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Electric Power Monthly

Data for March 2026 Release Date: May 21, 2026 Next Release Date: June 24, 2026 Full report PDF
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Table A.2.B. Relative Standard Error (Percent) for Net Generation by Fuel Type:
Electric Utilities by Census Division and State, Year-to-Date through March 2026

Census Region and State Coal Petroleum Liquids Petroleum Coke Natural Gas Other Gases Nuclear Hydroelectric Conventional
New England 0 19 0 109 0 0 27
Connecticut 0 38 0 0 0 0 25
Maine 0 0 0 0 0 0 481
Massachusetts 0 19 0 141 0 0 51
New Hampshire 0 0 0 0 0 0 298
Rhode Island 0 0 0 0 0 0 0
Vermont 0 224 0 0 0 0 34
Middle Atlantic 0 42 0 6 0 0 1
New Jersey 0 0 0 211 0 0 0
New York 0 44 0 6 0 0 1
Pennsylvania 0 56 0 0 0 0 0
East North Central 0.32 19 0 3 0 0 18
Illinois 0 40 0 5 0 0 89
Indiana 0.41 8 0 5 0 0 39
Michigan 0 11 0 5 0 0 33
Ohio 3 29 0 5 0 0 45
Wisconsin 0 64 0 6 0 0 26
West North Central 3 17 0 11 0 0 12
Iowa 0 19 0 14 0 0 33
Kansas 17 38 0 23 0 0 0
Minnesota 0 137 0 20 0 0 47
Missouri 5 24 0 23 0 0 24
Nebraska 4 74 0 68 0 0 33
North Dakota 0 12 0 46 0 0 24
South Dakota 0 119 0 50 0 0 16
South Atlantic 0 18 0 1 0 0 11
Delaware 0 0 0 0 0 0 0
Florida 0 33 0 1 0 0 55
Georgia 0 50 0 3 0 0 16
Maryland 0 158 0 0.05 0 0 0
North Carolina 0 20 0 0.20 0 0 14
South Carolina 0 29 0 1 0 0 19
Virginia 0 119 0 3 0 0 23
West Virginia 0 0 0 0 0 0 29
East South Central 0 3 0 2 0 0 6
Alabama 0 323 0 4 0 0 8
Kentucky 0 2 0 5 0 0 10
Mississippi 0 464 0 3 0 0 0
Tennessee 0 0.32 0 1 0 0 9
West South Central 0 14 0 3 0 0 12
Arkansas 0 24 0 7 0 0 15
Louisiana 0 38 0 2 0 0 0
Oklahoma 0 5 0 5 0 0 20
Texas 0 25 0 5 0 0 27
Mountain 2 36 0 2 0 0 8
Arizona 0 50 0 4 0 0 9
Colorado 0 119 0 2 0 0 29
Idaho 0 0 0 48 0 0 13
Montana 0 941 0 42 0 0 12
Nevada 0 0 0 0 0 0 0
New Mexico 0 671 0 9 0 0 82
Utah 0 3 0 2 0 0 41
Wyoming 6 2 0 5 0 0 35
Pacific Contiguous 0 55 0 7 0 0 2
California 0 39 0 2 0 0 7
Oregon 0 89 0 20 0 0 4
Washington 0 97 0 21 0 0 1
Pacific Noncontiguous 37 1 0 50 0 0 29
Alaska 37 4 0 50 0 0 29
Hawaii 0 1 0 0 0 0 0
U.S. Total 1 2 0 1 0 0 3