| Tuulipuisto Kalistanneva Oy CVR 2559448-2 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Tuulipuisto Karahka Oy CVR 2827841-8 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Tuulipuisto Juurakko Oy CVR 2949074-4 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Tuulipuisto Niinimäki Oy CVR 3166162-9 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Kalistanneva Holding Oy CVR 3223668-3 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Helen ÅB Tuulipuistohallinnointiyhtiö Oy CVR 3223677-1 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Helen Aurinkopuisto Kalanti Oy CVR 3255167-5 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Jokituuli Holding Oy CVR 3283748-9 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Kalanti GridCo Oy CVR 3300139-2 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Niinimäki Holding Oy CVR 3320977-5 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Nurmijärven Sähkövarasto Oy CVR 3333212-4 | ManagementChief Executive Officer | Since 2024 | — | Active |
