| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Pato Osakeyhtiö CVR 0112558-5 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Länsi-Suomen Voima Oy CVR 0132548-0 | BoardBoard of Directors | Since 2025 | — | Active |
| Ahvionkoski Oy CVR 0511478-7 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Kolsin Vesivoimantuotanto Oy CVR 1030375-0 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Voimapato Oy CVR 2589465-3 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Kolsin Voima Oy CVR 2592000-6 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| UPM Sähkönsiirto Oy CVR 1643266-8 | OtherPerson with significant control | 2023 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 3companies | View profile | |
| Chief Executive Officer | 3companies | View profile | |
| Audit | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile |