Utilities groups electric, gas, water, and related regulated-energy companies under one industry-group label. Many are rate-regulated; that is not the same as a bond substitute or a yield ranking. Combined size is not a sector return. See how the ranking works.
90 U.S.-listed Utilities companies with a market cap of at least $1B are ranked here by market capitalization, worth a combined $2.02T — 2.04% of the total market tracked on MarketCapLens. The most valuable is NextEra Energy, Inc. at $166.46B. As of October 19, 2026. Size ranking for research, not a sector recommendation.
| Industry | Companies | Combined cap | % of sector |
|---|---|---|---|
| Regulated Electric | 50 | $1.51T | 74.64% |
| Independent Power Producers | 7 | $198.34B | 9.81% |
| Diversified Utilities | 5 | $104.26B | 5.16% |
| Regulated Gas | 13 | $99.94B | 4.94% |
| Regulated Water | 6 | $66.54B | 3.29% |
| Renewable Utilities | 9 | $43.73B | 2.16% |
The largest company, NextEra Energy, Inc. (NEE), is 8.23% of Utilities. The three largest — NextEra Energy, Inc. (NEE), The Southern Company (SO), and Southern Company (The) Series 2 (SOJE) — are 18.61% of the sector. The ten largest are 43.50%. NextEra Energy, Inc. is classified as Regulated Electric, which is also the largest industry in this sector by combined cap.
| Weight |
|---|
| 1 | NextEra Energy, Inc.NEE | $166.46B | $79.80 | +1.06% | 12.7M | 8.23% |
| 2 | The Southern CompanySO | $104.89B | $91.18 | +2.24% | 8.27M | 5.19% |
| 3 | Southern Company (The) Series 2SOJE | $104.89B | $15.67 | -0.13% | 270.9K | 5.19% |
| 4 | Constellation Energy CorporationCEG | $96.15B | $271.37 | -1.32% | 4M | 4.76% |
| 5 | Duke Energy CorporationDUK | $94.71B | $121.47 | +2.18% | 3.75M | 4.68% |
| 6 | National Grid plcNGG | $81.66B | $81.22 | +2.72% | 1.67M | 4.04% |
| 7 | American Electric Power Company, Inc.AEP | $69.21B | $127.14 | +2.29% | 3.41M | 3.42% |
| 8 | Dominion Energy, Inc.D | $55.9B | $63.56 | +1.11% | 3.68M | 2.77% |
| 9 | SempraSRE | $54.54B | $83.41 | +1.81% | 3.8M | 2.70% |
| 10 | Vistra Corp.VST | $51.02B | $152.02 | -1.39% | 5.2M | 2.52% |
| 11 | Entergy CorporationETR | $50.22B | $105.11 | +1.11% | 2.24M | 2.48% |
| 12 | Xcel Energy Inc.XEL | $47.67B | $76.31 | +1.58% | 6.28M | 2.36% |
| 13 | Entergy Louisiana, LLC COLLATERAL TR MTELC | $45.82B | $18.18 | -1.03% | 21.72K | 2.27% |
| 14 | Exelon CorporationEXC | $44.82B | $43.50 | +2.40% | 6.58M | 2.22% |
| 15 | Consolidated Edison, Inc.ED | $41.37B | $112.26 | +2.18% | 2.21M | 2.05% |
| 16 | Duke Energy Corporation Units 1.08.29DUKU | $38.4B | $49.25 | +1.55% | 501.52K | 1.90% |
| 17 | Public Service Enterprise Group IncorporatedPEG | $35.63B | $71.49 | +1.82% | 3.13M | 1.76% |
| 18 | WEC Energy Group, Inc.WEC | $35.42B | $108.71 | +2.52% | 3.09M | 1.75% |
| 19 | PPL CorporationPPLC | $35.26B | $46.86 | +0.93% | 401.73K | 1.74% |
| 20 | PG&E CorporationPCG | $35.08B | $13.09 | +1.00% | 21.78M | 1.74% |
| 21 | Ameren CorporationAEE | $29.37B | $106.08 | +2.24% | 1.94M | 1.45% |
| 22 | Fortis Inc.FTS | $28.49B | $55.76 | +2.01% | 715.14K | 1.41% |
| 23 | Atmos Energy CorporationATO | $28.28B | $167.34 | +2.07% | 947.34K | 1.40% |
| 24 | DTE Energy CompanyDTE | $27B | $129.73 | +1.09% | 2.1M | 1.34% |
| 25 | American Water Works Company, Inc.AWK | $26.82B | $134.94 | +1.43% | 1.54M | 1.33% |
| 26 | FirstEnergy Corp.FE | $26.73B | $46.19 | +1.41% | 4.47M | 1.32% |
| 27 | CenterPoint Energy, Inc.CNP | $26.71B | $40.55 | +1.88% | 6.23M | 1.32% |
| 28 | Eversource EnergyES | $25.18B | $66.85 | +1.30% | 2.39M | 1.25% |
| 29 | NRG Energy, Inc.NRG | $21.81B | $103.75 | +0.87% | 2.56M | 1.08% |
| 30 | CMS Energy CorporationCMS | $21.54B | $68.70 | +2.63% | 7.61M | 1.07% |
| 31 | CMS Energy Corporation 5.6% JRSUB NT 78CMSA | $21.54B | $19.11 | +0.26% | 42.88K | 1.07% |
| 32 | Edison InternationalEIX | $21.52B | $55.93 | +0.50% | 4.93M | 1.06% |
| 33 | Companhia de Saneamento Básico do Estado de São Paulo - SABESPSBS | $21.39B | $6.26 | 0.00% | 11.05M | 1.06% |
| 34 | NiSource IncNI | $20.46B | $42.68 | +3.47% | 9.04M | 1.01% |
| 35 | Evergy, Inc.EVRG | $19.2B | $83.30 | +2.12% | 1.91M | 0.95% |
| 36 | Algonquin Power & Utilities Corp.AQNB | $18.74B | $25.53 | -0.39% | 15.79K | 0.93% |
| 37 | The Southern Company JR 2017B NT 77SOJC | $18.58B | $18.59 | -0.54% | 46.91K | 0.92% |
| 38 | Alliant Energy CorporationLNT | $17.71B | $68.32 | +1.82% | 2.58M | 0.88% |
| 39 | Brookfield Infrastructure Partners L.P.BIP | $17.25B | $37.45 | +0.48% | 795.85K | 0.85% |
| 40 | Talen Energy CorporationTLN | $16.78B | $354.81 | +0.34% | 737.85K | 0.83% |
| 41 | Duke Energy Corporation 5.625%DUKB | $16.2B | $20.83 | -0.33% | 50.29K | 0.80% |
| 42 | Emera IncorporatedEMA | $14.66B | $47.72 | +1.38% | 616.02K | 0.72% |
| 43 | Korea Electric Power CorporationKEP | $13.65B | $10.63 | -0.56% | 861.69K | 0.68% |
| 44 | Pinnacle West Capital CorporationPNW | $12.53B | $103.42 | +1.81% | 1.03M | 0.62% |
| 45 | Essential Utilities, Inc.WTRG | $11.58B | $40.83 | +1.34% | 2.08M | 0.57% |
| 46 | The AES CorporationAES | $10.67B | $14.95 | -0.13% | 13.18M | 0.53% |
| 47 | OGE Energy Corp.OGE | $9.82B | $47.53 | +1.02% | 2.32M | 0.49% |
| 48 | Enlight Renewable Energy LtdENLT | $9.75B | $69.68 | -0.54% | 160.72K | 0.48% |
| 49 | Companhia Energética de Minas GeraisCIG-C | $9.73B | $3.40 | -2.58% | 252 | 0.48% |
| 50 | Brookfield Renewable Partners L.P.BEP | $8.52B | $28.40 | -0.87% | 783.79K | 0.42% |
| 51 | UGI CorporationUGI | $8.24B | $38.43 | +2.43% | 1.86M | 0.41% |
| 52 | IDACORP, Inc.IDA | $8B | $138.30 | +1.07% | 560.3K | 0.40% |
| 53 | TXNM Energy, Inc.TXNM | $6.44B | $58.52 | -0.05% | 1.65M | 0.32% |
| 54 | Southwest Gas Holdings, Inc.SWX | $6.34B | $87.45 | +1.45% | 669.55K | 0.31% |
| 55 | Enel Chile S.A.ENIC | $6.17B | $4.46 | +1.83% | 416.27K | 0.31% |
| 56 | Clearway Energy, Inc.CWEN | $6.15B | $29.93 | -0.10% | 1.03M | 0.30% |
| 57 | CMS Energy Corporation 5.875% JCMSC | $6.08B | $19.85 | -0.15% | 49.42K | 0.30% |
| 58 | Black Hills CorporationBKH | $5.84B | $76.63 | +1.00% | 955.63K | 0.29% |
| 59 | Ormat Technologies, Inc.ORA | $5.49B | $89.31 | -0.26% | 2.95M | 0.27% |
| 60 | New Jersey Resources CorporationNJR | $5.3B | $52.19 | +1.28% | 794.91K | 0.26% |
| 61 | Oklo Inc.OKLO | $5.2B | $27.97 | -6.80% | 9.46M | 0.26% |
| 62 | Portland General Electric CompanyPOR | $5.19B | $44.15 | +0.64% | 1.97M | 0.26% |
| 63 | Spire Inc.SR | $4.85B | $82.03 | +1.59% | 456.34K | 0.24% |
| 64 | ONE Gas, Inc.OGS | $4.75B | $75.60 | +1.39% | 508.59K | 0.24% |
| 65 | Brookfield Infrastructure CorporationBIPC | $4.64B | $37.74 | +0.29% | 1.64M | 0.23% |
| 66 | Northwestern Energy Group IncNWE | $4.6B | $74.72 | +1.18% | 292.57K | 0.23% |
| 67 | DTE Energy Company 2025 SeriesDTK | $4.51B | $21.69 | +0.28% | 222.78K | 0.22% |
| 68 | Pampa Energía S.A.PAM | $4.35B | $81.10 | +0.77% | 147.63K | 0.22% |
| 69 | Brookfield Renewable CorporationBEPC | $4.33B | $28.67 | -0.90% | 2.07M | 0.21% |
| 70 | TransAlta CorporationTAC | $4.06B | $12.85 | +1.50% | 1.28M | 0.20% |
| 71 | MDU Resources Group, Inc.MDU | $4B | $19.00 | +2.10% | 1.76M | 0.20% |
| 72 | American States Water CompanyAWR | $3.31B | $83.45 | +0.86% | 370.21K | 0.16% |
| 73 | Kenon Holdings Ltd.KEN | $3.31B | $63.44 | +0.62% | 50.72K | 0.16% |
| 74 | Chesapeake Utilities CorporationCPK | $3.19B | $132.18 | +1.16% | 197.08K | 0.16% |
| 75 | DTE Energy Company 2021 SeriesDTG | $3.13B | $15.06 | -1.44% | 34.61K | 0.15% |
| 76 | Avista CorporationAVA | $3.07B | $36.67 | +1.35% | 642.93K | 0.15% |
| 77 | DTE Energy Company 2020 SeriesDTB | $3.07B | $14.76 | -0.20% | 54.37K | 0.15% |
| 78 | SOLV Energy, Inc. Class A Common StockMWH | $2.96B | $23.96 | +0.08% | 2.75M | 0.15% |
| 79 | Fervo Energy CompanyFRVO | $2.85B | $9.68 | -5.65% | 20.76M | 0.14% |
| 80 | MGE Energy, Inc.MGEE | $2.73B | $72.27 | +1.39% | 139.75K | 0.13% |
| 81 | Companhia Paranaense de EnergiaELPC | $2.59B | $13.97 | +2.12% | 460.67K | 0.13% |
| 82 | ReNew Energy Global PlcRNW | $2.51B | $6.88 | +0.29% | 1.41M | 0.12% |
| 83 | H2O AmericaHTO | $2.41B | $57.69 | +0.68% | 710.66K | 0.12% |
| 84 | Northwest Natural Holding CompanyNWN | $2.06B | $48.99 | +1.32% | 368.25K | 0.10% |
| 85 | Centuri Holdings, Inc.CTRI | $1.99B | $19.73 | -0.15% | 1.87M | 0.10% |
| 86 | Central Puerto S.A.CEPU | $1.94B | $12.93 | -0.31% | 216.94K | 0.10% |
| 87 | Hawaiian Electric Industries, Inc.HE | $1.48B | $8.58 | +1.06% | 3.59M | 0.07% |
| 88 | Fluence Energy, Inc.FLNC | $1.17B | $5.80 | -9.80% | 4.52M | 0.06% |
| 89 | Entergy Texas, Inc.ETI-P | $1.07B | $22.90 | +3.20% | 4.86K | 0.05% |
| 90 | Middlesex Water CompanyMSEX | $1.03B | $54.59 | +1.26% | 179.37K | 0.05% |
Industry rows typically split electric, gas, water, and diversified utilities. Combined market cap is listed equity in the snapshot, not rate-base growth or a utilities total-return index.