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

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

World Top Utilities Companies in 2026
World Largest Utilities Companies by Market Cap in 2026, World Top Utilities Companies by Market Cap in 2026.

  1. NRG Energy

    World Rank (Aug-2026)
    962
    Market Cap (Aug-2026)
    26.537 Billion USD
    World Rank (Jan-05-2024)
    1,455
    Market Cap (Jan-05-2024)
    11.665 Billion USD
    World Rank (Jul-30-2023)
    1,887
    Market Cap (Jul-30-2023)
    8.682 Billion USD
    World Rank (Dec-25-2022)
    1,964
    Market Cap (Dec-25-2022)
    7.352 Billion USD
    World Rank (Jan-07-2022)
    1,892
    Market Cap (Jan-07-2022)
    9.93 Billion USD
    Annual Revenue in USD
    30,347 Million USD
    Annual Operating Income in USD
    1,845 Million USD
    Annual Net Income in USD
    864 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    NRG ENERGY is Nuclear power generation company with headquarters is in Texas, USA.

    Company Website
    NRG Energy
    Wikipedia
    Wikipedia

  2. ENBW Energie Baden-Wurttemberg AG

    World Rank (Aug-2026)
    982
    Market Cap (Aug-2026)
    26.157 Billion USD
    World Rank (Jan-05-2024)
    789
    Market Cap (Jan-05-2024)
    23.254 Billion USD
    World Rank (Jul-30-2023)
    738
    Market Cap (Jul-30-2023)
    25.563 Billion USD
    World Rank (Dec-25-2022)
    682
    Market Cap (Dec-25-2022)
    24.693 Billion USD
    World Rank (Jan-07-2022)
    895
    Market Cap (Jan-07-2022)
    23.39 Billion USD
    Annual Revenue in USD
    35,444 Million USD
    Annual Operating Income in USD
    666 Million USD
    Annual Net Income in USD
    400 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Germany
    CEO
    Frank Mastiaux
    Yahoo @ Germany
    Company Profile

    Electric utilities companies with headquarters is in Germany.

    Company Website
    ENBW ENERGIE BAD.-WUE. ON
    Wikipedia
    Wikipedia

  3. Power Grid Corporation of India

    World Rank (Aug-2026)
    990
    Market Cap (Aug-2026)
    25.890 Billion USD
    World Rank (Jan-05-2024)
    684
    Market Cap (Jan-05-2024)
    26.925 Billion USD
    World Rank (Jul-30-2023)
    853
    Market Cap (Jul-30-2023)
    21.893 Billion USD
    World Rank (Dec-25-2022)
    932
    Market Cap (Dec-25-2022)
    17.850 Billion USD
    World Rank (Jan-07-2022)
    1,402
    Market Cap (Jan-07-2022)
    14.38 Billion USD
    Annual Revenue in USD
    5,541 Million USD
    Annual Operating Income in USD
    3,178 Million USD
    Annual Net Income in USD
    1,874 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    India
    CEO
    Shri R.N. Nayak
    Stock Category
    Nifty 50 Index
    BSE-100 Index
    S&P BSE INDIA INFRA
    S&P BSE POWER
    S&P BSE UTILITIES
    S&P BSE PSU
    S&P BSE CPSE
    Yahoo @ BSE
    Company Profile

    POWER GRID CORPORATION OF INDIA is Electric Utility Company involved in distribution and transmission of electricity with headquarters is in Gurgaon of India.

    Company Website
    Power Grid Corporation of India
    Wikipedia
    Wikipedia

  4. CLP Holdings

    World Rank (Aug-2026)
    1,000
    Market Cap (Aug-2026)
    25.713 Billion USD
    World Rank (Jan-05-2024)
    891
    Market Cap (Jan-05-2024)
    20.589 Billion USD
    World Rank (Jul-30-2023)
    902
    Market Cap (Jul-30-2023)
    20.569 Billion USD
    World Rank (Dec-25-2022)
    926
    Market Cap (Dec-25-2022)
    17.983 Billion USD
    World Rank (Jan-07-2022)
    834
    Market Cap (Jan-07-2022)
    25.31 Billion USD
    Annual Revenue in USD
    12,906 Million USD
    Annual Operating Income in USD
    677 Million USD
    Annual Net Income in USD
    118 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Hong Kong
    Yahoo @ HongKong
    Company Profile

    Electricity generation (Power Generation) and Electricity Distribution (Electricity Utility) company with headquarters is in Hong Kong.

    Company Website
    CLP HOLDINGS
    Wikipedia
    Wikipedia

  5. China Unicom (Hong Kong)

    World Rank (Aug-2026)
    1,032
    Market Cap (Aug-2026)
    24.721 Billion USD
    World Rank (Jan-05-2024)
    958
    Market Cap (Jan-05-2024)
    18.883 Billion USD
    World Rank (Jul-30-2023)
    852
    Market Cap (Jul-30-2023)
    21.929 Billion USD
    World Rank (Dec-25-2022)
    849
    Market Cap (Dec-25-2022)
    19.604 Billion USD
    World Rank (Jan-07-2022)
    1,283
    Market Cap (Jan-07-2022)
    15.81 Billion USD
    Annual Revenue in USD
    49,656 Million USD
    Annual Operating Income in USD
    3,405 Million USD
    Annual Net Income in USD
    2,343 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    China
    Yahoo @ NYSE
    Company Profile

    China based Telecom Company offering Mobile Communications, Landline connections, Internet Providers and TV Connection Provider. Headquarters is in China.

    Key Metrics
    309.1 Million subscribers as on September-2020.
    Company Website
    CHINA UNICOM (HONG KONG) LTD
    Wikipedia
    Wikipedia

  6. Telefonica SA

    World Rank (Aug-2026)
    1,050
    Market Cap (Aug-2026)
    24.147 Billion USD
    World Rank (Jan-05-2024)
    792
    Market Cap (Jan-05-2024)
    23.228 Billion USD
    World Rank (Jul-30-2023)
    759
    Market Cap (Jul-30-2023)
    24.911 Billion USD
    World Rank (Dec-25-2022)
    802
    Market Cap (Dec-25-2022)
    20.761 Billion USD
    World Rank (Jan-07-2022)
    833
    Market Cap (Jan-07-2022)
    25.32 Billion USD
    Annual Revenue in USD
    44,094 Million USD
    Annual Operating Income in USD
    4,609 Million USD
    Annual Net Income in USD
    2,217 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Spain
    CEO
    Jose Maria Alvarez-Pallete Lopez
    Stock Category
    S&P EUROPE 350
    Yahoo @ Spain
    Company Profile

    TELEFONICA SA is Telecom Company with headquarters is in Madrid, Spain. Telefonica operate in 17 countries and are present in 24 countries. As on 2022, TELEFONICA SA has103,651 Employees. Telefonica provides Fixed Line, Mobile, Broadband, Television Subscription services.

    Facts About Company

    Telefonica SA annual revenues was 39,993 is Million EUR and annual net income was 2,011 Million EUR for year ending Dec-2022.

    As on 2020:

    Telefónica Spain annual revenue is 12,401 Million EUR and it has 41.305 million accesses.

    Telefónica Germany annual revenue is 7,532 Million EUR and it has 48.805 million accesses.

    Telefónica United Kingdom annual revenue is 6,708 Million EUR and it has 36.541 million accesses.

    Telefónica Brazil annual revenue is 7,422 Million EUR and it has 95.158 million accesses.

    Key Metrics
    As on 2020, it is operated in 13 countries, had a presence in 24 countries and registered 345 million accesses worldwide.
    Mi Movistar/Novum app 90-day active users count is 32,730,000 as on 2020.
    Contact Centre Movistar Spain (1004) Unique customers served (annual average) count is 1,057,968 as on 2020.
    Digital channels Total Customers count is 3,400,000 as on 2020.
    Company Website
    TELEFONICA SA
    Wikipedia
    Wikipedia

  7. Verbund AG

    World Rank (Aug-2026)
    1,061
    Market Cap (Aug-2026)
    23.917 Billion USD
    World Rank (Jan-05-2024)
    583
    Market Cap (Jan-05-2024)
    31.440 Billion USD
    World Rank (Jul-30-2023)
    668
    Market Cap (Jul-30-2023)
    28.422 Billion USD
    World Rank (Dec-25-2022)
    238
    Market Cap (Dec-25-2022)
    59.287 Billion USD
    World Rank (Jan-07-2022)
    332
    Market Cap (Jan-07-2022)
    55.64 Billion USD
    Annual Revenue in USD
    11,407 Million USD
    Annual Operating Income in USD
    2,007 Million USD
    Annual Net Income in USD
    1,893 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Austria
    CEO
    Michael Strugl
    Stock Category
    S&P EUROPE 350
    Yahoo @ Austria
    Company Profile

    VERBUND is Austria's electricity company and one of the largest producers of electricity from hydropower in Europe. Close to 100% of their electricity generation comes from climate friendly, renewable hydropower. Headquarters is in in Vienna, Austria

    Company Website
    VERBUND AG
    Wikipedia
    Wikipedia

  8. MasTec Inc

    World Rank (Aug-2026)
    1,065
    Market Cap (Aug-2026)
    23.898 Billion USD
    World Rank (Jan-05-2024)
    2,698
    Market Cap (Jan-05-2024)
    5.558 Billion USD
    World Rank (Jul-30-2023)
    1,790
    Market Cap (Jul-30-2023)
    9.228 Billion USD
    World Rank (Dec-25-2022)
    2,138
    Market Cap (Dec-25-2022)
    6.650 Billion USD
    World Rank (Jan-07-2022)
    2,518
    Market Cap (Jan-07-2022)
    6.98 Billion USD
    Annual Revenue in USD
    14,299 Million USD
    Annual Net Income in USD
    399 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Mastec is a Infrastructure Construction company. The headquarters is in USA.

    The Company’s activities include the building, installation, maintenance and upgrade of energy, communication and utility infrastructure, including but not limited to: electrical utility transmission and distribution, wind farms, solar farms, other renewable energy, natural gas and petroleum pipeline infrastructure, wireless, wireline, satellite communication, industrial infrastructure and water and sewer systems.

    Company Website
    MASTEC INC
    Wikipedia
    Wikipedia

  9. Brookfield Renewable Partners

    World Rank (Aug-2026)
    1,076
    Market Cap (Aug-2026)
    23.637 Billion USD
    World Rank (Jan-05-2024)
    1,054
    Market Cap (Jan-05-2024)
    16.968 Billion USD
    World Rank (Jul-30-2023)
    946
    Market Cap (Jul-30-2023)
    19.530 Billion USD
    World Rank (Dec-25-2022)
    2,041
    Market Cap (Dec-25-2022)
    7.025 Billion USD
    World Rank (Jan-07-2022)
    1,984
    Market Cap (Jan-07-2022)
    9.38 Billion USD
    Annual Revenue in USD
    4,711 Million USD
    Annual Operating Income in USD
    1,451 Million USD
    Annual Net Income in USD
    -295 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ NYSE
    Company Profile

    Brookfield Renewable Partners is the owner and operator of a portfolio of assets that generate electricity from renewable resources. The Company operates as a pure-play renewable power platform. Its segments include Hydroelectric, Wind, Solar, Storage & Other, and Corporate. The headquarters is in Bermuda.

    Facts About Company

    For year ending Dec-2022, Brookfield Renewable Partners annual revenue was 4,711 million USD and annual net income was -295 (Loss) million USD.

    For year ending Dec-2021, Brookfield Renewable Partners annual revenue was 4,096 million USD and annual net income was -191 (Loss) million USD.

    As on 2020, Brookfield Renewable Partners had 2,630 employees.

    Company Website
    BROOKFIELD RENEWABLE PARTNERS L.P.
    Wikipedia
    Wikipedia

  10. Hydro One

    World Rank (Aug-2026)
    1,094
    Market Cap (Aug-2026)
    23.235 Billion USD
    World Rank (Jan-05-2024)
    1,009
    Market Cap (Jan-05-2024)
    17.724 Billion USD
    World Rank (Jul-30-2023)
    1,093
    Market Cap (Jul-30-2023)
    16.779 Billion USD
    World Rank (Dec-25-2022)
    1,024
    Market Cap (Dec-25-2022)
    16.141 Billion USD
    World Rank (Jan-07-2022)
    1,336
    Market Cap (Jan-07-2022)
    15.14 Billion USD
    Annual Revenue in USD
    5,872 Million USD
    Annual Operating Income in USD
    1,510 Million USD
    Annual Net Income in USD
    793 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    CEO
    Mark Poweska
    Stock Category
    TSX 60
    Yahoo @ Toronto
    Company Profile

    Hydro One Limited is Ontario’s largest electricity transmission and distribution provider with approximately 1.4 million valued customers. Headquarters is in Canada.

    They have annual revenues 7,780 million CAD in 2022.

    Hydro One invested approximately 1.7 billion CAD in its transmission and distribution networks.

    Facts About Company

    For year ending Dec-2022, Hydro One Limited annual revenue was 7,780 million CAD and annual net income was 1,050 million CAD.

    For year ending Dec-2021, Hydro One Limited annual revenue was 7,225 million CAD and annual net income was 965 million CAD.

    As on 2021, Hydro One Limited had 8,085 employees.

    Company Website
    Hydro One - Electricity Utility Company
    Wikipedia
    Wikipedia

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