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US Electric Providers, Ranked by Reliability

169 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. 1PGE3,857 out · 39 co
  2. 2SCE2,771 out · 8 co
  3. 3Oncor Electric Delivery2,391 out · 0 co
  4. 4Georgia Power2,371 out · 0 co
  5. 5PACIFICORP2,021 out · 28 co
  6. 6DIXIE ELECTRIC MEMBERSHIP CORP1,663 out · 4 co
  7. 7Appalachian Power1,502 out · 22 co
  8. 8AEP Ohio1,175 out · 0 co
  9. 9Duke Energy971 out · 46 co
  10. 10Kentucky (statewide)819 out · 32 co
  11. 11Dominion Energy810 out · 27 co
  12. 12CENTRAL HUDSON GAS & ELEC CORP773 out · 4 co

Least reliable providers

Longest average outage per customer (SAIDI)

    Most reliable providers

    Shortest average outage per customer (SAIDI)

      Full ranking: most reliable utilities →Full ranking: least reliable utilities →

      Most frequent outages

      Most interruptions per customer per year (SAIFI)

        Slowest to restore power

        Longest average time to fix each outage (CAIDI)

          Largest providers by coverage

          Duke Energy216 co · —Alliant Energy (Interstate Power & Light)113 co · —Dominion Energy108 co · —PACIFICORP86 co · —EVERGY METRO86 co · —Evergy83 co · —Appalachian Power67 co · —MIDAMERICAN ENERGY CO63 co · —CONSUMERS ENERGY CO59 co · —Oklahoma Gas & Electric50 co · —PGE47 co · —AVANGRID46 co · —NATIONAL GRID37 co · —OHIO EDISON CO34 co · —MONONGAHELA POWER CO34 co · —PENNSYLVANIA ELECTRIC CO33 co · —Kentucky (statewide)32 co · —GREAT LAKES ENERGY COOP26 co · —WEST PENN POWER COMPANY22 co · —Avista Corp,avista20 co · —ENERGYUNITED ELEC MEMBER CORP19 co · —THE POTOMAC EDISON COMPANY14 co · —METROPOLITAN EDISON CO14 co · —SCE14 co · —EAST CENTRAL ENERGY14 co · —JERSEY CENTRAL POWER & LT CO13 co · —NATIONAL GRID12 co · —CENTERPOINT ENERGY12 co · —MIDDLE TENNESSEE E M C12 co · —Eversource - Eastern MA11 co · —

          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.