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

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

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

  1. Algonquin Power & Utilities

    World Rank (Aug-2026)
    3,947
    Market Cap (Aug-2026)
    4.392 Billion USD
    World Rank (Jan-05-2024)
    3,197
    Market Cap (Jan-05-2024)
    4.486 Billion USD
    World Rank (Jul-30-2023)
    2,677
    Market Cap (Jul-30-2023)
    5.626 Billion USD
    World Rank (Dec-25-2022)
    2,926
    Market Cap (Dec-25-2022)
    4.620 Billion USD
    World Rank (Jan-07-2022)
    1,962
    Market Cap (Jan-07-2022)
    9.53 Billion USD
    Annual Revenue in USD
    2,765 Million USD
    Annual Operating Income in USD
    500 Million USD
    Annual Net Income in USD
    -220 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ NYSE
    Company Profile

    Electric utility, gas utility and water utility company with headquarters is in Ontario, Canada. Renewable energy generating company and generates wind, solar and hydro-electric power.

    Company Website
    ALGONQUIN POWER & UTILITIES CORP
    Wikipedia
    Wikipedia

  2. Renew Power

    World Rank (Aug-2026)
    3,958
    World Rank (Jan-05-2024)
    3,958
    World Rank (Jul-30-2023)
    3,958
    World Rank (Dec-25-2022)
    3,958
    World Rank (Jan-07-2022)
    3,958
    Annual Revenue in USD
    742 Million USD
    Annual Net Income in USD
    -189 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    India
    Company Profile
    ReNew Power is the one of the largest renewable energy IPP in India in terms of total energy generation capacity. Currently the company has a current renewable asset base of over 8.5 GW, of which more than 5.4 GW is operational. Headquarters is in Gurugram, India.
    Company Website
    RENEW POWER
    Wikipedia
    Wikipedia

  3. Northland Power

    World Rank (Aug-2026)
    4,160
    Market Cap (Aug-2026)
    4.051 Billion USD
    World Rank (Jan-05-2024)
    3,176
    Market Cap (Jan-05-2024)
    4.538 Billion USD
    World Rank (Jul-30-2023)
    3,015
    Market Cap (Jul-30-2023)
    4.919 Billion USD
    World Rank (Dec-25-2022)
    2,093
    Market Cap (Dec-25-2022)
    6.800 Billion USD
    World Rank (Jan-07-2022)
    2,670
    Market Cap (Jan-07-2022)
    6.46 Billion USD
    Annual Revenue in USD
    1,848 Million USD
    Annual Operating Income in USD
    784 Million USD
    Annual Net Income in USD
    616 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    Power Generation company with headquarters is in Canada.

    Company Website
    NORTHLAND POWER INC.
    Wikipedia
    Wikipedia

  4. NLC India

    World Rank (Aug-2026)
    4,228
    Market Cap (Aug-2026)
    3.942 Billion USD
    World Rank (Jan-05-2024)
    3,634
    Market Cap (Jan-05-2024)
    3.818 Billion USD
    World Rank (Jul-30-2023)
    5,739
    Market Cap (Jul-30-2023)
    2.003 Billion USD
    World Rank (Dec-25-2022)
    6,982
    Market Cap (Dec-25-2022)
    1.360 Billion USD
    World Rank (Jan-07-2022)
    8,648
    Market Cap (Jan-07-2022)
    1.17 Billion USD
    Annual Revenue in USD
    1,496 Million USD
    Annual Net Income in USD
    137 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    India
    Stock Category
    S&P BSE UTILITIES
    S&P BSE PSU
    S&P BSE CPSE
    Yahoo @ BSE
    Company Profile
    NLC India is lignite mining company and also produces thermal power. Headquarters is in Tamilnadu of India.
    Company Website
    NLC India Limited
    Wikipedia
    Wikipedia

  5. TransAlta Corporation

    World Rank (Aug-2026)
    4,281
    Market Cap (Aug-2026)
    3.858 Billion USD
    World Rank (Jan-05-2024)
    4,969
    Market Cap (Jan-05-2024)
    2.488 Billion USD
    World Rank (Jul-30-2023)
    4,760
    Market Cap (Jul-30-2023)
    2.632 Billion USD
    World Rank (Dec-25-2022)
    4,849
    Market Cap (Dec-25-2022)
    2.362 Billion USD
    World Rank (Jan-07-2022)
    4,874
    Market Cap (Jan-07-2022)
    2.98 Billion USD
    Annual Revenue in USD
    2,092 Million USD
    Annual Net Income in USD
    -413 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    TransAlta Corporation is a Electrical Power Generation company. It produces wind, hydro-electric power, solar, gas, coal plants, affordable and reliable power. The company operate more than 70 generation facilities across Canada. The headquarters is in Canada.

    Company Website
    TRANSALTA CORPORATION

  6. Tohoku Electric Power Company

    World Rank (Aug-2026)
    4,301
    Market Cap (Aug-2026)
    3.830 Billion USD
    World Rank (Jan-05-2024)
    3,907
    Market Cap (Jan-05-2024)
    3.473 Billion USD
    World Rank (Jul-30-2023)
    4,114
    Market Cap (Jul-30-2023)
    3.256 Billion USD
    World Rank (Dec-25-2022)
    4,601
    Market Cap (Dec-25-2022)
    2.556 Billion USD
    World Rank (Jan-07-2022)
    4,338
    Market Cap (Jan-07-2022)
    3.50 Billion USD
    Annual Revenue in USD
    15,356 Million USD
    Annual Net Income in USD
    -791 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    Japan
    Yahoo @ Tokyo
    Company Profile
    Generated electricity and distributes electricity. Headquarters is in Japan.
    Company Website
    TOHOKU ELECTRIC POWER COMPANY

  7. Energa SA

    World Rank (Aug-2026)
    4,471
    Market Cap (Aug-2026)
    3.617 Billion USD
    World Rank (Jan-05-2024)
    8,698
    Market Cap (Jan-05-2024)
    0.979 Billion USD
    World Rank (Jul-30-2023)
    8,745
    Market Cap (Jul-30-2023)
    1.000 Billion USD
    World Rank (Dec-25-2022)
    10,784
    Market Cap (Dec-25-2022)
    0.651 Billion USD
    World Rank (Jan-07-2022)
    10,603
    Market Cap (Jan-07-2022)
    0.81 Billion USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Poland
    Yahoo @ Frankfurt
    Company Profile
    Electricity generation and distribution company with headquarters is in Poland. 
    Company Website
    ENERGA SA

  8. China Suntien Green Energy Corporation

    World Rank (Aug-2026)
    4,640
    Market Cap (Aug-2026)
    3.432 Billion USD
    World Rank (Jan-05-2024)
    3,988
    Market Cap (Jan-05-2024)
    3.387 Billion USD
    World Rank (Jul-30-2023)
    3,843
    Market Cap (Jul-30-2023)
    3.582 Billion USD
    World Rank (Dec-25-2022)
    3,342
    Market Cap (Dec-25-2022)
    3.898 Billion USD
    World Rank (Jan-07-2022)
    2,666
    Market Cap (Jan-07-2022)
    6.49 Billion USD
    Annual Revenue in USD
    2,509 Million USD
    Annual Net Income in USD
    339 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ HongKong
    Company Profile
    CHINA SUNTIEN GREEN ENERGY CORPORATION business is related to selling natural gas and wind power generation. The headquarters is in China.
    Company Website
    CHINA SUNTIEN GREEN ENERGY CORPORATION

  9. Drax Group

    World Rank (Aug-2026)
    4,648
    Market Cap (Aug-2026)
    3.424 Billion USD
    World Rank (Jan-05-2024)
    5,091
    Market Cap (Jan-05-2024)
    2.389 Billion USD
    World Rank (Jul-30-2023)
    4,359
    Market Cap (Jul-30-2023)
    2.993 Billion USD
    World Rank (Dec-25-2022)
    3,733
    Market Cap (Dec-25-2022)
    3.391 Billion USD
    World Rank (Jan-07-2022)
    4,584
    Market Cap (Jan-07-2022)
    3.24 Billion USD
    Annual Revenue in USD
    9,987 Million USD
    Annual Operating Income in USD
    310 Million USD
    Annual Net Income in USD
    109 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile
    Drax Group is a Lower cost Energy Power Generation company. It operate an integrated value chain across three principal areas of activity they are sustainable wood pellet production, flexible low carbon and renewable energy generation and energy sales and services to business customers. The company has multi site, multi technology generation portfolio provides power and system support services to the electricity grid. The headquarters is in UK.
    Company Website
    DRAX GROUP

  10. TransAlta Renewables

    World Rank (Aug-2026)
    4,702
    World Rank (Jan-05-2024)
    4,702
    World Rank (Jul-30-2023)
    4,702
    Market Cap (Jul-30-2023)
    2.683 Billion USD
    World Rank (Dec-25-2022)
    5,222
    Market Cap (Dec-25-2022)
    2.138 Billion USD
    World Rank (Jan-07-2022)
    4,040
    Market Cap (Jan-07-2022)
    3.83 Billion USD
    Annual Revenue in USD
    361 Million USD
    Annual Net Income in USD
    108 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    Renewable Power generating company with headquarters is in Canada.

    TransAlta Corp. acquired TransAlta Renewables. TranAlta had given 1.0337 shares of TransAlta for each share of TransAlta Renewables.

    Company Website
    TRANSALTA RENEWABLES INC.
    Wikipedia
    Wikipedia

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