| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | TEILIAU BACH HYDRO LTD | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | CLOGWYN HYDRO LIMITED | — | Active | 26/06/2024 – present |
| Officer | NANT HIR HYDRO SCHEME LIMITED | 🇬🇧Regno Unito | Active | 03/02/2026 – present |
| Person with significant control | NANT HIR HYDRO SCHEME LIMITED | 🇬🇧Regno Unito | Active | 23/06/2024 – present |
| Person with significant control | CWM CLOCH HYDRO LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Officer | CWM CLOCH HYDRO LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Person with significant control | TRYWERYN HYDRO LIMITED | — | Active | 19/06/2024 – present |
| Officer | MAES ELWY HYDRO LIMITED | 🇬🇧Regno Unito | Active | 06/05/2026 – present |
| Officer | TEILIAU BACH HYDRO LTD | 🇬🇧Regno Unito | Active | 04/05/2026 – present |
| Officer | CLOGWYN HYDRO LIMITED | — | Active | 09/05/2026 – present |
| Officer | TRYWERYN HYDRO LIMITED | — | Active | 18/05/2026 – present |
| Officer | FLORIC LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
01/01/2017
appointed
14/11/2016
appointed
23/02/2004
appointed