World Top 100 Electricity Generation Companies List by Market Cap as of August 2026

World Top 100 Electricity Generation Companies List by Market Cap as of August 2026, World Biggest 100 Electricity Generation Companies by Market Cap, World Largest 100 Electricity Generation Companies in the World by market cap as of August 2026.

World Largest Electricity Generation Companies in 2026
World Largest Electricity Generation Companies by Market Cap in 2026, World Top Electricity Generation Companies by Market Cap in 2026.

  1. TC Energy Corporation

    World Rank (Aug-2026)
    411
    Market Cap (Aug-2026)
    64.020 Billion USD
    World Rank (Jan-05-2024)
    440
    Market Cap (Jan-05-2024)
    41.186 Billion USD
    World Rank (Jul-30-2023)
    549
    Market Cap (Jul-30-2023)
    34.206 Billion USD
    World Rank (Dec-25-2022)
    398
    Market Cap (Dec-25-2022)
    40.710 Billion USD
    World Rank (Jan-07-2022)
    405
    Market Cap (Jan-07-2022)
    47.88 Billion USD
    Annual Revenue in USD
    11,304 Million USD
    Annual Operating Income in USD
    4,588 Million USD
    Annual Net Income in USD
    484 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    CEO
    Francois Poirier
    Stock Category
    TSX 60
    Yahoo @ NYSE
    Company Profile

    TC Energy Corporation business is supply of natural gas and crude oil through pipelines and generates electricity. Headquarters is in Calgary, Canada.

    Facts About Company

    For year ending Dec-2022, TC Energy Corporation annual revenue was 14,977 million CAD and annual net income was 641 million CAD.

    For year ending Dec-2021, TC Energy Corporation annual revenue was 13,387 million CAD and annual net income was 1,815 million CAD.

    As on 2022, TC Energy Corporation had 7,477 employees.

    Company Website
    TC ENERGY CORPORATION
    Wikipedia
    Wikipedia

  2. Dominion Energy

    World Rank (Aug-2026)
    431
    Market Cap (Aug-2026)
    60.485 Billion USD
    World Rank (Jan-05-2024)
    445
    Market Cap (Jan-05-2024)
    40.526 Billion USD
    World Rank (Jul-30-2023)
    403
    Market Cap (Jul-30-2023)
    44.723 Billion USD
    World Rank (Dec-25-2022)
    296
    Market Cap (Dec-25-2022)
    50.655 Billion USD
    World Rank (Jan-07-2022)
    278
    Market Cap (Jan-07-2022)
    64.96 Billion USD
    Annual Revenue in USD
    16,523 Million USD
    Annual Operating Income in USD
    4,414 Million USD
    Annual Net Income in USD
    2,998 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Robert M. Blue
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    DOMINION ENERGY is Energy company and Electricity Utility company with businesses in electricity and natural gas supply.

    As on 2022, DOMINION ENERGY has 17,200 employees.

    DOMINION ENERGY annual revenue generated for period ending Dec-2022 was 17,174 million USD.

    DOMINION ENERGY annual net income generated for period ending Dec-2022 was 901 million USD.

    Company Website
    DOMINION ENERGY INC
    Wikipedia
    Wikipedia

  3. E.ON SE

    World Rank (Aug-2026)
    478
    Market Cap (Aug-2026)
    53.401 Billion USD
    World Rank (Jan-05-2024)
    513
    Market Cap (Jan-05-2024)
    35.428 Billion USD
    World Rank (Jul-30-2023)
    570
    Market Cap (Jul-30-2023)
    33.126 Billion USD
    World Rank (Dec-25-2022)
    668
    Market Cap (Dec-25-2022)
    25.272 Billion USD
    World Rank (Jan-07-2022)
    596
    Market Cap (Jan-07-2022)
    34.94 Billion USD
    Annual Revenue in USD
    127,520 Million USD
    Annual Operating Income in USD
    -3,548 Million USD
    Annual Net Income in USD
    2,019 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Germany
    CEO
    Leonhard Birnbaum
    Stock Category
    S&P EUROPE 350
    Yahoo @ Germany
    Company Profile

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

    Company Website
    E.ON SE NA
    Wikipedia
    Wikipedia

  4. 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

  5. Endesa

    World Rank (Aug-2026)
    517
    Market Cap (Aug-2026)
    49.999 Billion USD
    World Rank (Jan-05-2024)
    830
    Market Cap (Jan-05-2024)
    22.090 Billion USD
    World Rank (Jul-30-2023)
    820
    Market Cap (Jul-30-2023)
    22.852 Billion USD
    World Rank (Dec-25-2022)
    829
    Market Cap (Dec-25-2022)
    19.910 Billion USD
    World Rank (Jan-07-2022)
    894
    Market Cap (Jan-07-2022)
    23.40 Billion USD
    Annual Revenue in USD
    35,877 Million USD
    Annual Operating Income in USD
    6,444 Million USD
    Annual Net Income in USD
    2,802 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Spain
    CEO
    Jose D. Bogas Galvez
    Stock Category
    S&P EUROPE 350
    Yahoo @ Spain
    Company Profile

    Endesa is Electric Utilities company with headquarters is in Madrid, Spain. Generates electricity and distributes electricity.

    Endesa is second biggest operator in the electricity market in Portugal. The company annual revenue is 20.2 billion EUR and 9,761 employees as on 2019.

    Company Website
    ENDESA SA
    Wikipedia
    Wikipedia

  6. Vistra Corp.

    World Rank (Aug-2026)
    522
    Market Cap (Aug-2026)
    49.718 Billion USD
    World Rank (Jan-05-2024)
    1,277
    Market Cap (Jan-05-2024)
    13.730 Billion USD
    World Rank (Jul-30-2023)
    1,634
    Market Cap (Jul-30-2023)
    10.340 Billion USD
    World Rank (Dec-25-2022)
    1,601
    Market Cap (Dec-25-2022)
    9.499 Billion USD
    World Rank (Jan-07-2022)
    1,752
    Market Cap (Jan-07-2022)
    10.96 Billion USD
    Annual Revenue in USD
    17,586 Million USD
    Annual Operating Income in USD
    1,906 Million USD
    Annual Net Income in USD
    944 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Vistra Corp is a energy holding company. It engages in the production of electricity and power generation. The company diverse portfolio, including natural gas, nuclear, solar and battery energy storage facilities. The headquarters is in USA.

    Company Website
    VISTRA ENERGY CORP

  7. 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

  8. 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

  9. Adani Power

    World Rank (Aug-2026)
    637
    Market Cap (Aug-2026)
    41.336 Billion USD
    World Rank (Jan-05-2024)
    715
    Market Cap (Jan-05-2024)
    25.759 Billion USD
    World Rank (Jul-30-2023)
    1,434
    Market Cap (Jul-30-2023)
    12.122 Billion USD
    World Rank (Dec-25-2022)
    1,243
    Market Cap (Dec-25-2022)
    12.828 Billion USD
    World Rank (Jan-07-2022)
    3,192
    Market Cap (Jan-07-2022)
    5.18 Billion USD
    Annual Revenue in USD
    4,713 Million USD
    Annual Operating Income in USD
    880 Million USD
    Annual Net Income in USD
    1,152 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    India
    Stock Category
    S&P BSE POWER
    S&P BSE UTILITIES
    BSE-100 Index
    Yahoo @ BSE
    Company Profile

    Adani Power is Power generating and distribution company with headquarters is in India.

    Adani Power Limited (APL) have a power generation capacity of 12,450 MW as on 2021 comprising thermal power plants in Gujarat, Maharashtra, Karnataka, Rajasthan, and Chhattisgarh and a 40 MW solar power project in Gujarat. Another 1,600 MW under construction.

    As on 2021, Adani Power had 2,400 employees.

    Company Website
    Adani Power
    Wikipedia
    Wikipedia

  10. 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

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