US power outage hours, electricity prices, and solar yield by state

Across all 50 states and the District of Columbia in 2025, West Virginia recorded the longest average annual outage duration (16.9 hours including major events), while Hawaii recorded the highest residential electricity rate (47.18 ¢/kWh in August 2026). Click any column header below to sort all 51 jurisdictions, or select a state for its calculated backup battery size.

All 50 US states and District of Columbia ranked by annual outage duration, outage frequency, residential electricity price, and December solar yield

West Virginia (Charleston)	16.9 h	3.08	687 Wh	16.31 ¢/kWh	2.23 kWh
Michigan (Detroit)	11.2 h	1.42	985 Wh	22.99 ¢/kWh	1.80 kWh
Nebraska (Omaha)	9.1 h	1.32	866 Wh	13.54 ¢/kWh	2.76 kWh
Alaska (Anchorage)	9.0 h	3.20	353 Wh	29.41 ¢/kWh	0.47 kWh
Mississippi (Jackson)	8.4 h	2.59	403 Wh	14.43 ¢/kWh	3.22 kWh
Arkansas (Little Rock)	7.7 h	2.13	455 Wh	14.37 ¢/kWh	3.19 kWh
Missouri (Kansas City)	7.6 h	1.36	699 Wh	16.02 ¢/kWh	2.97 kWh
Pennsylvania (Philadelphia)	7.6 h	1.41	679 Wh	21.77 ¢/kWh	2.94 kWh
Virginia (Virginia Beach)	7.4 h	1.95	477 Wh	17.64 ¢/kWh	2.81 kWh
Kentucky (Louisville)	6.8 h	1.92	445 Wh	13.80 ¢/kWh	2.37 kWh
Alabama (Huntsville)	6.2 h	2.01	386 Wh	16.33 ¢/kWh	2.96 kWh
Indiana (Indianapolis)	6.2 h	1.39	562 Wh	17.02 ¢/kWh	2.22 kWh
Washington (Seattle)	6.2 h	1.41	551 Wh	14.63 ¢/kWh	1.51 kWh
Maine (Portland)	6.1 h	2.24	339 Wh	32.11 ¢/kWh	2.31 kWh
California (Los Angeles)	5.7 h	1.28	561 Wh	29.75 ¢/kWh	3.88 kWh
Idaho (Boise)	5.1 h	1.16	552 Wh	13.37 ¢/kWh	2.25 kWh
Oregon (Portland)	5.0 h	1.12	553 Wh	15.92 ¢/kWh	1.61 kWh
Montana (Billings)	4.8 h	1.36	443 Wh	15.57 ¢/kWh	2.40 kWh
Oklahoma (Oklahoma City)	4.8 h	1.82	328 Wh	14.82 ¢/kWh	3.49 kWh
Hawaii (Honolulu)	4.7 h	2.02	291 Wh	47.18 ¢/kWh	4.52 kWh
Colorado (Denver)	4.5 h	1.28	440 Wh	17.17 ¢/kWh	3.74 kWh
Georgia (Atlanta)	4.5 h	1.85	303 Wh	15.90 ¢/kWh	3.21 kWh
Louisiana (New Orleans)	4.5 h	2.32	242 Wh	12.87 ¢/kWh	3.29 kWh
South Dakota (Sioux Falls)	4.5 h	1.33	420 Wh	15.15 ¢/kWh	2.67 kWh
Vermont (Burlington)	4.4 h	1.70	324 Wh	23.84 ¢/kWh	1.70 kWh
New Hampshire (Manchester)	3.9 h	1.45	334 Wh	27.64 ¢/kWh	2.45 kWh
Tennessee (Nashville)	3.8 h	1.64	291 Wh	13.42 ¢/kWh	2.69 kWh
Wisconsin (Milwaukee)	3.8 h	0.94	511 Wh	19.41 ¢/kWh	1.95 kWh
Texas (Houston)	3.7 h	1.70	274 Wh	15.91 ¢/kWh	3.21 kWh
Wyoming (Cheyenne)	3.7 h	1.51	309 Wh	14.43 ¢/kWh	3.25 kWh
North Dakota (Fargo)	3.4 h	1.14	372 Wh	13.31 ¢/kWh	2.25 kWh
Ohio (Columbus)	3.4 h	1.27	336 Wh	19.38 ¢/kWh	1.96 kWh
Kansas (Wichita)	3.3 h	1.32	310 Wh	15.47 ¢/kWh	3.40 kWh
North Carolina (Charlotte)	3.2 h	1.38	291 Wh	14.95 ¢/kWh	3.27 kWh
Connecticut (Bridgeport)	3.1 h	0.93	414 Wh	24.51 ¢/kWh	2.20 kWh
Maryland (Baltimore)	3.0 h	0.96	389 Wh	21.40 ¢/kWh	2.62 kWh
Minnesota (Minneapolis)	3.0 h	1.18	324 Wh	17.20 ¢/kWh	2.20 kWh
Rhode Island (Providence)	3.0 h	0.96	398 Wh	28.18 ¢/kWh	2.33 kWh
New Mexico (Albuquerque)	2.9 h	1.29	278 Wh	16.51 ¢/kWh	4.34 kWh
New Jersey (Newark)	2.6 h	1.12	288 Wh	24.61 ¢/kWh	2.46 kWh
Iowa (Des Moines)	2.5 h	1.03	307 Wh	17.06 ¢/kWh	2.65 kWh
South Carolina (Charleston)	2.5 h	1.25	252 Wh	15.76 ¢/kWh	3.18 kWh
Illinois (Chicago)	2.4 h	0.87	346 Wh	19.32 ¢/kWh	2.38 kWh
Nevada (Las Vegas)	2.1 h	1.13	237 Wh	12.72 ¢/kWh	4.13 kWh
Massachusetts (Boston)	2.0 h	0.91	279 Wh	30.48 ¢/kWh	2.45 kWh
New York (New York)	2.0 h	0.80	320 Wh	28.65 ¢/kWh	2.59 kWh
Utah (Salt Lake City)	2.0 h	0.88	278 Wh	13.31 ¢/kWh	2.89 kWh
Delaware (Wilmington)	1.7 h	0.93	230 Wh	18.70 ¢/kWh	2.64 kWh
Arizona (Phoenix)	1.2 h	0.89	164 Wh	15.05 ¢/kWh	4.36 kWh
Florida (Jacksonville)	1.2 h	0.86	172 Wh	14.99 ¢/kWh	3.44 kWh
District of Columbia (Washington)	0.8 h	0.32	324 Wh	25.98 ¢/kWh	2.86 kWh

Primary public data sources

Outage duration and frequency: U.S. Energy Information Administration (EIA) Electric Power Annual, Table 11.3 (Form EIA-861 distribution system SAIDI and SAIFI metrics with and without major event days).
Residential electricity prices: U.S. EIA Electric Power Monthly, Table 5.6.A (average retail price of electricity to residential customers by state, cents per kWh).
Solar production by reference city: NREL PVWatts V8 (1 kW DC fixed open-rack array tilted at latitude, 180-degree south azimuth, 14% system losses, evaluated at each state's most populous city from the U.S. Census Gazetteer).