127active companies
7registered in the past year
66reported taxable income for 2024
299 t€industry median income in Finland, 2024
Largest by taxable income (100 of 127)
| Company | Municipality | Taxable income 2024 |
|---|---|---|
| Fingrid OyjPublic limited company, registered 1997 | Helsinki | 170,9 M€ |
| Helen Sähköverkko OyLimited company, registered 2006 | Helsinki | 43,9 M€ |
| Caruna OyLimited company, registered 2000 | Espoo | 21,5 M€ |
| Järvi-Suomen Energia OyLimited company, registered 1994 | Mikkeli | 18,4 M€ |
| Elenia Verkko OyjPublic limited company, registered 2019 | Tampere | 12,5 M€ |
| Kymenlaakson Sähköverkko OyLimited company, registered 2006 | Kouvola | 7,5 M€ |
| EPV Alueverkko OyLimited company, registered 2005 | Vaasa | 6,7 M€ |
| Rovakaira OyLimited company, registered 2001 | Rovaniemi | 3,5 M€ |
| Vaasan Sähköverkko OyLimited company, registered 2005 | Vaasa | 2,3 M€ |
| Okun Energia OyLimited company, registered 2020 | Outokumpu | 2,2 M€ |
| Nivos Verkot OyLimited company, registered 1974 | Mäntsälä | 1,6 M€ |
| Tornionlaakson Sähkö OyLimited company, registered 1947 | Pello | 1,5 M€ |
| Vakka-Suomen Voima OyLimited company, registered 1922 | Laitila | 1,5 M€ |
| Kokkolan Energiaverkot OyLimited company, registered 2006 | Kokkola | 1,5 M€ |
| Koillis-Satakunnan Sähkö OyLimited company, registered 1948 | Virrat | 1,5 M€ |
| PKS Sähkönsiirto OyLimited company, registered 2006 | Joensuu | 1,4 M€ |
| Alajärven Sähkö OyLimited company, registered 1944 | Alajärvi | 1,4 M€ |
| Jylhän SähköosuuskuntaCooperative, registered 1921 | Kauhava | 1,3 M€ |
| UPM Sähkönsiirto OyLimited company, registered 2001 | Tampere | 1,2 M€ |
| Naantalin Energia OyLimited company, registered 1994 | Naantali | 1,2 M€ |
| Suur-Savon Sähkö OyLimited company, registered 1946 | Mikkeli | 1,1 M€ |
| Kokemäen Sähkö OyLimited company, registered 1913 | Kokemäki | 1,1 M€ |
| Vantaan Energia Sähköverkot OyLimited company, registered 2006 | Vantaa | 897 t€ |
| Sallila Sähkönsiirto OyLimited company, registered 2006 | Loimaa | 735 t€ |
| Leppäkoski Group OyLimited company, registered 1920 | Ikaalinen | 713 t€ |
| Tunturiverkko OyLimited company, registered 2009 | Inari | 699 t€ |
| Nord Pool Finland OyLimited company, registered 1994 | Espoo | 653 t€ |
| Lahti Energia Sähköverkko OyLimited company, registered 2006 | Lahti | 584 t€ |
| Porvoon Sähköverkko OyLimited company, registered 1995 | Porvoo | 536 t€ |
| Parikkalan Valo OyLimited company, registered 1936 | Parikkala | 523 t€ |
| Imatran Seudun Sähkönsiirto OyLimited company, registered 2003 | Imatra | 517 t€ |
| Kuoreveden Sähkö OyLimited company, registered 1939 | Jämsä | 370 t€ |
| Kronoby Elverk AbLimited company, registered 2014 | Kruunupyy | 299 t€ |
| Muonion SähköosuuskuntaCooperative, registered 1947 | Muonio | 272 t€ |
| Satavakka OyLimited company, registered 1992 | Laitila | 249 t€ |
| Jeppo Kraft AndelslagCooperative, registered 1920 | Uusikaarlepyy | 214 t€ |
| Finextra OyLimited company, registered 1998 | Helsinki | 157 t€ |
| Keuruun Sähkö OyLimited company, registered 1916 | Keuruu | 152 t€ |
| Koillis-Lapin Sähkö OyLimited company, registered 2002 | Kemijärvi | 146 t€ |
| Verkko Korpela OyLimited company, registered 2006 | Kannus | 119 t€ |
| Lehtimäen Sähkö OyLimited company, registered 1946 | Alajärvi | 116 t€ |
| Leppäkosken Sähkö OyLimited company, registered 2019 | Ikaalinen | 108 t€ |
| Turku Energia Sähköverkot OyLimited company, registered 2005 | Turku | 90 t€ |
| Pori Energia Sähköverkot OyLimited company, registered 2006 | Pori | 86 t€ |
| Rovaniemen Verkko OyLimited company, registered 2006 | Rovaniemi | 77 t€ |
| Rantakairan Sähkö OyLimited company, registered 1952 | Simo | 59 t€ |
| Oulun Energia Sähköverkko OyLimited company, registered 2006 | Oulu | 48 t€ |
| Triforce OyLimited company, registered 2018 | Laitila | 46 t€ |
| Enontekiön Sähkö OyLimited company, registered 2000 | Enontekiö | 46 t€ |
| Sea North AbLimited company, registered 2022 | Finström | 25 t€ |
| Haukiputaan SähköosuuskuntaCooperative, registered 1918 | Oulu | 14 t€ |
| EnergyWise OyLimited company, registered 2022 | Kouvola | 10 t€ |
| Koillis-Pohjan Energiantuotanto OyLimited company, registered 2002 | Espoo | 9 155 € |
| Suomen Liittymisjohdot OyLimited company, registered 2023 | Kouvola | 8 388 € |
| Loiste Energia OyLimited company, registered 1947 | Kajaani | 3 355 € |
| Tyrnävän kirkonkylän SähköosuuskuntaCooperative, registered 1919 | Tyrnävä | 2 830 € |
| Suomen Pienvoima OyLimited company, registered 1989 | Helsinki | 2 132 € |
| Kempeleen EnergiaosuuskuntaCooperative, registered 2001 | Kempele | 1 286 € |
| Sähköosuuskunta LumiCooperative, registered 1956 | Lumijoki | 797 € |
| Alatemmeksen SähköosuuskuntaCooperative, registered 1926 | Liminka | 764 € |
| Suomen Voimaverkot OyLimited company, registered 1995 | Mikkeli | 514 € |
| Savon Voima Verkko OyLimited company, registered 2006 | Siilinjärvi | 496 € |
| Karhunnevan Liittymisjohto OyLimited company, registered 2018 | Espoo | 361 € |
| Manibyte Nordic OyLimited company, registered 2021 | Ilmajoki | 202 € |
| Alva Sähköverkko OyLimited company, registered 2005 | Jyväskylä | 42 € |
| Neve Arctic Infra OyLimited company, registered 2021 | Rovaniemi | 40 € |
| GreenGridLabs Finland OyLimited company, registered 2024 | Helsinki | – |
| Finnish Renewables Kenkäkangas Grid SPV OyLimited company, registered 2024 | Helsinki | – |
| Loiste Liittymisjohdot OyLimited company, registered 2024 | Kajaani | – |
| Finnish Renewables Vasama Grid SPV OyLimited company, registered 2023 | Helsinki | – |
| Terrafame Laboratorio OyLimited company, registered 2023 | Sotkamo | – |
| Gen-H OyLimited company, registered 2022 | Espoo | – |
| BLUEVOLT ABLimited company, registered 2022 | Kristiinankaupunki | – |
| Sähkönsiirto Haapavesi OyLimited company, registered 2022 | Oulu | – |
| WestWind Siirto Keuruu OyLimited company, registered 2022 | Jyväskylä | – |
| WestWind Siirto OyLimited company, registered 2021 | Jyväskylä | – |
| Haminan Sähköverkko OyLimited company, registered 2021 | Hamina | – |
| Neve Isommus OyLimited company, registered 2020 | Rovaniemi | – |
| Elenia Innovations OyLimited company, registered 2020 | Tampere | – |
| TLS Verkko OyLimited company, registered 2020 | Pello | – |
| Simo Halmekankaan liittymisjohto OyLimited company, registered 2020 | Helsinki | – |
| Velma OyLimited company, registered 2020 | Oulu | – |
| Viiatti GridCo OyLimited company, registered 2020 | Helsinki | – |
| Kajaanin Energiatuotanto OyLimited company, registered 2020 | Kajaani | – |
| Kristinestad Tupaneva OyLimited company, registered 2019 | Helsinki | – |
| Voltalis Finland OyLimited company, registered 2018 | Helsinki | – |
| Hoivakylä J&J OyLimited company, registered 2017 | Sipoo | – |
| Rauman Energia Sähköverkko OyLimited company, registered 2016 | Rauma | – |
| CHORUS Wind Pyhänkoski OyLimited company, registered 2014 | Joensuu | – |
| Voimajohto Oy KalajokiLimited company, registered 2013 | – | |
| Pohjois-Suomen Voima OyLimited company, registered 2007 | Kempele | – |
| Kajave OyLimited company, registered 2006 | Kajaani | – |
| SPS Energiapalvelut OyLimited company, registered 2005 | Ulvila | – |
| Kittilän Alueverkko OyLimited company, registered 2001 | Rovaniemi | – |
| Outokummun Energia OyLimited company, registered 1999 | Outokumpu | – |
| Enso Alueverkko OyLimited company, registered 1997 | Imatra | – |
| Kraftnät Åland ABLimited company, registered 1996 | Jomala | – |
| Ab Jeppo Kraftverk - Voimalaitos OyLimited company, registered 1994 | Uusikaarlepyy | – |
| SPS Yhtiöt OyLimited company, registered 1991 | Ulvila | – |
| Keminmaan Energia ja Vesi OyLimited company, registered 1991 | Keminmaa | – |
Taxable income is the profit as calculated for taxation, not revenue. Revenue is shown once a company has filed its financial statements digitally. Each company's page has its financials, tax data and Trade Register events.
Newest companies
| Paneliankosken Voima Verkot Oy | 19.10.2026 |
| Opti-Substation Ab | 19.8.2026 |
| Kilpimäki Wind Oy | 18.5.2026 |
| Itä-Suomen Energiaverkko Oy | 13.1.2026 |
| Altenso & Infinergies BESS 01 Oy | 17.11.2025 |
| Altenso & Infinergies BESS 02 Oy | 16.11.2025 |
| Olkiluodon Akku Oy | 4.11.2025 |
By municipality
Helsinki14Oulu7Espoo6Rovaniemi6Laitila5Kajaani4Jyväskylä3Kouvola3Mikkeli3Tampere3Pello3Vaasa3Alajärvi2Ikaalinen2Inari2Imatra2Joensuu2Kempele2Kerava2Outokumpu2Liminka2Muonio2Mäntsälä2Ulvila2Uusikaarlepyy2Enontekiö1Eura1Eurajoki1Finström1Hamina1Hanko1Vantaa1Ilmajoki1Jomala1Jämsä1Kannus1Kauhava1Keminmaa1Keuruu1Kokemäki1Kokkola1Kristiinankaupunki1Kruunupyy1Kemijärvi1Lahti1Loimaa1Lumijoki1Maarianhamina - Mariehamn1Naantali1Nurmes1Parikkala1Pietarsaari1Pori1Porvoo1Rauma1Siikainen1Siilinjärvi1Simo1Sipoo1Sotkamo1Turku1Tyrnävä1Utsjoki1Vimpeli1Virrat1