Largest Utility companies in United States by Market Capitalization

This ranking features the largest 90 Utility companies in United States ranked by Market Capitalization, totalling a Market Capitalization of USD 1.62 T, for January 15, 2025.

United States

Utility

#	Name	Market Capitalization	Reported Date	Stock Price	Change	Country
1	NextEra Energy, Inc. 1 NEE	USD 139.79 B	Jan. 14, 2025	USD 67.98	1.52%	United States
2	Constellation Energy Corporation 2 CEG	USD 90.35 B	Jan. 14, 2025	USD 288.87	3.45%	United States
3	The Southern Company 3 SO	USD 89.90 B	Jan. 14, 2025	USD 82.05	0.22%	United States
4	Duke Energy Corporation 4 DUK	USD 82.54 B	Jan. 14, 2025	USD 106.85	0.67%	United States
5	Emerson Electric Co. 5 EMR	USD 68.22 B	Jan. 14, 2025	USD 119.79	1.11%	United States
6	Carrier Global Corporation 6 CARR	USD 61.37 B	Jan. 14, 2025	USD 68.40	1.92%	United States
7	Vistra Corp. 7 VST	USD 58.01 B	Jan. 14, 2025	USD 170.51	5.17%	United States
8	American Electric Power Company, Inc. 8 AEP	USD 50.33 B	Jan. 14, 2025	USD 94.50	-0.04%	United States
9	Sempra 9 SRE	USD 49.47 B	Jan. 14, 2025	USD 78.11	1.52%	United States
10	Quanta Services, Inc. 10 PWR	USD 47.22 B	Jan. 14, 2025	USD 319.89	1.80%	United States
11	Dominion Energy, Inc. 11 D	USD 45.10 B	Jan. 14, 2025	USD 53.69	0.43%	United States
12	Public Service Enterprise Group Incorporated 12 PEG	USD 42.38 B	Jan. 14, 2025	USD 85.06	1.13%	United States
13	Exelon Corporation 13 EXC	USD 38.10 B	Jan. 14, 2025	USD 37.92	0.96%	United States
14	Xcel Energy Inc. 14 XEL	USD 36.80 B	Jan. 14, 2025	USD 64.08	0.72%	United States
15	PG&E Corporation 15 PCG	USD 35.58 B	Jan. 14, 2025	USD 16.22	NA	United States
16	Entergy Corporation 16 ETR	USD 33.26 B	Jan. 14, 2025	USD 77.56	0.64%	United States
17	Consolidated Edison, Inc. 17 ED	USD 30.96 B	Jan. 14, 2025	USD 89.37	1.02%	United States
18	WEC Energy Group, Inc. 18 WEC	USD 29.92 B	Jan. 14, 2025	USD 94.58	0.73%	United States
19	Xylem Inc. 19 XYL	USD 28.04 B	Jan. 14, 2025	USD 115.42	-0.19%	United States
20	Veralto Corporation 20 VLTO	USD 25.32 B	Jan. 14, 2025	USD 102.37	1.22%	United States
21	DTE Energy Company 21 DTE	USD 24.73 B	Jan. 14, 2025	USD 119.43	1.02%	United States
22	American Water Works Company, Inc. 22 AWK	USD 23.88 B	Jan. 14, 2025	USD 122.52	1.25%	United States
23	Ameren Corporation 23 AEE	USD 23.86 B	Jan. 14, 2025	USD 89.40	0.66%	United States
24	PPL Corporation 24 PPL	USD 23.60 B	Jan. 14, 2025	USD 31.98	0.95%	United States
25	Hubbell Incorporated 25 HUBB	USD 22.98 B	Jan. 14, 2025	USD 428.21	1.83%	United States
26	Edison International 26 EIX	USD 22.62 B	Jan. 14, 2025	USD 58.43	2.02%	United States
27	FirstEnergy Corp. 27 FE	USD 22.57 B	Jan. 14, 2025	USD 39.17	0.03%	United States
28	Atmos Energy Corporation 28 ATO	USD 21.87 B	Jan. 14, 2025	USD 140.72	1.78%	United States
29	CenterPoint Energy, Inc. 29 CNP	USD 20.76 B	Jan. 14, 2025	USD 31.86	0.79%	United States
30	Eversource Energy 30 ES	USD 20.51 B	Jan. 14, 2025	USD 55.98	0.21%	United States
31	NRG Energy, Inc. 31 NRG	USD 20.21 B	Jan. 14, 2025	USD 99.79	2.67%	United States
32	CMS Energy Corporation 32 CMS	USD 19.59 B	Jan. 14, 2025	USD 65.56	0.88%	United States
33	Watsco, Inc. 33 WSO	USD 19.41 B	Jan. 14, 2025	USD 482.30	1.20%	United States
34	NiSource Inc. 34 NI	USD 17.14 B	Jan. 14, 2025	USD 36.73	1.07%	United States
35	Alliant Energy Corporation 35 LNT	USD 14.83 B	Jan. 14, 2025	USD 57.79	1.42%	United States
36	Evergy, Inc. 36 EVRG	USD 14.08 B	Jan. 14, 2025	USD 61.21	0.89%	United States
37	MasTec, Inc. 37 MTZ	USD 11.94 B	Jan. 14, 2025	USD 150.67	4.58%	United States
38	Core & Main, Inc. 38 CNM	USD 10.72 B	Jan. 14, 2025	USD 53.95	4.25%	United States
39	A. O. Smith Corporation 39 AOS	USD 10.33 B	Jan. 14, 2025	USD 71.25	3.82%	United States
40	Pinnacle West Capital Corporation 40 PNW	USD 9.46 B	Jan. 14, 2025	USD 83.24	0.85%	United States
41	Essential Utilities, Inc. 41 WTRG	USD 9.37 B	Jan. 14, 2025	USD 34.11	1.10%	United States
42	The AES Corporation 42 AES	USD 8.43 B	Jan. 14, 2025	USD 11.85	1.37%	United States
43	OGE Energy Corp. 43 OGE	USD 8.19 B	Jan. 14, 2025	USD 40.74	1.77%	United States
44	Antero Midstream Corporation 44 AM	USD 7.76 B	Jan. 14, 2025	USD 16.13	2.02%	United States
45	Watts Water Technologies, Inc. 45 WTS	USD 6.76 B	Jan. 14, 2025	USD 202.72	1.74%	United States
46	Consumers Energy Company 46 CMS-PB	USD 6.43 B	Jan. 14, 2025	USD 76.49	-0.53%	United States
47	Zurn Elkay Water Solutions Corporation 47 ZWS	USD 6.33 B	Jan. 14, 2025	USD 37.31	1.66%	United States
48	Badger Meter, Inc. 48 BMI	USD 6.17 B	Jan. 14, 2025	USD 209.78	1.49%	United States
49	IDACORP, Inc. 49 IDA	USD 5.70 B	Jan. 14, 2025	USD 106.98	1.33%	United States
50	Brookfield Infrastructure Corporation 50 BIPC	USD 5.21 B	Jan. 14, 2025	USD 39.46	2.44%	United States

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Frequently Asked Questions

Which Utility company in United States has the highest Market Capitalization ?

The Utility company in United States with the highest Market Capitalization is NextEra Energy, Inc. (NYSE: NEE) at USD 139.79 B.
Which Utility company in United States has the lowest Market Capitalization ?

The Utility company in United States with the lowest Market Capitalization is Tennessee Valley Authority PARRS D 2028 (NYSE: TVC) at USD 11.94 M.

What are the top 10 Utility companies in United States by Market Capitalization ?

The top 10 Utility companies in United States by Market Capitalization are NextEra Energy, Inc., Constellation Energy Corporation, The Southern Company, Duke Energy Corporation, Emerson Electric Co., Carrier Global Corporation, Vistra Corp., American Electric Power Company, Inc., Sempra and Quanta Services, Inc..
What are the bottom 10 Utility companies in United States by Market Capitalization ?

The bottom 10 Utility companies in United States by Market Capitalization are Tennessee Valley Authority PARRS D 2028, Pioneer Power Solutions, Inc., Babcock & Wilcox Enterprises, Inc., Mammoth Energy Services, Inc., Energy Services of America Corporation, Pure Cycle Corporation, Global Water Resources, Inc., Artesian Resources Corporation, Genie Energy Ltd. and Sunnova Energy International Inc..