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Sector

Energy

2,294 Finnish companies classified under energy. Public register information only.

Sector insights

Energy in Finland

Counts over the Finnish Patent and Registration Office (PRH) register as loaded on 2026-09-14. Dissolved companies are excluded. No financial figures are involved.

2,294Companies on the register
0.7%of Finnish companies348,752 across all sectors
5 yearsMedian company age10 years across all sectors
2.9%In insolvency proceedings2.8% across all sectors

New companies per year

02505002012: 3820122013: 692014: 5020142015: 532016: 3420162017: 212018: 4020182019: 712020: 8820202021: 1212022: 26220222023: 2922024: 21420242025: 1912026: 94 (year to date)2026
Companies still on the register, by the year they were incorporated. 2026 is the year to date. Companies dissolved since are not counted, so earlier years understate how many were formed. 22% are under three years old, against 17% across all sectors.

How old they are

Energy
All sectors
  • Under 3 years 22%
  • 3 to 9 years 39%
  • 10 to 19 years 17%
  • 20 years or more 22%

What they do

  1. Production of electricity from hydropower TOL 2008 35121
    88639%
  2. Steam and air conditioning supply TOL 2008 35300
    42519%
  3. Trade of electricity TOL 2008 35150
    25111%
  4. Production of electricity from non-renewable sources TOL 2008 35110
    2089.1%
  5. Production of electricity from wind power TOL 2008 35122
    1265.5%
  6. Transmission of electricity TOL 2008 35130
    1255.4%
  7. Distribution of electricity TOL 2008 35140
    1044.5%
  8. Manufacture of gas TOL 2008 35210
    793.4%
  9. Production of electricity from other renewable sources TOL 2008 35129
    411.8%
  10. Storage of electricity TOL 2008 35160
    371.6%
  11. Trade of gas through mains TOL 2008 35230
    80.3%
  12. Distribution of gaseous fuels through mains TOL 2008 35220
    30.1%
The main activity each company registered, largest first.

Where they are registered

  1. 70031%
  2. 1858.1%
  3. 612.7%
  4. 572.5%
  5. 452.0%
  6. 381.7%
  7. 331.4%
  8. 311.4%
  9. 271.2%
  10. 251.1%
Registered town, which is often an accountant's or a director's address rather than where the business trades.

Legal forms

  1. Limited company (Oy)
    2,15594%
  2. Limited partnership (Ky)
    693.0%
  3. Cooperative (Osk)
    522.3%
  4. Public limited company (Oyj)
    100.4%
  5. Branch of a foreign company
    50.2%
  6. General partnership (Ay)
    30.1%

Compare energy in Finland with the United Kingdom and Norway →

Companies

CompanyTownIncorporated
3FlashTwo OySeinäjoki2024
AB Kaiken Kaasuttamo OyJalasjärvi2022
ABO Energy Suomi OyHelsinki2013
ACS-Infinity Ab Oy LtdMariehamn2017
AGROENERGI Ab2005
Ahti Power I OYTampere2025
Ahti Power II OYTampere2025
AHTI POWER III OyTampere2026
AJK-Invest OyPornainen1989
AKK-Energia OyIkaalinen2009
Akkukoria OYTampere2025
Akkuleppävirta OYHelsinki2025
AL-lataus OyHelsinki2023
AL-yhtiöt OyHelsinki1988
AMP Tank Finland OyHelsinki2021
AOX Trade Nordics OyVaasa2019
ATP Palloneva OyKauhajoki2021
AVH Energy OyTampere2026
Axel Fibro OYPori2018
Aalto Energia OyjHelsinki2023
Aalto Wind No 1 Ltd. OyHelsinki2018
Aalto Wind No 2 Ltd. OyHelsinki2018
Aarrenlämpö OyHanko1975
Ab Grani El OyKauniainen2022
Ab Jeppo Kraftverk - Voimalaitos OyJepua1994
Ab Larsmo Vindkraft OyLuoto2001
Ab Nattes och pappas 2 OyKasnäs2022
Ab Pedersöre Värme - Pedersöre Lämpö OyPännäinen2006
Ab Vörå VärmeförsörjningVöyri1996
Adven OyVantaa2011
Aermec Suomi OyOulu2015
Ageragas Innovation OyKyyjärvi2016
Ahmovaaran Akku OyHelsinki2024
Ahvenlammen Tuulipuisto OyEspoo2022
Ahvionkoski OyKotka1943
Ainola Battery Storage OyHelsinki2022
Airakselankankaan Tuulivoimapuisto OyHelsinki2021
Airanteen Energia OyUrjala2003
Aitovoima OyEura2021
Ajutor OyPirkkala2022
Akkulaapi OyEspoo2025
Ala-Korpivaara Wind Farm OyEspoo2024
Alajärven Lämpö OyAlajärvi1982
Alajärven Sähkö OyAlajärvi1944
Alakoski OyÄänekoski1936
Alandia EV Charging AbMariehamn2022
Alatemmeksen SähköosuuskuntaAla-Temmes1926
Alavuden Lämpö OyAlavus2014
Alifällans Solpark AbKuni2025
Alight Ainikki Oy2023
Alight Aino Oy2023
Alight Antero Oy2023
Alight EPC OyHelsinki2025
Alight Kullervo Oy2023
Alight Louhi Oy2023
Alight Ostonen Oy2023
Alight Sampo Oy2023
Alight Tapio Oy2023
Alight Tiera Oy2023
Alight Ukko Oy2022
Alight Vellamo Oy2023
Alight Väinämöinen Oy2022
Alkkian Energia OyHelsinki2016
Alkkulan Aluelämpö OyYlitornio1984
Allego Charging OyHelsinki2023
Allwinds AbJomala1985
Alpiq Finland OyVantaa2020
Altenso & Infinergies BESS 01 OyHelsinki2025
Altenso & Infinergies BESS 02 OyHelsinki2025
Alva Sähköverkko OyJyväskylä2005
Alva-yhtiöt OyJyväskylä1996
Amertat Energy OyHelsinki2022
Amp Tank Bothnia OyHelsinki2025
Amp Tank Nordic OyHelsinki2023
Amperax Lotlax OyMustasaari2024
AmperiA OyVantaa2025
Ankkuri-Energia OyHelsinki2013
Anttolan Lämpö OyMikkeli1995
Arctic Renewable Energy OyPello2023
Artjärven Lämpö OyHietana2000
Arto Koski Consulting OyVarkaus2022
AssetQo Finland OyForssa2024
Asterholma Vindenergi AbTorsholma2011
Atomica Engineering OyEspoo2023
Auran Lämpö OyAura Kk2012
Aurinkopuisto Otava OyKuni2024
Aurinkosijoitus OyNokia2021
Aurinkovoimavapriikki OyForssa2026
Auris Bioenergia OyKotka2025
Auris Energiapalvelut OyKotka2017
Auris Kaasuenergia OyKotka2017
Auris Kaasunjakelu OyKotka2011
Aurora Kilpilahti OyKulloo2013
Aurora Lämpö OyRovaniemi2005
Aurora Sotkamo OyHelsinki2026
Aurora Tornio OyTornio2013
AvainEnergia OyTikkala2011
Axpo Finland OyHelsinki2008
Axpo Renewable Finland OyVaasa2022
Bess Energy Finland OYNummela2026
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