Top energy companies in Estonia
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | AS Elenger Grupp | Estonia | Tallinn | Liivalaia Tn 9 | Harjumaa | 10118 | gaas.***** | 1997 | $1,005,398,174 | 72 | Corporation | 89 | 10178905 |
| 2 | Ou Utilitas Tallinna Elektrijaam | Estonia | Tallinn | Tooma Tn 14 // Vaomurru Tn 1 | Harjumaa | 11415 | elektrijaam.***** | 2003 | $70,761,033 | 38 | Corporation | 8 | 10938397 |
| 3 | Gren Tartu AS | Estonia | Tartu | Sobra Tn 54/1 | Tartumaa | 50106 | N/A | 2000 | $59,221,506 | 78 | Corporation | 21 | 10641763 |
| 4 | Adven Eesti AS | Estonia | Tallinn | Kassi Tn 13 | Harjumaa | 12618 | adven.***** | 1996 | $46,120,039 | 91 | Corporation | 105 | 10066299 |
| 5 | Sw Energia OU | Estonia | Paikuse | Tehnika Tn 1 | Pärnumaa | 86602 | swenergia.***** | 2010 | $30,815,082 | 68 | Corporation | 3 | 11963782 |
| 6 | Aktsiaselts Narva Soojusvork | Estonia | Narva | Oru Tn 2 | Ida-virumaa | 20203 | nsv.***** | 1999 | $28,312,662 | 19 | Corporation | 30 | 10549419 |
| 7 | Gren Viru AS | Estonia | Kohtla-järve | Puru Tee 79 | Ida-virumaa | 31023 | N/A | 1996 | $18,316,039 | 13 | Corporation | 21 | 10160791 |
| 8 | Silpower Aktsiaselts | Estonia | Sillamäe | Kesk Tn 4 | Ida-virumaa | 40231 | silpower.***** | 1997 | $17,484,837 | 108 | Corporation | 10 | 10266472 |
| 9 | AS Utilitas Eesti | Estonia | Tallinn | Maakri Tn 19/1 | Harjumaa | 10145 | erakyte.***** | 1998 | $16,811,205 | 68 | Corporation | 8 | 10419088 |
| 10 | Gren Viljandi AS | Estonia | Viljandi | Puidu Tn 11 | Viljandimaa | 71020 | esro.***** | 1996 | $8,954,978 | 40 | Corporation | 21 | 10021049 |
| 11 | N.R. Energy Osauhing | Estonia | Järve | Jarve Moisaallee 1 | Ida-virumaa | 30331 | nrenergy.***** | 2012 | $8,868,725 | 26 | Corporation | N/A | 12364776 |
| 12 | Destiny Energy Estonia OU | Estonia | Tallinn | Paldiski Mnt 96 | Harjumaa | 13522 | N/A | 2024 | $8,304,894 | 22 | Corporation | 7 | 17016666 |
| 13 | Gasum OU | Estonia | Tallinn | Parnu Mnt 158 | Harjumaa | 11317 | N/A | 2019 | $6,775,454 | 5 | Corporation | 4107 | 14809082 |
| 14 | Aktsiaselts Kuressaare Soojus | Estonia | Kuressaare | Kalevi Tn 1a | Saaremaa | 93815 | kuressaaresoojus.***** | 1996 | $6,599,907 | 35 | Corporation | 8 | 10105549 |
| 15 | Danpower Eesti AS | Estonia | Võru | Vilja Tn 14 | Võrumaa | 65606 | danpower.***** | 1997 | $6,294,288 | 134 | Corporation | 3 | 10351812 |
| 16 | AS Utilitas Tallinna Soojus | Estonia | Tallinn | Maakri Tn 19/1 | Harjumaa | 10145 | N/A | 2023 | $5,932,674 | 184 | Corporation | 8 | 16791481 |
| 17 | Termoekspert Osauhing | Estonia | Tallinn | Liivalaia Tn 42-53 | Harjumaa | 10145 | N/A | 2000 | $5,932,674 | 33 | Corporation | 3 | 10634881 |
| 18 | Bioforce Aravete OU | Estonia | Tallinn | Paldiski Mnt 96 | Harjumaa | 13522 | N/A | 2021 | $4,876,169 | 2 | Corporation | 14 | 16180694 |
| 19 | Ou Vinni Biogaas | Estonia | Tallinn | Liivalaia Tn 9 | Harjumaa | 10118 | N/A | 2008 | $4,866,652 | 3 | Corporation | 3 | 11512714 |
| 20 | Tartu Biogaas OU | Estonia | Tallinn | Roseni Tn 11 | Harjumaa | 10111 | N/A | 2008 | $4,845,502 | 3 | Corporation | 3 | 11561670 |
| 21 | Greengas OU | Estonia | Kunda | Joe Tn 18 | Lääne-virumaa | 44109 | N/A | 2013 | $4,792,626 | 13 | Corporation | 4 | 12510781 |
| 22 | Bioforce Ebavere OU | Estonia | Ebavere | Tehase Tn 8 | Lääne-virumaa | 46209 | N/A | 2010 | $4,524,019 | 3 | Corporation | 14 | 12007697 |
| 23 | Ou Oisu Biogaas | Estonia | Tallinn | Liivalaia Tn 9 | Harjumaa | 10118 | N/A | 2008 | $4,390,773 | 3 | Corporation | 89 | 11515434 |
| 24 | Ou Kose Vesi | Estonia | Kose | Pollu Tn 14 | Harjumaa | 75101 | kosevesi.***** | 2002 | $3,857,789 | 12 | Corporation | 2 | 10917886 |
| 25 | Energate OU | Estonia | Tallinn | Mustamae Tee 16 | Harjumaa | 10617 | energate.***** | 2008 | $3,617,668 | 14 | Corporation | 7 | 11460006 |
Showing 25 of 132 companies
Request Free SampleEnergy companies in Estonia by region
132 energy companies across 15 regions. The table below shows the share each region holds.
Energy companies in Estonia by employee size
| Bracket | Businesses | Share |
|---|---|---|
| 1-4 | 57 | |
| 5-9 | 41 | |
| 20-49 | 12 | |
| 10-19 | 10 | |
| 50-99 | 6 | |
| 0 or Unknown | 4 | |
| 100-199 | 2 |
Energy companies in Estonia by revenue
| Bracket | Businesses | Share |
|---|---|---|
| 1.000.000 to 4.999.999 | 41 | |
| 500.000 to 999.999 | 21 | |
| 0 or Unknown | 19 | |
| 1 to 100.000 | 17 | |
| 100.001 to 499.999 | 17 | |
| 5.000.000 to 9.999.999 | 8 | |
| 10.000.000 to 49.999.999 | 6 | |
| 50.000.000 to 99.999.999 | 2 | |
| 1.000.000.000 or more | 1 |
NACE Rev 2 classification for Estonia energy companies
Estonian energy companies are classified under NACE Rev 2 division 35. Estonia applies the standard NACE Rev 2 classification used across the European Union. The list above covers every active business in this category registered with the äriregister (Estonian Business Register).
Closely related business services
Frequently asked questions about energy companies in Estonia
Our list tracks 132 active energy companies across Estonia's regions, sourced from the äriregister (Estonian Business Register) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most energy companies is Harjumaa, followed by the other major regions. The full region breakdown above shows the share each Estonian region holds.
Estonian energy companies are classified under NACE Rev 2 division 35 in the NACE Rev 2 system. The list above covers every active business in this category registered with the äriregister. Estonia applies the standard NACE Rev 2 classification used across the EU.
Yes. Apply your filters (region, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, äriregister registration number, VAT number, employee size, revenue band, founding year and NACE Rev 2 classification. Records are sourced from the äriregister (Estonian Business Register) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest äriregister feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
15 regions have at least one active energy companie in our list. The region with the most energy companies is Harjumaa, followed by the other major regions. Use the region breakdown table above to see the full distribution.






















































