| Relationships | Role | Relationship Start | Relationship End |
| West Street Energy Partners Offshore Holding - B, L.P. | Parent | 2/20/2014 | |
| Mbd 2013 Holdings, L.P. | Parent | 2/20/2014 | |
| Danish Energy Investors C Lp | Parent | 2/20/2014 | |
| New Energy Investment Offshore, Ltd. | Parent | 2/20/2014 | |
| New Energy Investment Wsep L.P. | Parent | 2/20/2014 | |
| Danish Energy Investors B Lp | Parent | 2/20/2014 | 11/22/2015 |
| New Energy Investment S.A R.L. | Subsidary | 2/20/2014 |