Industry code 35 · Oslo
Electricity, gas, steam and air conditioning supply in Oslo
There are 384 active companies in electricity, gas, steam and air conditioning supply in Oslo. 15 of them were registered in the last 12 months. Together they have 6,496 registered employees. The largest company is Statnett SF with 2,468 employees. The oldest, Hafslund Produksjon Holding AS, was founded in 1898. 95% are limited companies.
- Active companies
- 384
- New in the last 12 months
- 15
- Registered employees
- 6,496
- Share of limited companies
- 95 %
The largest companies in electricity, gas, steam and air conditioning supply in Oslo
Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.
| # | Company | Org. no. | Employees | Revenue | Founded |
|---|---|---|---|---|---|
| 1 | Statnett SF | 962986633 | 2,468 | NOK 20.2 bn | 1991 |
| 2 | Statkraft Energi AS | 987059729 | 1,216 | NOK 32.9 bn | 2004 |
| 3 | Statkraft AS | 987059699 | 901 | NOK 81.6 bn | 2004 |
| 4 | Hafslund Kraft AS | 976894677 | 652 | NOK 6.6 bn | 1996 |
| 5 | Hydro Energi AS | 930187240 | 282 | NOK 11.5 bn | 1903 |
| 6 | Hafslund Celsio AS | 977296919 | 265 | NOK 2.4 bn | 1997 |
| 7 | Fortum Strøm AS | 982584027 | 230 | NOK 8.6 bn | 2000 |
| 8 | Scatec ASA | 990918546 | 134 | NOK 5.2 bn | 2007 |
| 9 | Hafslund AS | 920596509 | 121 | NOK 139 m | 2018 |
| 10 | Joulia AS | 822191622 | 57 | NOK 168.7 m | 2019 |
| 11 | Axpo Nordic AS | 986198113 | 29 | NOK 957.9 m | 2003 |
| 12 | Clemens Kraft AS | 912511480 | 18 | NOK 35.7 m | 2013 |
| 13 | Release Solar AS | 929432517 | 18 | NOK 12.9 m | 2022 |
| 14 | Cloudberry Clean Energy ASA | 919967072 | 17 | NOK 571 m | 2017 |
| 15 | Integrated Wind Solutions ASA | 925558745 | 11 | NOK 42 m | 2020 |
| 16 | Differ Community Power AS | 825128662 | 10 | NOK 52.2 m | 2020 |
| 17 | Mind Energy AS | 994328417 | 10 | NOK 4.4 bn | 2009 |
| 18 | Vindr AS | 924505796 | 9 | NOK 8 m | 2020 |
| 19 | Blåfall AS | 914546702 | 7 | NOK 19.7 m | 2014 |
| 20 | Uniper Global Commodities Se NUF | 994451723 | 6 | NOK 30.8 m | – |
| 21 | Fortum Consumer Solutions AS | 914551757 | 5 | NOK 389.4 m | 2014 |
| 22 | Saren Energy AS | 925200719 | 5 | NOK 475.8 m | 2020 |
| 23 | Gridcore Energy Storage AS | 929616170 | 5 | – | 2022 |
| 24 | Forte Vannkraft AS | 975964825 | 5 | NOK 10.6 m | 1995 |
| 25 | Norsk Gassnett AS | 989786490 | 5 | NOK 48.1 m | 2006 |
Newest companies in electricity, gas, steam and air conditioning supply in Oslo
- Skien Vind AS16 Sept 2026
- Energeia Borg AS27 May 2026
- Rstrøm AS22 May 2026
- Hypha Energy Nordics SA22 Apr 2026
- Statkraft Finnmark Vind AS7 Apr 2026
- Nye Smøla Vind AS7 Apr 2026
- Vindr Norge AS9 Mar 2026
- Stinergy AS21 Feb 2026
- Hafslund Vind AS12 Jan 2026
- Kastadalselvi Kraftverk AS29 Dec 2025
Frequently asked questions
How many companies in electricity, gas, steam and air conditioning supply are there in Oslo?
The Register of Legal Entities lists 384 active companies in electricity, gas, steam and air conditioning supply in Oslo. 15 of them were registered in the last 12 months.
Which is the largest company in electricity, gas, steam and air conditioning supply in Oslo?
Statnett SF is the largest by number of employees, with 2,468 employees. The organisation number is 962986633.
How many people work in electricity, gas, steam and air conditioning supply in Oslo?
The companies have 6,496 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.
How long have there been companies in electricity, gas, steam and air conditioning supply in Oslo?
The oldest active company, Hafslund Produksjon Holding AS, was founded in 1898. 95% of the companies are limited companies.
Sub-industries in Oslo
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 35. Figures are updated continuously.