Utilities — US stocks
The Utilities sector includes 37 listed US companies with a combined market capitalization of $707B. Its largest constituent is Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp American Depositary Shares (Each repstg 250 Common Shares) (SBS). Below are the biggest Utilities stocks and the latest news across them.
Largest Utilities stocks
- 1Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp American Depositary Shares (Each repstg 250 Common Shares)SBS$96Bmarket cap
- 2National Grid Transco, PLC National Grid PLC (NEW) American Depositary SharesNGG$81Bmarket cap
- 3DBA Sempra Common StockSRE$58Bmarket cap
- 4Dominion Energy, Inc. Common StockD$58Bmarket cap
- 5Vistra Corp. Common StockVST$51Bmarket cap
- 6Public Service Enterprise Group Incorporated Common StockPEG$39Bmarket cap
- 7Consolidated Edison, Inc. Common StockED$38Bmarket cap
- 8WEC Energy Group, Inc. Common StockWEC$36Bmarket cap
- 9Ameren Corporation Common StockAEE$29Bmarket cap
- 10DTE Energy Company Common StockDTE$29Bmarket cap
- 11NRG Energy, Inc. Common StockNRG$28Bmarket cap
- 12CenterPoint Energy, Inc (Holding Co) Common StockCNP$27Bmarket cap
- 13American Water Works Company, Inc. Common StockAWK$24Bmarket cap
- 14NiSource Inc Common StockNI$22Bmarket cap
- 15CMS Energy Corporation Common StockCMS$21Bmarket cap
- 16Brookfield Renewable Partners L.P. Limited Partnership UnitsBEP$11Bmarket cap
- 17The AES Corporation Common StockAES$11Bmarket cap
- 18Ormat Technologies, Inc. Common StockORA$9Bmarket cap
- 19Black Hills Corporation Common StockBKH$5Bmarket cap
- 20Algonquin Power & Utilities Corp. Common SharesAQN$5Bmarket cap
- 21MDU Resources Group, Inc. Common Stock (Holding Company)MDU$4Bmarket cap
- 22Kenon Holdings Ltd. Ordinary SharesKEN$4Bmarket cap
- 23TransAlta Corporation Ordinary SharesTAC$4Bmarket cap
- 24Avista Corporation Common StockAVA$3Bmarket cap
- 25American States Water Company Common StockAWR$3Bmarket cap
- 26California Water Service Group Common StockCWT$3Bmarket cap
- 27Central Puerto S.A. American Depositary Shares (each represents ten Common Shares)CEPU$2Bmarket cap
- 28Middlesex Water CompanyMSEX$976Mmarket cap
- 29UNITIL Corporation Common StockUTL$884Mmarket cap
- 30Consolidated Water Co.CWCO$480Mmarket cap
Latest Utilities news
Data Center Backlash: PA's $20B Deal Tests AMZN, CEG, VST Power Bets
Jun 23, 2026
SpaceX Bets on Orbital AI Data Centers — What It Means for NVDA, GOOGL and Power Plays
Jun 21, 2026
DOJ Backs SpaceX-Owned xAI in NAACP Pollution Suit: AI Data-Center Power Risk in Focus (NVDA, GEV)
Jun 16, 2026
Constellation Energy (CEG) Completes California Megawatt Expansion Amid Power Demand Surge
Jun 14, 2026Utilities — frequently asked
What are the largest Utilities stocks?
The biggest US Utilities companies by market cap include Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp American Depositary Shares (Each repstg 250 Common Shares) (SBS), National Grid Transco, PLC National Grid PLC (NEW) American Depositary Shares (NGG), DBA Sempra Common Stock (SRE), Dominion Energy, Inc. Common Stock (D), Vistra Corp. Common Stock (VST). The full ranked list is shown above.
How big is the US Utilities sector?
The Utilities sector spans 37 listed US companies with a total market capitalization of about $707B.
Where can I see Utilities news?
The latest stories across Utilities companies are listed in the news section on this page, updated as they are published.
Market capitalization figures are aggregated from listed US companies and provided for information only — not investment advice.