| Rank | Logo | Company | Market Cap | Country |
|---|---|---|---|---|
| 1 |  | Nextera Energy | $192.53 B | USA |
| 2 |  | Iberdrola | $153.80 B | Spain |
| 3 |  | Constellation Energy | $114.55 B | USA |
| 4 |  | Enel | $109.18 B | Italy |
| 5 |  | Southern Company | $107.71 B | USA |
| 6 |  | Duke Energy | $100.89 B | USA |
| 7 |  | China Yangtze Power | $96.54 B | China |
| 8 |  | National Grid | $85.03 B | UK |
| 9 |  | ENGIE | $80.50 B | France |
| 10 |  | TAQA | $76.23 B | UAE |
| 11 |  | E.ON | $58.75 B | Germany |
| 12 |  | Dominion Energy | $53.62 B | USA |
| 13 |  | Xcel Energy | $49.61 B | USA |
| 14 |  | Entergy | $47.08 B | USA |
| 15 |  | SSE | $43.29 B | UK |
| 16 |  | Endesa | $42.66 B | Spain |
| 17 |  | NTPC Limited | $39.48 B | India |
| 18 |  | WEC Energy Group | $37.64 B | USA |
| 19 |  | Dubai Electricity and Water Authority (DEWA) | $36.35 B | UAE |
| 20 |  | ACWA POWER Company | $34.64 B | S. Arabia |
| 21 |  | DTE Energy | $30.60 B | USA |
| 22 |  | Atmos Energy | $30.58 B | USA |
| 23 |  | Fortis | $28.51 B | Canada |
| 24 |  | Naturgy | $28.45 B | Spain |
| 25 |  | Edison International | $27.66 B | USA |
| 26 |  | Verbund AG | $27.47 B | Austria |
| 27 |  | American Water | $26.76 B | USA |
| 28 |  | Eversource Energy | $26.14 B | USA |
| 29 |  | Hydro One | $25.76 B | Canada |
| 30 |  | AXIA Energia SA | $24.77 B | Brazil |
| 31 |  | CMS Energy | $23.73 B | USA |
| 32 |  | NiSource | $22.34 B | USA |
| 33 |  | Tenaga Nasional | $21.34 B | Malaysia |
| 34 |  | EDP Group | $20.84 B | Portugal |
| 35 |  | Evergy | $18.66 B | USA |
| 36 |  | Alliant Energy | $18.33 B | USA |
| 37 |  | KEPCO | $18.13 B | Japan |
| 38 |  | Power Assets | $16.81 B | Hong Kong |
| 39 |  | EDP Renováveis | $16.34 B | Spain |
| 40 |  | Osaka Gas | $15.53 B | Japan |
| 41 |  | Origin Energy | $14.63 B | Australia |
| 42 |  | Tata Power | $13.74 B | India |
| 43 |  | Centrica | $12.68 B | UK |
| 44 |  | Chubu Electric Power | $12.23 B | Japan |
| 45 |  | Severn Trent | $12.21 B | UK |
| 46 |  | Pinnacle West Capital | $12.09 B | USA |
| 47 |  | Edison | $12.02 B | Italy |
| 48 |  | United Utilities | $11.95 B | UK |
| 49 |  | Italgas | $11.70 B | Italy |
| 50 |  | Essential Utilities | $11.45 B | USA |
| 51 |  | ENN Natural Gas Co.,Ltd. | $10.61 B | China |
| 52 |  | CPFL Energia | $10.45 B | Brazil |
| 53 |  | BKW AG | $10.30 B | Switzerland |
| 54 |  | GAIL | $10.04 B | India |
| 55 |  | Equatorial Energia | $9.90 B | Brazil |
| 56 |  | OGE Energy | $9.77 B | USA |
| 57 |  | Canadian Utilities | $9.51 B | Canada |
| 58 |  | Enel Américas | $9.05 B | Chile |
| 59 |  | Companhia Paranaense de Energia (COPEL) | $8.82 B | Brazil |
| 60 |  | A2A | $8.64 B | Italy |
| 61 |  | Meridian Energy | $8.63 B | New Zealand |
| 62 |  | PetGas (Petronas Gas) | $8.45 B | Malaysia |
| 63 |  | UGI Corporation | $7.92 B | USA |
| 64 |  | Public Power Corporation | $7.91 B | Greece |
| 65 |  | Torrent Power | $7.81 B | India |
| 66 |  | Idacorp | $7.66 B | USA |
| 67 |  | ENGIE Brasil | $6.98 B | Brazil |
| 68 |  | Hera Group | $6.77 B | Italy |
| 69 |  | Adani Total Gas | $6.49 B | India |
| 70 |  | TXNM Energy | $6.34 B | USA |
| 71 |  | PGE Polska | $6.05 B | Poland |
| 72 |  | Portland General Electric | $6.04 B | USA |
| 73 |  | EVN Group | $5.83 B | Austria |
| 74 |  | Enel Chile | $5.71 B | Chile |
| 75 |  | ACEA | $5.50 B | Italy |
| 76 |  | New Jersey Resources | $5.42 B | USA |
| 77 |  | Spire Inc. | $5.41 B | USA |
| 78 |  | ONE Gas | $5.40 B | USA |
| 79 |  | Black Hills | $5.35 B | USA |
| 80 |  | Contact Energy | $5.28 B | New Zealand |
| 81 |  | ATCO | $4.91 B | Canada |
| 82 |  | Pampa Energía | $4.74 B | Argentina |
| 83 |  | Aboitiz Power | $4.66 B | Philippines |
| 84 |  | AGL Energy | $4.39 B | Australia |
| 85 |  | Qatar Electricity & Water Company | $4.33 B | Qatar |
| 86 |  | Tauron Polska | $4.32 B | Poland |
| 87 |  | NorthWestern Corporation | $4.11 B | USA |
| 88 |  | Iren | $3.75 B | Italy |
| 89 |  | Otter Tail | $3.67 B | USA |
| 90 |  | Tohoku Electric Power | $3.60 B | Japan |
| 91 |  | Enerjisa Enerji | $3.32 B | Turkey |
| 92 |  | Comgás | $3.30 B | Brazil |
| 93 |  | Pennon Group | $3.27 B | UK |
| 94 |  | Avista | $3.25 B | USA |
| 95 |  | Chesapeake Utilities | $3.05 B | USA |
| 96 |  | Toho Gas | $2.87 B | Japan |
| 97 |  | LEW (Lechwerke) | $2.80 B | Germany |
| 98 |  | Vector Limited | $2.74 B | New Zealand |
| 99 |  | Mainova | $2.74 B | Germany |
| 100 |  | MGE Energy | $2.72 B | USA |
Largest utility companies by market cap
