According to the agreements entered into in 2011, Hjartdal municipality became co-owner of Sauland Power Plant on 28 May 2013.
In addition to this, ten landowners have become co-owners of the company. As of June 2013, the owners of Sauland Power Plant are:
- Skagerak Kraft AS, 67%
- Notodden Energi AS, 16.2%
- Hjartdal municipality, 14.35%
- Local landowners, 2.45%