SAIFI)

  1. 1Grayson Rural Electric Coop CorpKYLive · total only16.9/yr
  2. 2Corn Belt Energy CorporationILLive · total only7.7/yr
  3. 3Eastern Maine Electric CoopMELive · total only7.2/yr
  4. 4Jasper-Newton Elec Coop, IncTXLive · total only7.2/yr
  5. 5Kankakee Valley Rural E M CINLive · total only6.5/yr
  6. 6Big Sandy Rural Elec Coop CorpKYNo live feed5.8/yr
  7. 7Delta Electric Power AssnMSNo live feed5.8/yr
  8. 8Upshur Rural Elec Coop CorpTXLive · total only5.6/yr
  9. 9Southern Pine Electric CooperativeMSLive · total only5.5/yr
  10. 10Nodak Electric Coop IncNDLive · total only5.4/yr
  11. 11Cherokee County Elec Coop Assn - (TX)TXLive · total only5.4/yr
  12. 12Washington-St Tammany E C, IncLALive · total only5.2/yr
  13. 13City of LaFolletteTNNo live feed5.1/yr
  14. 14Haywood Electric Member CorpNCLive · total only5.1/yr
  15. 15Central Virginia Electric CoopVALive · total only5.0/yr

Slowest to restore power

Longest average time to fix each outage (CAIDI)

  1. 1City of Milan - (TN)TNNo live feed174.1 hrs
  2. 2Great Lakes Energy CoopMILive · total only17.9 hrs
  3. 3Norris Public Power DistrictNELive · total only13.6 hrs
  4. 4Black Hills Electric Coop, IncSDLive · total only12.2 hrs
  5. 5Tri-County Electric Coop (MI)MILive · total only10.6 hrs
  6. 6Southern Indiana Gas & Elec CoINLive · total only9.9 hrs
  7. 7Consumers Energy Co - (MI)MIOutages only9.7 hrs
  8. 8Southeastern IL Elec Coop, IncILLive · total only9.3 hrs
  9. 9Missoula Electric Coop, IncMTLive · total only9.2 hrs
  10. 10Kiamichi Electric Coop, IncOKLive · total only8.5 hrs
  11. 11Upper Michigan Energy Resources Corp.MILive · total only8.5 hrs
  12. 12Union Electric Co - (MO)MOLive · total only8.4 hrs
  13. 13Southside Electric Coop, IncVALive · total only8.0 hrs
  14. 14Midwest Energy Cooperative - (MI)MILive · total only8.0 hrs
  15. 15South Kentucky Rural E C CKYLive · total only7.6 hrs

Largest providers by coverage

WAPA-- Western Area Power AdministrationNo live feed276 co · -Georgia Power CoLive · total only156 co · 4.8 hrsVirginia Electric & Power CoLive · total only130 co · -Duke EnergyNo live feed125 co · -Oncor Electric Delivery Company LLCLive · total only99 co · -AmerenNo live feed93 co · -PacifiCorpOutages only91 co · 3.5 hrsInterstate Power and Light CoLive · total only84 co · -Bonneville Power AdministrationNo live feed83 co · -Alliant Energy (Interstate Power & Light)No live feed83 co · -Kentucky Utilities CoLive · total only83 co · 3.4 hrsAmeren Illinois CompanyLive · total only81 co · 4.8 hrsOtter Tail Power CoLive · total only75 co · 8.9 hrsEvergy MetroLive · total only73 co · 2.6 hrsEntergy Arkansas LLCLive · total only71 co · 8.6 hrsDuke Energy Indiana, LLCLive · total only71 co · 4.4 hrsDuke Energy Progress - (NC)Live · total only69 co · 2.9 hrsNorthern States Power Co - MinnesotaLive · total only68 co · 3.6 hrsEvergy Kansas Central, IncLive · total only66 co · 2.1 hrsUnion Electric Co - (MO)Live · total only65 co · 9.9 hrsOklahoma Gas & Electric CoLive · total only65 co · -Duke Energy Carolinas, LLCLive · total only63 co · 3.6 hrsMidAmerican Energy CoLive · total only62 co · 3.6 hrsOhio Power CoLive · total only61 co · 3.7 hrsEntergy Louisiana LLCLive · total only60 co · 4.2 hrsConsumers Energy Co - (MI)Outages only60 co · 13.7 hrsAlabama Power CoLive · total only59 co · -Appalachian Power CoLive · total only59 co · 18.0 hrsFirstEnergy Pennsylvania Electric CoLive · total only58 co · 10.8 hrsPublic Service Co of ColoradoLive · total only57 co · 6.0 hrs

Browse providers by state

Rankings use IEEE-standard SAIDI (with major event days) from the US EIA Form 861, limited to utilities serving 3+ counties. Storm-heavy years can dominate the “least reliable” list.

Data from EIA Form 861 (utility reliability), every source we read.