Least Reliable US Electric Utilities
City of Milan - (TN) has the longest average outage duration among large US electric utilities, with customers losing power for about 208.9 hrs per year (SAIDI, from official EIA Form 861 data, including major storm days). The full ranking of the least reliable utilities that serve three or more counties is below.
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| # | Utility | State | Live feed | SAIDI (hrs/yr) | SAIFI (/yr) | Counties |
|---|---|---|---|---|---|---|
| 1 | City of Milan - (TN) | TN | No live feed | 208.9 hrs | 1.2 | 3 |
| 2 | Great Lakes Energy Coop | MI | Live · total only | 73.3 hrs | 4.1 | 26 |
| 3 | Black River Electric Coop - (MO) | MO | Live · total only | 48.5 hrs | - | 9 |
| 4 | Southwest Mississippi E P A | MS | Live · total only | 45.6 hrs | - | 9 |
| 5 | Norris Public Power District | NE | Live · total only | 42.4 hrs | 3.1 | 6 |
| 6 | Black Hills Electric Coop, Inc | SD | Live · total only | 41.4 hrs | 3.4 | 6 |
| 7 | Grayson Rural Electric Coop Corp | KY | Live · total only | 39.8 hrs | 16.9 | 6 |
| 8 | Kiamichi Electric Coop, Inc | OK | Live · total only | 38.7 hrs | 4.6 | 5 |
| 9 | Southeastern IL Elec Coop, Inc | IL | Live · total only | 36.9 hrs | 3.9 | 10 |
| 10 | Southside Electric Coop, Inc | VA | Live · total only | 35.4 hrs | 4.4 | 18 |
| 11 | Delta Electric Power Assn | MS | No live feed | 32.4 hrs | 5.8 | 13 |
| 12 | Big Sandy Rural Elec Coop Corp | KY | No live feed | 31.6 hrs | 5.8 | 8 |
| 13 | Washington Elec Member Corp | GA | Live · total only | 29.8 hrs | - | 10 |
| 14 | Citizens Electric Corporation - (MO) | MO | Live · total only | 28.1 hrs | 3.9 | 6 |
| 15 | South Kentucky Rural E C C | KY | Live · total only | 22.8 hrs | 3.0 | 13 |
| 16 | Corn Belt Energy Corporation | IL | Live · total only | 22.7 hrs | 7.7 | 18 |
| 17 | Upshur Rural Elec Coop Corp | TX | Live · total only | 22.2 hrs | 5.6 | 10 |
| 18 | Missoula Electric Coop, Inc | MT | Live · total only | 22.1 hrs | 2.4 | 7 |
| 19 | Southeast Colorado Power Assn | CO | No live feed | 21.5 hrs | - | 11 |
| 20 | Magnolia Electric Power Assn | MS | Live · total only | 21.0 hrs | - | 7 |
| 21 | Monongahela Power Co | WV | Live · total only | 20.8 hrs | 3.7 | 34 |
| 22 | Upper Michigan Energy Resources Corp. | MI | Live · total only | 20.8 hrs | 2.5 | 10 |
| 23 | South Central Indiana REMC | IN | Outages only | 19.9 hrs | 4.0 | 7 |
| 24 | Tri-County Electric Coop (MI) | MI | Live · total only | 19.2 hrs | 1.8 | 13 |
| 25 | Alger-Delta Coop Electric Assn | MI | Live · total only | 19.2 hrs | 3.1 | 6 |
| 26 | Jasper-Newton Elec Coop, Inc | TX | Live · total only | 19.1 hrs | 7.2 | 5 |
| 27 | Deep East Texas Elec Coop Inc | TX | Live · total only | 18.6 hrs | - | 9 |
| 28 | Appalachian Power Co | VA | Live · total only | 18.0 hrs | 2.6 | 59 |
| 29 | PUD No 1 of Grays Harbor County | WA | Live · total only | 17.3 hrs | 2.8 | 5 |
| 30 | Cloverland Electric Co-op | MI | Live · total only | 17.0 hrs | 4.4 | 5 |
| 31 | Buckeye Rural Elec Coop, Inc | OH | Live · total only | 16.6 hrs | 3.2 | 9 |
| 32 | Eastern Maine Electric Coop | ME | Live · total only | 16.5 hrs | 7.2 | 3 |
| 33 | Midwest Energy Cooperative - (MI) | MI | Live · total only | 16.5 hrs | 2.1 | 12 |
| 34 | Southern Indiana Gas & Elec Co | IN | Live · total only | 15.8 hrs | 1.6 | 7 |
| 35 | Wood County Electric Coop, Inc | TX | Live · total only | 15.6 hrs | 4.3 | 9 |
| 36 | Clark Energy Coop Inc - (KY) | KY | No live feed | 15.3 hrs | 3.5 | 11 |
| 37 | Jackson Energy Coop Corp - (KY) | KY | Live · total only | 15.3 hrs | 3.4 | 15 |
| 38 | Kentucky Power Co | KY | Live · total only | 15.2 hrs | 2.6 | 20 |
| 39 | Cumberland Valley Electric, Inc. | KY | Live · total only | 15.2 hrs | 4.2 | 11 |
| 40 | Garkane Energy Coop, Inc | UT | No live feed | 15.0 hrs | - | 9 |
| 41 | Southern Indiana R E C, Inc | IN | Live · total only | 14.9 hrs | 3.0 | 4 |
| 42 | Flathead Electric Coop Inc | MT | Live · total only | 14.8 hrs | 2.3 | 6 |
| 43 | Cherokee County Elec Coop Assn - (TX) | TX | Live · total only | 14.0 hrs | 5.4 | 4 |
| 44 | Carroll-White REMC | IN | Live · total only | 14.0 hrs | - | 9 |
| 45 | Consumers Energy Co - (MI) | MI | Outages only | 13.7 hrs | 1.4 | 60 |
| 46 | Central Virginia Electric Coop | VA | Live · total only | 13.3 hrs | 5.0 | 14 |
| 47 | City of LaFollette | TN | No live feed | 13.2 hrs | 5.1 | 3 |
| 48 | Cullman Electric Coop, Inc | AL | Live · total only | 13.0 hrs | 3.4 | 4 |
| 49 | Haywood Electric Member Corp | NC | Live · total only | 12.9 hrs | 5.1 | 8 |
| 50 | Southern Rivers Energy | GA | Live · total only | 12.9 hrs | 3.6 | 9 |
| 51 | Egyptian Electric Coop Assn | IL | Live · total only | 12.9 hrs | 4.6 | 10 |
| 52 | Utilities Dist-Western IN REMC | IN | Live · total only | 12.7 hrs | 3.4 | 14 |
| 53 | North Arkansas Elec Coop, Inc | AR | Live · total only | 12.3 hrs | 2.6 | 7 |
| 54 | Consumers Power, Inc | OR | Live · total only | 12.3 hrs | 2.6 | 6 |
| 55 | Amicalola Electric Member Corp | GA | Live · total only | 12.1 hrs | 3.8 | 10 |
| 56 | Ozarks Electric Coop Corp - (AR) | AR | Live · total only | 12.1 hrs | 1.8 | 9 |
| 57 | Mecklenburg Electric Cooperative | VA | Live · total only | 12.0 hrs | 2.8 | 14 |
| 58 | Intercounty Electric Coop Assn - (MO) | MO | Live · total only | 11.8 hrs | 3.1 | 9 |
| 59 | Wheeling Power Co | WV | Live · total only | 11.8 hrs | 2.3 | 4 |
| 60 | Y-W Electric Assn Inc | CO | No live feed | 11.7 hrs | - | 3 |
| 61 | Rural Electric Coop, Inc - (OK) | OK | Live · total only | 11.6 hrs | 4.5 | 6 |
| 62 | Guernsey-Muskingum El Coop Inc | OH | Live · total only | 11.6 hrs | 2.4 | 9 |
| 63 | Kenergy Corp | KY | Live · total only | 11.5 hrs | 3.3 | 14 |
| 64 | PUD No 1 of Lewis County - (WA) | WA | Live · total only | 11.0 hrs | 3.7 | 6 |
| 65 | Southern Pine Electric Cooperative | MS | Live · total only | 10.8 hrs | 5.5 | 15 |
| 66 | FirstEnergy Pennsylvania Electric Co | PA | Live · total only | 10.8 hrs | 2.0 | 58 |
| 67 | First Electric Coop Corp | AR | Live · total only | 10.8 hrs | 2.5 | 17 |
| 68 | Entergy Mississippi LLC | MS | Live · total only | 10.7 hrs | 2.6 | 46 |
| 69 | Wisconsin Public Service Corp | WI | Live · total only | 10.5 hrs | 1.4 | 23 |
| 70 | Daviess Martin County R E M C | IN | Live · total only | 10.3 hrs | 1.8 | 7 |
| 71 | Liberty Utilities | CA | Live · total only | 10.2 hrs | 3.1 | 7 |
| 72 | Union Electric Co - (MO) | MO | Live · total only | 9.9 hrs | 1.2 | 65 |
| 73 | Rusk County Electric Coop, Inc | TX | Live · total only | 9.8 hrs | - | 5 |
| 74 | Midwest Energy Inc - (KS) | KS | Live · total only | 9.7 hrs | 2.7 | 34 |
| 75 | Puget Sound Energy Inc | WA | Live · total only | 9.7 hrs | 1.6 | 8 |
| 76 | Powder River Energy Corp | WY | Live · total only | 9.5 hrs | 3.5 | 8 |
| 77 | Navasota Valley Elec Coop, Inc | TX | Live · total only | 9.5 hrs | 4.4 | 9 |
| 78 | Tallapoosa River Elec Coop Inc | AL | Live · total only | 9.4 hrs | 3.1 | 8 |
| 79 | Jemez Mountains Elec Coop, Inc | NM | No live feed | 9.4 hrs | 3.8 | 5 |
| 80 | Omaha Public Power District | NE | No live feed | 9.3 hrs | 1.6 | 15 |
| 81 | Cotton Electric Coop, Inc | OK | Live · total only | 9.2 hrs | 4.0 | 8 |
| 82 | Southern California Edison Co | CA | Live · total only | 9.1 hrs | 1.4 | 18 |
| 83 | Bartholomew County Rural E M C | IN | No live feed | 9.1 hrs | 2.4 | 4 |
| 84 | Blue Ridge Elec Member Corp - (NC) | NC | Live · total only | 9.0 hrs | 2.2 | 7 |
| 85 | Inland Power & Light Company | WA | Live · total only | 8.9 hrs | 2.5 | 13 |
| 86 | Otter Tail Power Co | ND | Live · total only | 8.9 hrs | 1.9 | 75 |
| 87 | Northern Indiana Pub Serv Co | IN | Live · total only | 8.9 hrs | 1.3 | 23 |
| 88 | Fort Loudoun Electric Coop | TN | Live · total only | 8.8 hrs | 2.8 | 5 |
| 89 | Tri-County Elec Member Corp (TN) | KY | Live · total only | 8.8 hrs | 3.9 | 16 |
| 90 | Black Hills Power, Inc. | SD | Live · total only | 8.8 hrs | 2.2 | 11 |
| 91 | Blue Ridge Mountain EMC - (GA) | GA | Live · total only | 8.6 hrs | 3.7 | 7 |
| 92 | Entergy Arkansas LLC | AR | Live · total only | 8.6 hrs | 2.2 | 71 |
| 93 | Diverse Power Incorporated | GA | Live · total only | 8.6 hrs | 2.2 | 15 |
| 94 | Central Lincoln People's Ut Dt | OR | Live · total only | 8.6 hrs | 1.9 | 4 |
| 95 | Deaf Smith Electric Coop, Inc | TX | Live · total only | 8.6 hrs | 2.4 | 5 |
| 96 | Salt River Electric Coop Corp | KY | Live · total only | 8.5 hrs | 2.3 | 10 |
| 97 | Newberry Electric Coop, Inc | SC | No live feed | 8.5 hrs | 3.2 | 4 |
| 98 | Washington-St Tammany E C, Inc | LA | Live · total only | 8.5 hrs | 5.2 | 3 |
| 99 | Piedmont Electric Member Corp | NC | Outages only | 8.4 hrs | 1.8 | 7 |
| 100 | Versant Power | ME | Live · total only | 8.3 hrs | 2.4 | 6 |
Rankings use IEEE-standard SAIDI (with major event days) from the US EIA Form 861, limited to utilities serving 3+ counties so one storm can't swing a tiny co-op to the top. See the full provider reliability hub or our methodology.