Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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U.S. Power Plant Operators

5,522 companies operating electric power plants, largest by capacity first.

201.City of Colorado Springs - (CO)6 plants · 1,115.2 MW 202.AES Alamitos LLC1 plant · 1,115 MW 203.Moxie Freedom LLC1 plant · 1,105 MW 204.Boralex US Operations LLC13 plants · 1,103.2 MW 205.Kimura Power LLC6 plants · 1,100.1 MW 206.Tenaska Georgia Partners LP1 plant · 1,099.2 MW 207.Sunflower Electric Power Corp8 plants · 1,095 MW 208.Guadalupe Power Partners LP1 plant · 1,088.2 MW 209.Ohio Valley Electric Corp1 plant · 1,086.5 MW 210.Aurora Generation LLC1 plant · 1,086.2 MW 211.Dow Chemical Co1 plant · 1,084.8 MW 212.Hallador Power Company, LLC1 plant · 1,080 MW 213.USCE-Savannah District3 plants · 1,078.9 MW 214.Gemini Solar1 plant · 1,070 MW 215.Oregon Clean Energy Center1 plant · 1,061.5 MW 216.Dairyland Power Coop4 plants · 1,038.1 MW 217.Hickory Run Energy, LLC1 plant · 1,033.7 MW 218.Evergy Missouri West6 plants · 1,029.3 MW 219.Great Prairie Wind LLC1 plant · 1,027 MW 220.Austin Energy5 plants · 1,022.5 MW 221.Tenaska Virginia Partners LP1 plant · 1,011.4 MW 222.Copia Power3 plants · 1,005.7 MW 223.50LW 8me LLC1 plant · 1,000 MW 224.Oleander Holdings LLC 1 plant · 994.4 MW 225.Hays Energy, LLC1 plant · 989 MW 226.Broad River Energy LLC1 plant · 985 MW 227.Wolverine Power Supply Coop7 plants · 983.8 MW 228.Westlake 2 US LLC4 plants · 981.1 MW 229.Rolling Hills Generating LLC1 plant · 977.5 MW 230.Clean Energy Future - Trumbull, LLC.1 plant · 977.4 MW 231.EFS Cogen Holdings I LLC1 plant · 974.1 MW 232.ProEnergy Services2 plants · 968 MW 233.Clean Energy Future-Lordstown, LLC1 plant · 962 MW 234.City of Tallahassee - (FL)3 plants · 961.8 MW 235.MRP Generation Holdings, LLC1 plant · 960 MW 236.Arevon Energy, Inc.38 plants · 955 MW 237.USCE-Nashville District9 plants · 947.6 MW 238.Delta Energy Center LLC1 plant · 943.5 MW 239.Tenaska Frontier Partners Ltd1 plant · 939.7 MW 240.Tenaska Gateway Partners Ltd1 plant · 939.6 MW 241.Baytown Energy Center LLC1 plant · 932.9 MW 242.Strata Manager, LLC162 plants · 930.5 MW 243.Channel Energy Center LLC1 plant · 923.8 MW 244.Waterford Power, LLC1 plant · 921.6 MW 245.EIF Channelview Cogeneration LLC1 plant · 918.3 MW 246.City Utilities of Springfield - (MO)3 plants · 918.3 MW 247.Lincoln Operating Services, LLC2 plants · 914 MW 248.USCE-Little Rock District7 plants · 908.2 MW 249.Archer Daniels Midland Co7 plants · 902.9 MW 250.San Diego Gas & Electric Co17 plants · 902.8 MW 251.Decatur Energy Center LLC1 plant · 902.4 MW 252.Morgan Energy Center LLC1 plant · 900 MW 253.Hunterstown Generation, LLC1 plant · 898 MW 254.Occidental Chemical Corporation1 plant · 894.2 MW 255.GB II New York LLC1 plant · 893.1 MW 256.NRG Arthur Kill Operations Inc1 plant · 877.5 MW 257.Calpine Fore River Energy Center, LLC1 plant · 872.2 MW 258.Hamilton Liberty O&M LLC1 plant · 870 MW 259.Hamilton Operating Services, LLC1 plant · 870 MW 260.FPL Energy Wyman LLC1 plant · 862.7 MW 261.Mountain Creek Power, LLC1 plant · 852.2 MW 262.SunEdison LLC14 plants · 846.6 MW 263.Caithness Shepherds Flat LLC3 plants · 845 MW 264.North Carolina El Member Corp34 plants · 843.2 MW 265.CPV Towantic, LLC1 plant · 841.5 MW 266.Lake Road Generating Co LP1 plant · 840 MW 267.Marcus Hook Energy LP1 plant · 836.1 MW 268.Buckeye Power, Inc2 plants · 832.7 MW 269.Carroll County Energy LLC1 plant · 832.3 MW 270.PSEG Keys Energy Center, LLC1 plant · 830.6 MW 271.Marsh Landing LLC1 plant · 828 MW 272.City of Lakeland - (FL)3 plants · 827.7 MW 273.EDP Renewables North America LLC6 plants · 827.5 MW 274.CPV Fairview, LLC1 plant · 825 MW 275.CER Generation LLC1 plant · 822.8 MW 276.Wise County Power Company LLC1 plant · 821.7 MW 277.Red Oak Operating Services LLC1 plant · 821.1 MW 278.Northern California Power Agny7 plants · 817.6 MW 279.Pasadena Cogeneration LP1 plant · 815 MW 280.Potomac Energy Center LLC1 plant · 812 MW 281.Longview Power, LLC1 plant · 807.5 MW 282.Thad Hill Energy Center, LLC1 plant · 807 MW 283.Rayburn Energy Station LLC1 plant · 803.2 MW 284.Calpine Corp-Magic Valley1 plant · 801 MW 285.Platte River Power Authority1 plant · 800.4 MW 286.Vineyard Wind 1 LLC1 plant · 800 MW 287.Sentinel Energy Center LLC1 plant · 800 MW 288.Green River Energy Center, LLC1 plant · 800 MW 289.Salem Harbor Power Development LP1 plant · 798.2 MW 290.CAMS (Georgia) Washington County Power1 plant · 795.6 MW 291.Troy Energy LLC1 plant · 795.6 MW 292.Essential Power Operating Services LLC1 plant · 795.6 MW 293.Granite Ridge Energy LLC1 plant · 790 MW 294.PUD No 1 of Douglas County1 plant · 789.4 MW 295.Wolf Hollow I Power, LLC1 plant · 788.4 MW 296.Consolidated Edison Co-NY Inc6 plants · 785.4 MW 297.St Joseph Energy Center LLC1 plant · 780 MW 298.Calpine Corp - Pastoria Energy Center1 plant · 779 MW 299.Helix Ironwood LLC1 plant · 777.6 MW 300.CPV Maryland LLC1 plant · 775.3 MW 301.H.A. Wagner LLC1 plant · 773.7 MW 302.Woodbridge Energy Center1 plant · 772.9 MW 303.CPV Valley, LLC1 plant · 770.5 MW 304.South Houston Green Power LLC2 plants · 767.4 MW 305.Turlock Irrigation District10 plants · 766 MW 306.Imperial Irrigation District13 plants · 761.4 MW 307.West Deptford Energy LLC1 plant · 754.6 MW 308.Skeleton Creek Energy Center1 plant · 752 MW 309.Sonoran Solar Energy, LLC1 plant · 750 MW 310.Dearborn Industrial Gen Inc1 plant · 747.9 MW 311.Evergreen Wind, LLC25 plants · 747.2 MW 312.Altus Power America Management, LLC243 plants · 742.9 MW 313.MEC Holdings, LLC1 plant · 740.8 MW 314.Wellhead Services, Inc12 plants · 738.4 MW 315.FPL Energy Horse Hollow LLC1 plant · 735.5 MW 316.Hartree Partners LP1 plant · 735 MW 317.Minnkota Power Coop, Inc1 plant · 734 MW 318.TransAlta Centralia Gen LLC2 plants · 730.9 MW 319.Ontelaunee Energy Center1 plant · 728 MW 320.Vandolah Power Co LLC1 plant · 728 MW 321.LSP University Park LLC1 plant · 726 MW 322.City of Tacoma - (WA)7 plants · 724.8 MW 323.Magnolia Power Holdings LLC1 plant · 722.9 MW 324.NRG Energy Services - Plum Point1 plant · 720 MW 325.Ormat Nevada Inc22 plants · 719 MW 326.Fayette Power Company, LLC1 plant · 714.9 MW 327.Dynegy Washington Energy Facility1 plant · 714.9 MW 328.ExxonMobil Oil Corp2 plants · 714.7 MW 329.Arlington Valley LLC1 plant · 713 MW 330.Otay Mesa Energy Center LLC1 plant · 710.7 MW 331.South Point Energy Center LLC1 plant · 708 MW 332.Madison Gas & Electric Co19 plants · 707.9 MW 333.Kissimmee Utility Authority1 plant · 706 MW 334.NAES Corporation - (WA)1 plant · 702.1 MW 335.AES Huntington Beach Energy, LLC1 plant · 699.2 MW 336.Duke Energy Ohio Inc2 plants · 696 MW 337.Kleen Energy Systems, LLC1 plant · 693 MW 338.Lincoln Generating Facility LLC1 plant · 692 MW 339.CAMS (Georgia) AL Sandersville 1 plant · 692 MW 340.Lee County Generating Station1 plant · 692 MW 341.Mesquite Power LLC1 plant · 691.6 MW 342.Hermiston Power Partnership1 plant · 689.4 MW 343.Stanton Clean Energy LLC1 plant · 688.3 MW 344.Armstrong Power LLC1 plant · 688 MW 345.Sunrise Power Co LLC1 plant · 685.2 MW 346.Erie Boulevard Hydropower LP70 plants · 683.6 MW 347.Lea Power Partners LLC1 plant · 681.5 MW 348.Nova Power, LLC1 plant · 680 MW 349.Los Medanos Energy Center LLC1 plant · 678.3 MW 350.AES Alamitos Energy, LLC1 plant · 678 MW 351.Bear Swamp Power Company LLC2 plants · 677.2 MW 352.Brazos Valley Energy1 plant · 675.6 MW 353.Hoosier Energy R E C, Inc13 plants · 670 MW 354.Hill Top Energy Center, LLC1 plant · 664.7 MW 355.Eagle Creek Renewable Energy, LLC65 plants · 663.2 MW 356.Capricorn Ridge Wind LLC1 plant · 662.5 MW 357.South Carolina Genertg Co, Inc1 plant · 659.7 MW 358.NRG California Peaker Operations LLC1 plant · 659 MW 359.AGC Division of APGI Inc1 plant · 656.2 MW 360.Dogwood Power Management, LLC1 plant · 655.2 MW 361.Russell City Energy Company LLC1 plant · 655 MW 362.Griffith Energy LLC1 plant · 655 MW 363.CER Colorado Bend Energy Partners LP1 plant · 654.1 MW 364.Empire Generating Co LLC1 plant · 653.7 MW 365.Lower Mount Bethel Energy LLC1 plant · 651.6 MW 366.Astoria Energy II LLC1 plant · 650 MW 367.Bayonne Energy Center LLC1 plant · 644 MW 368.Springdale Energy LLC2 plants · 643.6 MW 369.High Banks Wind, LLC1 plant · 643.4 MW 370.Middle River Power II, LLC2 plants · 638.4 MW 371.Sol Systems29 plants · 636.6 MW 372.Calpine Corp-Sutter1 plant · 636 MW 373.Calpine Corp - Metcalf Energy Center1 plant · 635 MW 374.Black Hills Service Company LLC3 plants · 632.5 MW 375.Massachusetts Mun Wholes Electric Co6 plants · 631.1 MW 376.Shawville Power, LLC1 plant · 626 MW 377.Elk Hills Power LLC1 plant · 623 MW 378.Granite Shore Power5 plants · 622.6 MW 379.Coleto Creek Power LP1 plant · 622.4 MW 380.Hermiston Generating Co LP1 plant · 621.2 MW 381.Klamath Energy LLC2 plants · 619.1 MW 382.South Texas Electric Coop, Inc3 plants · 618.8 MW 383.Bastrop Energy Partners, LP1 plant · 618.7 MW 384.Five Wells Solar Center, LLC1 plant · 617.9 MW 385.Illinois Power Generating Co1 plant · 617.4 MW 386.Liberty Electric Power LLC1 plant · 614 MW 387.Cubico USA, LLC7 plants · 612.2 MW 388.Valcour Operating Services, LLC6 plants · 612 MW 389.Cordova Energy Co LLC1 plant · 611.2 MW 390.Sewaren Generating Station1 plant · 609.5 MW 391.Essential Power Operating Services, LLC1 plant · 605.5 MW 392.Odyssey Operating Services1 plant · 605.1 MW 393.Apex Generating Station1 plant · 600.6 MW 394.Limon3 plants · 600.6 MW 395.Sun Streams Expansion, LLC1 plant · 600 MW 396.Eleven Mile Solar Center, LLC1 plant · 600 MW 397.Vesper Energy Development LLC1 plant · 600 MW 398.Key Capture Energy12 plants · 599.7 MW 399.Terra-Gen Operating Co-BESS 28 plants · 599.6 MW 400.Zion Energy LLC1 plant · 596.7 MW

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Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M.