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Electricity explained Electricity generation, capacity, and sales in the United States

Largest U.S. electricity generation facilities (power plants) by annual net electricity generation (2021)
Rank Facility name Primary fuel/energy source State Net generation
(megawatthours)
1 Palo Verde Nuclear Arizona 31,629,862
2 Browns Ferry Nuclear Alabama 31,053,552
3 Peach Bottom Nuclear Pennsylvania 22,268,244
4 Oconee Nuclear South Carolina 22,206,463
5 South Texas Project Nuclear Texas 20,855,004
6 James H. Miller Jr. Natural gas, coal Alabama 20,528,965
7 West County Energy Center Distillate fuel oil, natural gas Florida 20,327,004
8 Byron Generating Station Nuclear Illinois 19,969,652
9 Talen Energy Susquehanna Nuclear Pennsylvania 19,943,546
10 Vogtle Nuclear Georgia 19,786,908
Source: Form EIA-923 database; final data for 2021
Largest U.S. electricity generation facilities (power plants) by electricity generating capacity (2021)
Rank Facility name Primary fuel/energy source State Summer capacity
(megawatts)
1 Grand Coulee Hydroelectric Washington 7,079
2 Palo Verde Nuclear Arizona 3,937
4 West County Energy Center Natural gas Florida 3,777
3 W.A. Parish Natural gas, coal Texas 3,690
5 Browns Ferry Nuclear Alabama 3,662
6 Scherer Coal Georgia 3,440
7 Bowen Coal Georgia 3,200
8 Gibson Coal Indiana 3,132
9 Monroe Coal, petroleum Michigan 3,080
10 Crystal River Coal, natural gas Florida 3,020
Source: Form EIA-860 database, final data for 2020

Last updated: October 24, 2022 with most recent data available at the time of update.