Top Energy Companies in S&P 500 List by Market Cap as of August 2026

Top Energy Companies in S&P 500 List by Market Cap as of August 2026. Biggest and Top Energy Companies in S&P 500 Companies by Market Cap. Largest Top Energy Companies in S&P 500 List by Market Cap as of August 2026.
Top Energy Companies in S&P 500
Top Energy Companies in S&P 500, Biggest Energy Companies in S&P 500, Largest Energy Companies in S&P 500.

  1. Devon Energy Corporation

    World Rank (Aug-2026)
    511
    Market Cap (Aug-2026)
    50.435 Billion USD
    World Rank (Jan-05-2024)
    616
    Market Cap (Jan-05-2024)
    29.991 Billion USD
    World Rank (Jul-30-2023)
    555
    Market Cap (Jul-30-2023)
    34.010 Billion USD
    World Rank (Dec-25-2022)
    394
    Market Cap (Dec-25-2022)
    40.863 Billion USD
    World Rank (Jan-07-2022)
    628
    Market Cap (Jan-07-2022)
    33.10 Billion USD
    Annual Revenue in USD
    16,786 Million USD
    Annual Net Income in USD
    2,642 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    David A. Hager
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Oil and Gas Exploration and Production company with headquarters is in Oklahoma, USA.

    Company Website
    DEVON ENERGY CORPORATION
    Wikipedia
    Wikipedia

  2. Entergy Corporation

    World Rank (Aug-2026)
    512
    Market Cap (Aug-2026)
    50.322 Billion USD
    World Rank (Jan-05-2024)
    839
    Market Cap (Jan-05-2024)
    21.797 Billion USD
    World Rank (Jul-30-2023)
    856
    Market Cap (Jul-30-2023)
    21.836 Billion USD
    World Rank (Dec-25-2022)
    705
    Market Cap (Dec-25-2022)
    23.931 Billion USD
    World Rank (Jan-07-2022)
    930
    Market Cap (Jan-07-2022)
    22.54 Billion USD
    Annual Revenue in USD
    12,947 Million USD
    Annual Operating Income in USD
    3,202 Million USD
    Annual Net Income in USD
    1,773 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Leo P. Denault
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electric Power Generation and Electricity Distribution (Electric Utility) company with headquarters is in USA.

    As on 2022, ENTERGY CORPORATION has 11,707 employees.

    ENTERGY CORPORATION annual revenue generated for period ending Dec-2022 was 13,764 million USD.

    ENTERGY CORPORATION annual net income generated for period ending Dec-2022 was 1,103 million USD.

    Company Website
    ENTERGY CORPORATION
    Wikipedia
    Wikipedia

  3. Xcel Energy

    World Rank (Aug-2026)
    524
    Market Cap (Aug-2026)
    49.452 Billion USD
    World Rank (Jan-05-2024)
    516
    Market Cap (Jan-05-2024)
    35.167 Billion USD
    World Rank (Jul-30-2023)
    543
    Market Cap (Jul-30-2023)
    34.612 Billion USD
    World Rank (Dec-25-2022)
    421
    Market Cap (Dec-25-2022)
    38.816 Billion USD
    World Rank (Jan-07-2022)
    551
    Market Cap (Jan-07-2022)
    37.22 Billion USD
    Annual Revenue in USD
    14,669 Million USD
    Annual Operating Income in USD
    2,583 Million USD
    Annual Net Income in USD
    2,018 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Bob Frenzel
    Stock Category
    S&P 500
    Nasdaq 100
    Yahoo @ Nasdaq
    Company Profile

    Xcel Energy is Electric Utility and Gas Utility company with headquarters is in USA.

    Company Website
    XCEL ENERGY INC
    Wikipedia
    Wikipedia

  4. Exelon Corporation

    World Rank (Aug-2026)
    547
    Market Cap (Aug-2026)
    47.339 Billion USD
    World Rank (Jan-05-2024)
    506
    Market Cap (Jan-05-2024)
    36.015 Billion USD
    World Rank (Jul-30-2023)
    438
    Market Cap (Jul-30-2023)
    41.474 Billion USD
    World Rank (Dec-25-2022)
    378
    Market Cap (Dec-25-2022)
    42.771 Billion USD
    World Rank (Jan-07-2022)
    334
    Market Cap (Jan-07-2022)
    55.41 Billion USD
    Annual Revenue in USD
    24,258 Million USD
    Annual Operating Income in USD
    5,148 Million USD
    Annual Net Income in USD
    2,768 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Christopher M. Crane
    Stock Category
    S&P 500
    Nasdaq 100
    Yahoo @ Nasdaq
    Company Profile

    Exelon Corporation is Energy and Power Generation company with headquarters is in USA. They have nuclear power plants in USA to generate nuclear energy.Exelon is the nation’s largest utility company, serving more than 10 million customers.

    EXELON CORPORATION have six fully regulated transmission and distribution utilities, They are:

    Company Website
    EXELON CORPORATION
    Wikipedia
    Wikipedia

  5. Consolidated Edison

    World Rank (Aug-2026)
    657
    Market Cap (Aug-2026)
    40.237 Billion USD
    World Rank (Jan-05-2024)
    569
    Market Cap (Jan-05-2024)
    32.192 Billion USD
    World Rank (Jul-30-2023)
    569
    Market Cap (Jul-30-2023)
    33.143 Billion USD
    World Rank (Dec-25-2022)
    497
    Market Cap (Dec-25-2022)
    34.014 Billion USD
    World Rank (Jan-07-2022)
    695
    Market Cap (Jan-07-2022)
    30.31 Billion USD
    Annual Revenue in USD
    17,049 Million USD
    Annual Operating Income in USD
    2,935 Million USD
    Annual Net Income in USD
    2,023 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    John McAvoy
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    CONSOLIDATED EDISON is Electricity Utility and Gas Utility company with headquarters is in USA.

    As on 2022, CONSOLIDATED EDISON has 14,319 employees.

    CONSOLIDATED EDISON annual revenue generated for period ending Dec-2022 was 15,670 million USD.

    CONSOLIDATED EDISON annual net income generated for period ending Dec-2022 was 1,660 million USD.

    Company Website
    CONSOLIDATED EDISON INC
    Wikipedia
    Wikipedia

  6. Public Service Enterprise Group

    World Rank (Aug-2026)
    696
    Market Cap (Aug-2026)
    37.900 Billion USD
    World Rank (Jan-05-2024)
    595
    Market Cap (Jan-05-2024)
    30.801 Billion USD
    World Rank (Jul-30-2023)
    602
    Market Cap (Jul-30-2023)
    31.525 Billion USD
    World Rank (Dec-25-2022)
    552
    Market Cap (Dec-25-2022)
    30.476 Billion USD
    World Rank (Jan-07-2022)
    614
    Market Cap (Jan-07-2022)
    33.88 Billion USD
    Annual Revenue in USD
    12,123 Million USD
    Annual Operating Income in USD
    2,980 Million USD
    Annual Net Income in USD
    2,111 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Ralph Izzo
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    PUBLIC SERVICE ENTERPRISE GROUP is Electricity Generation, Electric Utility and Gas Utility company with headquarters is in USA.

    As on 2022, PUBLIC SERVICE ENTERPRISE GROUP has 12,525 employees.

    PUBLIC SERVICE ENTERPRISE GROUP annual revenue generated for period ending Dec-2022 was 9,800 million USD.

    PUBLIC SERVICE ENTERPRISE GROUP annual net income generated for period ending Dec-2022 was 1,031 million USD.

    Company Website
    PUBLIC SERVICE ENTERPRISE GROUP INCORPORATED
    Wikipedia
    Wikipedia

  7. WEC Energy Group

    World Rank (Aug-2026)
    733
    Market Cap (Aug-2026)
    36.013 Billion USD
    World Rank (Jan-05-2024)
    669
    Market Cap (Jan-05-2024)
    27.320 Billion USD
    World Rank (Jul-30-2023)
    669
    Market Cap (Jul-30-2023)
    28.408 Billion USD
    World Rank (Dec-25-2022)
    560
    Market Cap (Dec-25-2022)
    30.118 Billion USD
    World Rank (Jan-07-2022)
    690
    Market Cap (Jan-07-2022)
    30.66 Billion USD
    Annual Revenue in USD
    9,800 Million USD
    Annual Operating Income in USD
    2,245 Million USD
    Annual Net Income in USD
    1,556 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Scott J. Lauber
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electricity and natural gas supplying company with headquarters is in Wisconsin, USA.

    As on 2022, WEC ENERGY GROUP has 7,022 employees.

    WEC ENERGY GROUP annual revenue generated for period ending Dec-2022 was 9,597 million USD.

    WEC ENERGY GROUP annual net income generated for period ending Dec-2022 was 1,408 million USD.

    Company Website
    WEC ENERGY GROUP INC
    Wikipedia
    Wikipedia

  8. TechnipFMC

    World Rank (Aug-2026)
    848
    Market Cap (Aug-2026)
    30.828 Billion USD
    World Rank (Jan-05-2024)
    1,867
    Market Cap (Jan-05-2024)
    8.657 Billion USD
    World Rank (Jul-30-2023)
    1,971
    Market Cap (Jul-30-2023)
    8.178 Billion USD
    World Rank (Dec-25-2022)
    2,559
    Market Cap (Dec-25-2022)
    5.411 Billion USD
    World Rank (Jan-07-2022)
    4,742
    Market Cap (Jan-07-2022)
    3.09 Billion USD
    Annual Revenue in USD
    6,725 Million USD
    Annual Operating Income in USD
    197 Million USD
    Annual Net Income in USD
    -111 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ NYSE
    Company Profile

    TechnipFMC is a Energy Services, Oil and Gas company. The product of the company are offshore, engineering, procurement and construction for the energy industry, onshore and subsea project and management. The headquarters is in UK.

    Facts About Company

    TechnipFMC annual revenue was 6,700 million USD and annual net loss was -107 million USD generated for period year ending Dec-2022.

    TechnipFMC annual revenue was 6,403 million USD and annual net income was 13 million USD generated for period year ending Dec-2021.

    As on 2022, TechnipFMC had 23,346 employees.

    Company Website
    TECHNIPFMC PLC
    Wikipedia
    Wikipedia

  9. Ameren Corporation

    World Rank (Aug-2026)
    861
    Market Cap (Aug-2026)
    30.381 Billion USD
    World Rank (Jan-05-2024)
    935
    Market Cap (Jan-05-2024)
    19.434 Billion USD
    World Rank (Jul-30-2023)
    830
    Market Cap (Jul-30-2023)
    22.540 Billion USD
    World Rank (Dec-25-2022)
    726
    Market Cap (Dec-25-2022)
    23.145 Billion USD
    World Rank (Jan-07-2022)
    922
    Market Cap (Jan-07-2022)
    22.73 Billion USD
    Annual Revenue in USD
    8,799 Million USD
    Annual Operating Income in USD
    2,026 Million USD
    Annual Net Income in USD
    1,461 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Warner L Baxter
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electricity Utility and Gas Utility company with headquarters is in USA.

    As on 2022, AMEREN CORPORATION has 5,600 employees.

    AMEREN CORPORATION annual revenue generated for period ending Dec-2022 was 7,957 million USD.

    AMEREN CORPORATION annual net income generated for period ending Dec-2022 was 1,074 million USD.

    Company Website
    AMEREN CORPORATION
    Wikipedia
    Wikipedia

  10. DTE Energy Company

    World Rank (Aug-2026)
    880
    Market Cap (Aug-2026)
    29.307 Billion USD
    World Rank (Jan-05-2024)
    805
    Market Cap (Jan-05-2024)
    22.891 Billion USD
    World Rank (Jul-30-2023)
    805
    Market Cap (Jul-30-2023)
    23.408 Billion USD
    World Rank (Dec-25-2022)
    731
    Market Cap (Dec-25-2022)
    22.966 Billion USD
    World Rank (Jan-07-2022)
    900
    Market Cap (Jan-07-2022)
    23.19 Billion USD
    Annual Revenue in USD
    15,814 Million USD
    Annual Operating Income in USD
    2,374 Million USD
    Annual Net Income in USD
    1,462 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Jerry Norcia
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electric utility and gas utility company with headquarters is in Michigan, USA.

    As on 2022, DTE ENERGY COMPANY has 10,250 employees.

    DTE ENERGY COMPANY annual revenue generated for period ending Dec-2022 was 19,228 million USD.

    DTE ENERGY COMPANY annual net income generated for period ending Dec-2022 was 1,080 million USD.

    Company Website
    DTE ENERGY COMPANY
    Wikipedia
    Wikipedia

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