Exhibit 21.1
Subsidiaries of OPAL Fuels Inc.
| Entity Name | Jurisdiction of Incorporation or Organization | |
| OPAL Fuels LLC | Delaware | |
| Fortistar Services LLC | Delaware | |
| Fortistar Methane 3 Holdings LLC | Delaware | |
| Fortistar Methane 3 LLC | Delaware | |
| Albany Energy LLC | Delaware | |
| Arbor Hills Energy LLC | Delaware | |
| C&C Energy LLC | Delaware | |
| CMS Charlotte Energy LLC | Delaware | |
| Concord Energy LLC | Delaware | |
| Concord Energy Operator #1 LLC | Delaware | |
| Concord Energy Operator #2 LLC | Delaware | |
| Miramar Energy LLC | Delaware | |
| MM Lopez Energy LLC | Delaware | |
| MM Prima Deshecha Energy LLC | Delaware | |
| MM Prince William Energy LLC | Delaware | |
| MM San Diego LLC | Delaware | |
| MM Tajiguas Energy LLC | Delaware | |
| MM Taunton Energy LLC | Delaware | |
| MM West Covina LLC | Delaware | |
| NEO Albany LLC | Delaware | |
| NEO Lopez Canyon LLC | Delaware | |
| NEO Prima Deshecha LLC | Delaware | |
| NEO Prince William LLC | Delaware | |
| NEO San Diego LLC | Delaware | |
| NEO Tajiguas LLC | Delaware | |
| NEO Taunton LLC | Delaware | |
| NEO West Covina LLC | Delaware | |
| North City Energy LLC | Delaware | |
| Pioneer Crossing Energy LLC | Delaware | |
| Port Charlotte Energy LLC | Delaware | |
| Prince William Energy LLC | Delaware | |
| Richmond Energy LLC | Delaware | |
| San Marcos Energy LLC | Delaware | |
| Santa Cruz Energy LLC | Delaware | |
| Sunset Farms Energy LLC | Delaware | |
| San Bernardino Landfill Gas Partnership, L.P. | California | |
| NM Mid Valley Genco LLC | Delaware | |
| Fortistar Methane 4 LLC | Delaware | |
| Pine Bend Energy LLC | Delaware | |
| Pioneer Energy Holdings LLC | Delaware | |
| Sycamore Energy 1 LLC | Delaware | |
| Sycamore Energy LLC | Delaware | |
| Sycamore Energy 2 LLC | Delaware | |
| Vienna Junction Energy LLC | Delaware |
| Entity Name | Jurisdiction of Incorporation or Organization | |
| Lyon Energy LLC | Delaware | |
| Coyote Canyon Energy LLC | Delaware | |
| East Bridgewater Energy LLC | Delaware | |
| Gas Recovery Systems, LLC | California | |
| Charles City Energy LLC | Delaware | |
| Minnesota Methane LLC | Delaware | |
| OPAL Contracting LLC | Delaware | |
| OPAL RNG LLC | Delaware | |
| CV RNG Holdings LLC | Delaware | |
| CV RNG HoldCo LLC | Delaware | |
| Central Valley RNG LLC | Delaware | |
| VS Digester, LLC | California | |
| MD Digester, LLC | California | |
| DB Digester, LLC | California | |
| Arbor Hills RNG LLC | Delaware | |
| Fall River RNG LLC | Delaware | |
| CMS Concord RNG LLC | Delaware | |
| Noble Road HoldCo LLC | Delaware | |
| Noble Road RNG LLC | Delaware | |
| New River HoldCo LLC | Delaware | |
| New River RNG LLC | Delaware | |
| Prince William RNG LLC | Delaware | |
| Pine Bend HoldCo LLC | Delaware | |
| Pine Bend RNG LLC | Delaware | |
| Reynolds RNG LLC | Delaware | |
| Sunoma HoldCo LLC | Delaware | |
| Sunoma Holdings LLC | Delaware | |
| Sunoma Renewable Biofuel, LLC | Arizona | |
| Beacon HoldCo LLC | Delaware | |
| Beacon RNG LLC | Delaware | |
| Imperial Landfill Gas Company, LLC | Pennsylvania | |
| Greentree Landfill Gas Company, LLC | Pennsylvania | |
| Beacon Landfill Gas Holdings LLC | Pennsylvania | |
| Beacon RNG Acquisition LLC | Delaware | |
| OPAL Station Holdings LLC | Delaware | |
| OPAL Dispensing LLC | Delaware | |
| OPAL Station Services LLC | Delaware | |
| TruStar Energy LLC | Delaware | |
| OPAL Fuel Services LLC | Delaware | |
| OPAL Environmental Credit Marketing LLC | Delaware | |
| OPAL Fuels Intermediate HoldCo LLC | Delaware |