US Electric Providers, Ranked by Reliability
165 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
- 1PGE123,945 out · 30 co
- 2Duke Energy9,451 out · 93 co
- 3JERSEY CENTRAL POWER & LT CO8,513 out · 10 co
- 4PENNSYLVANIA ELECTRIC CO6,954 out · 19 co
- 5AVANGRID6,473 out · 6 co
- 6NATIONAL GRID3,749 out · 15 co
- 7OHIO EDISON CO2,960 out · 10 co
- 8CENTERPOINT ENERGY2,083 out · 7 co
- 9DUQUESNE LIGHT CO1,854 out · 2 co
- 10SCE1,848 out · 9 co
- 11Dominion Energy1,781 out · 13 co
- 12METROPOLITAN EDISON CO1,622 out · 9 co
Least reliable providers
Longest average outage per customer (SAIDI)
Most reliable providers
Shortest average outage per customer (SAIDI)
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 Energy203 co · —Dominion Energy95 co · —Alliant Energy (Interstate Power & Light)91 co · —PACIFICORP80 co · —EVERGY METRO72 co · —Evergy72 co · —Appalachian Power60 co · —MIDAMERICAN ENERGY CO51 co · —CONSUMERS ENERGY CO49 co · —PGE46 co · —AVANGRID42 co · —Oklahoma Gas & Electric42 co · —NATIONAL GRID36 co · —MONONGAHELA POWER CO34 co · —Kentucky (statewide)32 co · —PENNSYLVANIA ELECTRIC CO31 co · —OHIO EDISON CO30 co · —GREAT LAKES ENERGY COOP20 co · —WEST PENN POWER COMPANY18 co · —Avista Corp,avista17 co · —ENERGYUNITED ELEC MEMBER CORP16 co · —METROPOLITAN EDISON CO14 co · —THE POTOMAC EDISON COMPANY14 co · —EAST CENTRAL ENERGY13 co · —JERSEY CENTRAL POWER & LT CO13 co · —NATIONAL GRID12 co · —CENTERPOINT ENERGY12 co · —SCE11 co · —Eversource - Eastern MA11 co · —MIDDLE TENNESSEE E M C10 co · —
Browse providers by state
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
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.