| Olana Energy Oy CVR 3376259-7 | OtherConfidential Clerk | Since 2024 | — | Active |
| Tebogado Oy CVR 3378871-1 | BoardBoard of Directors | Since 2023 | — | Active |
| Olana Energy Storage SPV 1 Oy CVR 3390643-1 | OtherDeputy Member | Since 2023 | — | Active |
| Olana Energy Construction Oy CVR 3460807-3 | OtherDeputy Member | Since 2024 | — | Active |
| Olana Energy HoldCo 1 Oy CVR 3460852-4 | OtherDeputy Member | Since 2024 | — | Active |
| Olana Energy MidCo 1 Oy CVR 3460888-2 | OtherDeputy Member | Since 2024 | — | Active |
| Olana Energy MidCo 2 Oy CVR 3523053-5 | OtherDeputy Member | Since 2025 | — | Active |
| Olana Energy HoldCo 2 Oy CVR 3523063-1 | OtherConfidential Clerk | Since 2025 | — | Active |
| Olana Energy HoldCo 3 Oy CVR 3534998-2 | OtherDeputy Member | Since 2025 | — | Active |
| Olana Energy MidCo 3 Oy CVR 3535002-7 | OtherDeputy Member | Since 2025 | — | Active |
| Teuvan Sähkövarasto Oy CVR 3537892-7 | OtherConfidential Clerk | Since 2025 | — | Active |
| Isojoen Sähkövarasto Oy CVR 3543046-5 | OtherConfidential Clerk | Since 2025 | — | Active |
| Olarin Sähkövarasto Oy CVR 3557232-4 | OtherDeputy Member | Since 2025 | — | Active |
| Olana Integrator Oy CVR 3574264-5 | OtherDeputy Member | Since 2025 | — | Active |
| OE SPV 4 Oy CVR 3599462-3 | OtherConfidential Clerk | Since 2026 | — | Active |
| Elliex Oy CVR 3617446-7 | OtherDeputy Member | Since 2026 | — | Active |
| OE SPV 5 Oy CVR 3618537-7 | OtherConfidential Clerk | Since 2026 | — | Active |
