In addition to the parent company, Oulun Energia Oy, the group consists of the power sales company Oulun Sähkönmyynti Oy, the network operator Oulun Energia Siirto ja Jakelu Oy, the network construction company Oulun Energia Urakointi Oy, the peat producer Turveruukki Oy and Huoltovoima Oy. Oulun Energia is also a shareholder in various power companies.
The parent company is wholly owned by the city of Oulu, and the subsidiaries are wholly owned by the parent company – with the exception of the Oulun Sähkönmyynti Oy, of which Oulun Energia holds approximately 60.4% and other energy companies from Northern Finland the remainder.
Holdings of Oulun Energia Oy
| Subsidiaries | Percentage |
| Oulun Sähkönmyynti Oy | 60.36% |
| Oulun Energia Siirto ja Jakelu Oy | 100% |
| Oulun Energia Urakointi Oy | 100% |
| Turveruukki Oy | 100% |
| Huoltovoima Oy | 100% |
| Joint ventures | Percentage |
| EPV-Energia Oy | 1.6% |
| Innopower Oy | 19.3% |
| Kolsin Voima Oy | 22.5% |
| Lapin Sähkövoima Oy | 2.7% |
| Pohjolan Voima Oy | 1.0% |
| Power-Deriva Oy | 10% |
| Powest Oy | 0.1% |
| Suomen Energiavarat Oy | 8.1% |
| Voimapato Oy | 40% |
Managing Directors of subsidiaries
E-mail addresses: firstname.lastname@oulunenergia.fi
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Oulun Sähkönmyynti Oy |
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Oulun Energia Urakointi Oy |
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Oulun Energia Siirto ja Jakelu Oy Managing Director Katja Virkkunen Tel. +358 40 768 0107 |
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Turveruukki Oy Managing Director Pertti Vanhala Tel. +358 44 703 3701 |