| FPL INVESTMENTS INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Sep 17, 1973 | Inactive |
| ESI GEOTHERMAL INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 12, 1987 | Inactive |
| ESI DOUBLE "C", INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Dec 18, 1987 | Inactive |
| ESI KERN FRONT, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Dec 18, 1987 | Inactive |
| FPL ENERGY OPERATING SERVICES, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Feb 8, 1994 | Inactive |
| ESI CHEROKEE GP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Mar 16, 1995 | Inactive |
| ESI CHEROKEE LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Mar 16, 1995 | Inactive |
| HARPER LAKE MANAGEMENT, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 21, 1995 | Inactive |
| FPL MAMONAL, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 28, 1996 | Inactive |
| FPL GROUP INTERNATIONAL SOUTH AMERICA, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Oct 24, 1996 | Inactive |
| FPL GROUP INTERNATIONAL SOUTH AMERICA II, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Oct 24, 1996 | Inactive |
| ESI CHEROKEE HOLDINGS, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Dec 9, 1996 | Inactive |
| ESI CHEROKEE MGP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Dec 9, 1996 | Inactive |
| ESI CALISTOGA LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jan 7, 1997 | Inactive |
| ESI CALISTOGA GP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jan 7, 1997 | Inactive |
| DOSWELL I, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Feb 11, 1997 | Inactive |
| HARPER LAKE HOLDINGS, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | May 1, 1997 | Inactive |
| ESI NORTHEAST ENERGY LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Nov 14, 1997 | Inactive |
| ESI ORMESA IE EQUITY, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Feb 25, 1998 | Inactive |
| FPL ENERGY POWER MARKETING, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 26, 1998 | Inactive |
| FPL ENERGY DOSWELL HOLDINGS, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jul 13, 1998 | Inactive |
| DOSWELL FUNDING CORPORATIONJuno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jul 13, 1998 | Inactive |
| FPL ENERGY PROJECT MANAGEMENT, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Mar 18, 1999 | Inactive |
| FPL ENERGY BELLINGHAM, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | May 11, 1999 | Inactive |
| ESI MONTGOMERY COUNTY GP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 28, 1999 | Inactive |
| ESI MONTGOMERY COUNTY LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 28, 1999 | Inactive |
| ESI BRADY, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | May 28, 1991 | Inactive |
| CH ORMESA LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Mar 17, 1992 | Inactive |
| CH ORMESA, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Mar 17, 1992 | Inactive |
| CH POSDEF LP, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 26, 1992 | Inactive |
| CH POSDEF, INC.Juno Beach, FL · Inactive | Juno Beach, FL | Corporation | Jun 26, 1992 | Inactive |