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2874 companies · fiscal year 2025 · SEC EDGAR · September 25, 2026

Largest utilities companies by revenue

Revenue is total net sales for the fiscal year, taken from each company's own annual filing. Figures are for fiscal year 2025 and are read directly from each company's SEC filings; the source column on every row links to the document.

Ranks 1–100 of 101 · Fiscal year 2025 · Data as of September 25, 2026

Energy Transfer (ET) tops the list with $85.5B in revenue for fiscal 2025, ahead of Enterprise Products Partners ($52.6B) and Oneok ($33.6B). The top 10 together report $365B in revenue; the gap between #1 and #10 is ×3.43. 101 companies in Utilities report revenue, 3.5% of the 2853-filer universe. The last place on the list, Montauk Renewables, comes in at $176M.

Revenue
#CompanyRevenueYoY15-year trend
1Energy TransferETUS$85.5B+3.5%
2Enterprise Products PartnersEPDUS$52.6B−6.4%
3OneokOKEUS$33.6B+55.0%
4Duke EnergyDUKUS$31.7B+5.6%
5NRG EnergyNRGUS$30.7B+9.2%
6SouthernSOUS$29.6B+10.6%
7NextEra EnergyNEEUS$25.8B+9.8%
8Constellation EnergyCEGUS$25.5B+8.3%
9Waste ManagementWMUS$25.2B+14.2%
10Pg&EPCGUS$24.9B+2.1%
11ExelonEXCUS$24.3B+5.3%
12American Electric PowerAEPUS$21.9B+9.5%
13Cheniere EnergyLNGUS$20.0B+27.2%
14Edison InternationalEIXUS$19.3B+9.8%
15Republic ServicesRSGUS$19.0B+3.3%
16VistraVSTUS$17.7B+3.0%
17Consolidated EdisonEDUS$17.0B+10.2%
18Targa ResourcesTRGPUS$17.0B+3.9%
19Kinder MorganKMIUS$16.9B+12.2%
20Dominion EnergyDUS$16.5B+14.3%
21FirstenergyFEUS$15.1B+12.0%
22Williams CompaniesWMBUS$14.9B+17.9%
23Venture GlobalVGUS$13.8B+176.9%
24SempraSREUS$13.7B+3.9%
25Eversource EnergyESUS$13.5B+13.8%
26EntergyETRUS$12.9B+9.0%
27AesAESUS$12.2B−0.4%
28Public Service EnterprisePEGUS$12.2B+18.3%
29TC EnergyTRPCA$10.9B+8.5%
30Cheniere Energy PartnersCQPUS$10.8B+23.6%
31Wec EnergyWECUS$9.8B+14.0%
32Waste ConnectionsWCNCA$9.5B+6.1%
33CenterPoint EnergyCNPUS$9.4B+8.3%
34PPLPPLUS$9.2B+8.4%
35AmerenAEEUS$8.8B+15.4%
36FortisFTSCA$8.7B+3.6%
37CMS EnergyCMSUS$8.5B+13.6%
38UgiUGIUS$7.3B+1.1%
39NiSourceNIUS$6.5B+23.5%
40Hydro OneHRNNFCA$6.5B+4.4%
41Brookfield Renewable PartnersBEPBM$6.4B+9.0%
42EmeraEMACA$6.3B+19.5%
43Clean HarborsCLHUS$6.0B+2.4%
44EvergyEVRGUS$6.0B+2.0%
45Pinnacle West CapitalPNWUS$5.3B+4.2%
46Essential UtilitiesWTRGUS$5.1B+10.1%
47American Water WorksAWKUS$5.1B+10.1%
48GFL EnvironmentalGFLUS$4.7B+5.6%
49Atmos EnergyATOUS$4.7B+12.9%
50Wisconsin Electric PowerWELPPUS$4.5B+12.9%
51Alliant EnergyLNTUS$4.4B+9.6%
52Western Midstream PartnersWESUS$3.8B+6.6%
53Brookfield RenewableBEPCUS$3.7B−10.0%
54Brookfield InfrastructureBIPCUS$3.7B+0.1%
55Portland General ElectricPORUS$3.6B+4.0%
56Oge EnergyOGEUS$3.3B+9.2%
57NGL Energy PartnersNGLUS$3.2B−9.0%
58Hawaiian Electric IndustriesHEUS$3.1B−4.1%
59Centuri HoldingsCTRIUS$3.0B+13.1%
60Talen EnergyTLNUS$2.6B+22.0%
61SpireSRUS$2.5B−4.5%
62Algonquin Power & UtilitiesAQNCA$2.4B+4.9%
63Black HillsBKHUS$2.3B+8.6%
64National Fuel GasNFGUS$2.3B+17.1%
65TXNM EnergyTXNMUS$2.2B+9.9%
66AvistaAVAUS$2.0B+1.3%
67Casella Waste SystemsCWSTUS$1.8B+18.0%
68Kinetik HoldingsKNTKUS$1.8B+19.0%
69IdacorpIDAUS$1.7B−1.2%
70TransaltaTACCA$1.7B−17.1%
71Northwestern EnergyNWEUS$1.6B+6.4%
72New Fortress EnergyNFEUS$1.5B−36.2%
73ArchrockAROCUS$1.5B+28.7%
74Clearway EnergyCWENUS$1.4B+4.2%
75New Jersey ResourcesNJRUS$1.4B+9.9%
76Kodiak Gas ServicesKGSUS$1.3B+12.8%
77Otter TailOTTRUS$1.3B−2.0%
78Northwest NaturalNWNUS$1.3B+11.8%
79DT MidstreamDTMUS$1.2B+26.7%
80Excelerate EnergyEEUS$1.2B+44.3%
81Antero MidstreamAMUS$1.2B+7.4%
82XPLR InfrastructureXIFRUS$1.2B−3.4%
83USA Compression PartnersUSACUS$998M+5.0%
84Ormat TechnologiesORAUS$990M+12.5%
85California Water ServiceCWTUS$964M+6.4%
86Chesapeake UtilitiesCPKUS$930M+18.1%
87Kenon HoldingsKENSG$872M+16.1%
88H2o AmericaHTOUS$806M+7.6%
89American States WaterAWRUS$658M+10.5%
90Summit MidstreamSMCUS$562M+30.8%
91UnitilUTLUS$536M+8.3%
92Genie EnergyGNEUS$502M+18.1%
93Enlight Renewable EnergyENLTIL$489M+29.3%
94Hallador EnergyHNRGUS$469M+16.2%
95Via RenewablesVIASPUS$463M+16.2%
96Clean Energy FuelsCLNEUS$425M+2.2%
97Opal FuelsOPALUS$349M+16.3%
98Quest ResourceQRHCUS$250M−13.3%
99Middlesex WaterMSEXUS$195M+1.5%
100Montauk RenewablesMNTKUS$176M+0.4%

All figures from SEC filings · FY2025 · 100

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<p style="max-width:680px;font:13px system-ui,sans-serif">Source: <a href="https://companiesranked.com/en/largest-utilities-companies-by-revenue">Largest utilities companies by revenue</a> — CompaniesRanked, compiled from SEC EDGAR filings</p>

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{{cite web |title=Largest utilities companies by revenue |url=https://companiesranked.com/en/largest-utilities-companies-by-revenue |website=CompaniesRanked |date=2026-09-25 |language=en}}

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CompaniesRanked. (September 25, 2026). Largest utilities companies by revenue. CompaniesRanked. https://companiesranked.com/en/largest-utilities-companies-by-revenue

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@misc{companiesranked-en-largest-utilities-companies-by-revenue-2026,
  author       = {{CompaniesRanked}},
  title        = {{Largest utilities companies by revenue}},
  year         = {2026},
  howpublished = {\url{https://companiesranked.com/en/largest-utilities-companies-by-revenue}},
  note         = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
  urldate      = {2026-09-25}
}

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