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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.1.B. Relative Standard Error (Percent) for Net Generation by Fuel Type:
Total (All Sectors) by Census Division and State, Year-to-Date through March 2026 (Continued)

Census Region and State Wind Geothermal Biomass Solar Thermal and Photovoltaic Other Renewables Hydroelectric Pumped Storage Other Energy Sources All Energy Sources
New England 0 0 0 4 3 0 0 1
Connecticut 0 0 0 9 11 0 0 1
Maine 0 0 0 8 5 0 0 6
Massachusetts 0 0 0 6 3 0 0 4
New Hampshire 0 0 0 123 17 0 0 2
Rhode Island 0 0 0 10 8 0 0 11
Vermont 0 0 0 16 9 0 0 11
Middle Atlantic 0 0 0 3 2 0 1 1
New Jersey 0 0 0 7 5 0 0 1
New York 0 0 0 4 3 0 2 1
Pennsylvania 0 0 0 6 4 0 0 1
East North Central 0 0 0 1 1 0 3 1
Illinois 0 0 0 2 1 0 0 1
Indiana 0 0 0 1 1 0 0 1
Michigan 0 0 0 3 2 0 12 1
Ohio 0 0 0 1 1 0 0 1
Wisconsin 0 0 0 2 3 0 44 2
West North Central 0 0 0 2 1 0 9 1
Iowa 0 0 0 3 1 0 0 2
Kansas 0 0 0 7 2 0 0 4
Minnesota 0 0 0 4 2 0 7 3
Missouri 0 0 0 1 1 0 0 3
Nebraska 0 0 0 14 2 0 0 3
North Dakota 0 0 0 0 3 0 68 3
South Dakota 0 0 0 4 1 0 0 5
South Atlantic 0 0 0 1 1 0 0 0.42
Delaware 0 0 0 16 15 0 0 9
District of Columbia 0 0 0 44 22 0 0 22
Florida 0 0 0 0.20 1 0 0 1
Georgia 0 0 0 1 2 0 0 1
Maryland 0 0 0 6 3 0 0 1
North Carolina 0 0 0 2 2 0 0 1
South Carolina 0 0 0 2 3 0 0 1
Virginia 0 0 0 2 3 0 0 1
West Virginia 0 0 0 15 2 0 0 2
East South Central 0 0 0 1 2 0 0 1
Alabama 0 0 0 2 5 0 0 1
Kentucky 0 0 0 1 4 0 0 1
Mississippi 0 0 0 1 2 0 0 2
Tennessee 0 0 0 4 3 0 0 1
West South Central 0 0 0 0.19 1 0 1 1
Arkansas 0 0 0 1 2 0 0 3
Louisiana 0 0 0 1 4 0 10 1
Oklahoma 0 0 0 1 1 0 0 2
Texas 0 0 0 0.19 1 0 0.31 1
Mountain 0 11 0 0.47 1 0 0.27 1
Arizona 0 0 0 1 1 0 0 1
Colorado 0 0 0 2 2 0 0 2
Idaho 0 59 0 2 5 0 0 9
Montana 0 0 0 3 2 0 0 6
Nevada 0 11 0 1 3 0 0 1
New Mexico 0 0 0 1 1 0 0 2
Utah 0 29 0 1 2 0 7 1
Wyoming 0 0 0 0 2 0 0 3
Pacific Contiguous 0 6 0 1 1 0 0.16 1
California 0 6 0 1 1 0 0.17 1
Oregon 0 40 0 4 3 0 0 3
Washington 0 0 0 3 3 0 0 2
Pacific Noncontiguous 0 39 0 6 9 0 0 7
Alaska 0 0 0 91 29 0 0 17
Hawaii 0 39 0 6 9 0 0 2
U.S. Total 0 7 0 0.30 0.41 0 0.23 0.33