| Company | Timeline | Status | |
| West Transmission Limited Director • Retired | 1 Jan 2018←7 Years→Current | Active | |
| Mutual Energy Limited Director • Retired | 1 Jan 2018←7 Years→Current | Active | |
| Moyle Interconnector Limited Director • Retired | 1 Jan 2018←7 Years→Current | Active | |
| Belfast Gas Transmission Limited Director • Retired | 1 Jan 2018←7 Years→Current | Active | |
| Premier Transmission Limited Director • Retired | 1 Jan 2018←7 Years→Current | Active | |
| West Transmission Limited Director • Retired | 1 Jan 2018←6 Years→25 Sep 2024 | Active | |
| Mutual Energy Limited Director • Retired | 1 Jan 2018←6 Years→25 Sep 2024 | Active | |
| Moyle Interconnector Limited Director • Retired | 1 Jan 2018←6 Years→25 Sep 2024 | Active | |
| Premier Transmission Limited Director • Retired | 1 Jan 2018←6 Years→25 Sep 2024 | Active | |
| Belfast Gas Transmission Limited Director • Retired | 1 Jan 2018←6 Years→25 Sep 2024 | Active | |
