Top Energy Companies in Europe List by Market Cap as of August 2026

Top Energy Companies in Europe List by Market Cap as of August 2026. Biggest and Top Energy Companies in Europe Companies by Market Cap. Largest Top Energy Companies in Europe List by Market Cap as of August 2026.
Top Energy Companies in Europe
Top Energy Companies in Europe, Biggest Energy Companies in Europe, Largest Energy Companies in Europe.

  1. 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

  2. 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

  3. PKN Orlen

    World Rank (Aug-2026)
    527
    Market Cap (Aug-2026)
    49.303 Billion USD
    World Rank (Jan-05-2024)
    966
    Market Cap (Jan-05-2024)
    18.752 Billion USD
    World Rank (Jul-30-2023)
    2,324
    World Rank (Dec-25-2022)
    2,324
    World Rank (Jan-07-2022)
    2,324
    Annual Revenue in USD
    22,407 Million USD
    Annual Net Income in USD
    716 Million USD
    Annual Results for Period Ending
    Dec-2020 ending year
    Headquarters Country
    Poland
    Yahoo @ Poland
    Company Profile

    PKN Orlen is a Player on the Fuels and Energy Markets company. It capable of processing more than 35 million tonnes of various crude oil types per annum and network of over 2,800 modern service stations. It offering includes over 50 top quality petrochemical and refining products sold in more than 90 countries around the world on 6 continents. The company is also an important player on the Polish power market, ranking as the industrial electricity producer with a capacity of 1.9 GW. The headquarters is in Poland.

    Company Website
    POLSKI KONCERN NAFTOWY ORLEN
    Wikipedia
    Wikipedia

  4. Innogy SE

    World Rank (Aug-2026)
    556
    World Rank (Jan-05-2024)
    556
    World Rank (Jul-30-2023)
    556
    World Rank (Dec-25-2022)
    556
    World Rank (Jan-07-2022)
    556
    Annual Revenue in USD
    41,374 Million USD
    Annual Results for Period Ending
    Dec-2018 ending year
    Headquarters Country
    Germany
    Company Profile

    Electricity generation and Electricity distribution company with headquarters is in Germany.

    Innogy SE is acquired by E.ON SE. Post acquisition it is merged into E.ON SE.

    Company Website
    INNOGY SE INH. O.N. (Innogy merged into E.ON)
    Wikipedia
    Wikipedia

  5. SSE PLC

    World Rank (Aug-2026)
    666
    Market Cap (Aug-2026)
    39.667 Billion USD
    World Rank (Jan-05-2024)
    716
    Market Cap (Jan-05-2024)
    25.694 Billion USD
    World Rank (Jul-30-2023)
    788
    Market Cap (Jul-30-2023)
    23.845 Billion USD
    World Rank (Dec-25-2022)
    752
    Market Cap (Dec-25-2022)
    22.354 Billion USD
    World Rank (Jan-07-2022)
    885
    Market Cap (Jan-07-2022)
    23.67 Billion USD
    Annual Revenue in USD
    16,043 Million USD
    Annual Operating Income in USD
    -742 Million USD
    Annual Net Income in USD
    -158 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    UK
    CEO
    Alistair Phillips-Davies
    Stock Category
    FTSE 100
    S&P EUROPE 350
    Yahoo @ LSE
    Company Profile

    SSE PLC is a Electricity generation and distribution company. SSE Energy Services was acquired by OVO Energy from SSE plc. SSE Energy Services is now owned and operated by OVO Energy. SSE's vision is to be a leading energy company in a low carbon world. Headquarters is in UK.

    SSE PLC Business Segments:

    • SSE Renewables
    • SSEN Distribution
    • SSEN Transmission
    • SSE Thermal
    • SSE Energy Solutions
    • SSE Airtricity
    Facts About Company

    SSE PLC annual revenue generated for period ending Mar-2023 was 12,490 million GBP.

    SSE PLC annual net income generated for period ending Mar-2023 was -123 (Loss) million GBP.

    SSE PLC annual revenue generated for period ending Mar-2022 was 8,608 million GBP.

    SSE PLC annual net income generated for period ending Mar-2022 was 3,031 million GBP.

    As on 2022, SSE PLC had 10,754 employees.

    Company Website
    SSE PLC
    Wikipedia
    Wikipedia

  6. PJSC LUKOIL

    World Rank (Aug-2026)
    712
    World Rank (Jan-05-2024)
    305
    World Rank (Jul-30-2023)
    305
    World Rank (Dec-25-2022)
    305
    World Rank (Jan-07-2022)
    305
    Market Cap (Jan-07-2022)
    59.25 Billion USD
    Annual Revenue in USD
    110,010 Million USD
    Annual Net Income in USD
    9,018 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Russia
    CEO
    Vagit Alekperov
    Company Profile

    Pjsc Lukoil is Energy Company and Oil and Gas company with headquarters is in Moscow, Russia.

    Facts About Company

    Pjsc Lukoil annual revenue was 9,220 Billion RUB and annual net income was 773.4 Billion RUB for year ending Dec-2021.

    Pjsc Lukoil annual revenue was 5,195 Billion RUB and annual net income was 15.17 Billion RUB for year ending Dec-2020.

    Pjsc Lukoil had 101,000 employees as on 2019.

    Company Website
    PJSC LUKOIL
    Wikipedia
    Wikipedia

  7. Repsol

    World Rank (Aug-2026)
    744
    Market Cap (Aug-2026)
    35.575 Billion USD
    World Rank (Jan-05-2024)
    986
    Market Cap (Jan-05-2024)
    18.391 Billion USD
    World Rank (Jul-30-2023)
    941
    Market Cap (Jul-30-2023)
    19.661 Billion USD
    World Rank (Dec-25-2022)
    770
    Market Cap (Dec-25-2022)
    21.691 Billion USD
    World Rank (Jan-07-2022)
    1,133
    Market Cap (Jan-07-2022)
    18.16 Billion USD
    Annual Revenue in USD
    82,860 Million USD
    Annual Operating Income in USD
    10,442 Million USD
    Annual Net Income in USD
    4,621 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Spain
    CEO
    Josu Jon Imaz
    Stock Category
    S&P EUROPE 350
    Yahoo @ Spain
    Company Profile

    Energy company with headquarters is in Madrid, Spain.

    Company Website
    REPSOL
    Wikipedia
    Wikipedia

  8. Novatek

    World Rank (Aug-2026)
    751
    World Rank (Jan-05-2024)
    250
    World Rank (Jul-30-2023)
    250
    World Rank (Dec-25-2022)
    250
    World Rank (Jan-07-2022)
    250
    Market Cap (Jan-07-2022)
    69.39 Billion USD
    Annual Revenue in USD
    10,411 Million USD
    Annual Net Income in USD
    3,896 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Russia
    CEO
    Leonid Viktorovich Mikhelson
    Company Profile

    Novatek is Natural Gas Producing company with headquarters is in Russia.

    Facts About Company

    Novatek annual revenue was 1,156,724 Million RUB and annual net income was 432,927 Million RUB for year ending Dec-2021.

    Novatek annual revenue was 88,744 Million RUB and annual net income was 8,563 Million RUB for year ending Dec-2020.

    Novatek had 16,821 employees as on 2020.

    Company Website
    NOVATEK
    Wikipedia
    Wikipedia

  9. 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

  10. Neste Oyj

    World Rank (Aug-2026)
    878
    Market Cap (Aug-2026)
    29.477 Billion USD
    World Rank (Jan-05-2024)
    689
    Market Cap (Jan-05-2024)
    26.826 Billion USD
    World Rank (Jul-30-2023)
    667
    Market Cap (Jul-30-2023)
    28.501 Billion USD
    World Rank (Dec-25-2022)
    465
    Market Cap (Dec-25-2022)
    35.821 Billion USD
    World Rank (Jan-07-2022)
    519
    Market Cap (Jan-07-2022)
    39.11 Billion USD
    Annual Revenue in USD
    28,343 Million USD
    Annual Operating Income in USD
    2,612 Million USD
    Annual Net Income in USD
    2,082 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Finland
    CEO
    Peter Vanacker
    Stock Category
    S&P EUROPE 350
    Yahoo @ Finland
    Company Profile

    Neste is oil refining company and produces renewable diesel and renewable jet fuel refined from waste and residues. They provide renewable solutions also to the polymers and chemicals industries which will reduce dependency on crude oil. Headquarters is in Finland.

    Company Website
    NESTE OYJ
    Wikipedia
    Wikipedia

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