| Tuulipuisto Kalistanneva Oy CVR 2559448-2 | BoardBoard of Directors | Since 2022 | — | Active |
| Tuulipuisto Karahka Oy CVR 2827841-8 | BoardBoard of Directors | Since 2022 | — | Active |
| Tuulipuisto Juurakko Oy CVR 2949074-4 | BoardBoard of Directors | Since 2022 | — | Active |
| Viiatti GridCo Oy CVR 3146896-8 | BoardBoard of Directors | Since 2022 | — | Active |
| Tuulipuisto Niinimäki Oy CVR 3166162-9 | BoardBoard of Directors | Since 2023 | — | Active |
| Ålandsbanken Fonder III Ab CVR 3169429-5 | BoardBoard of Directors | Since 2024 | — | Active |
| Kalistanneva Holding Oy CVR 3223668-3 | BoardBoard of Directors | Since 2022 | — | Active |
| Helen ÅB Tuulipuistohallinnointiyhtiö Oy CVR 3223677-1 | BoardBoard of Directors | Since 2022 | — | Active |
| Ålandsbanken Fonder IV Ab CVR 3250098-2 | BoardBoard of Directors | Since 2024 | — | Active |
| Leilisuo GP Oy CVR 3253771-8 | BoardBoard of Directors | Since 2021 | — | Active |
| Riitamaa-Nurmesneva GP Oy CVR 3254162-9 | BoardBoard of Directors | Since 2025 | — | Active |
| Niinimäki Grid Oy CVR 3277661-2 | BoardBoard of Directors | Since 2023 | — | Active |
| Jokituuli Holding Oy CVR 3283748-9 | BoardBoard of Directors | Since 2022 | — | Active |
| Niinimäki Holding Oy CVR 3320977-5 | BoardBoard of Directors | Since 2023 | — | Active |
| JEF Holding Oy CVR 3353383-1 | BoardBoard of Directors | Since 2023 | — | Active |
| WWN Move Oy CVR 3353622-3 | BoardBoard of Directors | Since 2023 | — | Active |