| Relationships | Role | Relationship Start | Relationship End |
| Morgan Stanley Renewables Inc. | Parent | 9/23/2008 | |
| Northern Frontier Wind, Llc | Subsidary | 9/23/2008 | |
| Gear Wind Llc | Subsidary | 3/12/2012 | |
| Scurry County Wind Lp Llc | Subsidary | 12/28/2012 | |
| Wind Portfolio Holdings, Llc | Subsidary | 12/31/2012 | |
| First Wind Texas Holdings, Llc | Subsidary | 9/25/2015 | |
| First Wind Texas Holdings Ii, Llc | Subsidary | 12/18/2015 | |
| Scurry County Wind Lp Llc | Subsidary | 9/23/2008 | 12/31/2009 |