| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| UEP Penonome II, S.A. | Small or Medium-sized Enterprise | Electricity | Panama | 2016-08-23 |
| ENSA | Company | Electricity | Panama | 2014-06-24 |
| Empresa de Transmision Electrica S.A. (ETESA) | Company | Electricity | Panama | 2011-03-21 |
| AES Panama | Small or Medium-sized Enterprise | Electricity | Panama | 2009-05-12 |