Top U.S. Companies by Revenue for the Electric Services Industry

Industry: 4911 - Electric Services Year:

Rank Company Revenue
($ millions)		 Assets Market Cap
Oct 1, 2026
# 1 NRG Energy Inc. 30,713 29,140 20,107
# 2 Southern Company (The) 29,553 155,720 51,467
# 3 NextEra Energy Inc. 25,800 212,721
# 4 Constellation Energy Corp 25,533 57,249 90,001
# 5 American Electric Power Company Inc. 21,876 114,460 64,587
# 6 Edison International 19,317 94,026 20,676
# 7 Vistra Corp. 17,738 41,550 46,435
# 8 Dominion Energy Inc. 16,506 115,857 53,229
# 9 DTE Energy Company 15,814 54,066 0
# 10 FirstEnergy Corp. 15,090 55,904 25,072
# 11 Tennessee Valley Authority 13,801 59,515 0
# 12 Eversource Energy 13,547 63,787 24,167
# 13 Entergy Corporation 12,947 71,891 46,318
# 14 CenterPoint Energy Inc (Holding Co) 9,357 46,534 24,241
# 15 PPL Corp 9,042 45,244 33,872
# 16 ONCOR ELECTRIC DELIVERY CO LLC 6,778 47,795
# 17 PUGET ENERGY INC /WA 5,416 20,907
# 18 Pinnacle West Capital Corporation 5,340 30,032 11,276
# 19 Wisconsin Electric Power Co 4,494 19,696
# 20 Portland General Electric Co 3,576 13,230 5,249
# 21 OGE Energy Corp 3,260 14,371 9,383
# 22 TAMPA ELECTRIC CO 3,115 14,071
# 23 Hawaiian Electric Industries Inc. 3,087 8,923 1,544
# 24 Talen Energy Corp 2,581 10,905 14,982
# 25 OGLETHORPE POWER CORP 2,541 17,150
# 26 Black Hills Corporation 2,310 10,870 5,344
# 27 PNM Resources Inc. (Holding Co.) 2,166 12,059 6,423
# 28 IPALCO ENTERPRISES, INC. 1,933 7,757
# 29 FIRSTENERGY TRANSMISSION, LLC 1,820 13,889
# 30 Itc Holdings Corp 1,786 14,834
# 31 IDACORP Inc. 1,747 10,225 7,562
# 32 TUCSON ELECTRIC POWER CO 1,689 8,139
# 33 TRI-STATE GENERATION & TRANSMISSION ASSOCIATION, INC. 1,602 5,243
# 34 Clearway Energy, Inc. 1,429 16,655
# 35 CLEARWAY ENERGY LLC 1,429 16,444
# 36 OLD DOMINION ELECTRIC COOPERATIVE 1,333 2,381
# 37 CLECO CORPORATE HOLDINGS LLC 1,332 7,875
# 38 Otter Tail Corp 1,300 3,964 3,696
# 39 XPLR Infrastructure, LP 1,188 19,595 987
# 40 Ormat Technologies Inc. 990 6,247 5,626
# 41 Hallador Energy Company 469 408 654
# 42 GREENBACKER RENEWABLE ENERGY CO LLC 191 3,079
# 43 Spruce Power Holding Corporation 112 837 33
# 44 Nano Nuclear Energy Inc. 10 606 851
# 45 Ocean Power Technologies, Inc. 3 41 12
# 46 Bimergen Energy Corp 27
# 47 Hennessy Capital Investment Corp. VII 198
# 48 Oklo Inc. 1,528 6,886
# 49 GigCapital7 Corp. 212
# 50 Spring Valley Acquisition Corp. III 234
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