Exhibit 21

CONSOL Energy Inc.

SUBSIDIARIES

As of February 9, 2024

(In alphabetical order)

AMVEST Gas Resources, LLC (a Virginia limited liability     company)	CONSOL Pennsylvania Mine Holding LLC (a Delaware     limited liability company)
AMVEST LLC (a Virginia limited liability company)	CONSOL RCPC LLC (a Delaware limited liability company)
AMVEST West Virginia Coal, L.L.C. (a West Virginia limited     liability company)	Consol Thermal Holdings LLC (a Delaware limited     liability company)
Braxton-Clay Land & Mineral, LLC (a West Virginia limited     liability company)	Fola Coal Company, L.L.C. d/b/a Powellton Coal Company     (a West Virginia limited liability company)
CFOAM LLC (a Delaware limited liability company)	Helvetia Coal Company LLC (a Pennsylvania limited liability     company)
Conrhein Coal Company (a Pennsylvania general partnership)	Island Creek Coal Company LLC (a Delaware limited liability     company)
CONSOL Amonate Facility LLC (a Delaware limited liability     company)	Itmann Mining Company LP (a Delaware limited partnership)
CONSOL Amonate Mining Company LLC (a Delaware limited     liability company)	Laurel Run Mining Company LLC (a Virginia limited liability     company)
CONSOL Coal Finance Corp. (a Delaware corporation)	Leatherwood, LLC (a Pennsylvania limited liability company)
CONSOL Energy Canada Ltd. (a Canadian corporation)	Little Eagle Coal Company, L.L.C. (a West Virginia limited     liability company)
CONSOL Energy Sales Company LLC (formerly CONSOL     Sales Company) (a Delaware limited liability company)	MTB LLC (a Delaware limited liability company)
CONSOL Financial Inc. (a Delaware corporation)	Nicholas-Clay Land & Mineral, LLC (a Virginia limited     liability company)
CONSOL Funding LLC (a Delaware limited liability company)	PA Mining Complex GP LLC (a Delaware limited liability     company)
CONSOL Innovations LLC (a Delaware limited liability     company)	PA Mining Complex LP (a Delaware limited partnership)
CONSOL Marine Terminals LLC (a Delaware limited liability     company)	R&PCC LLC (a Pennsylvania limited liability company)
CONSOL Met Coal Holding Company LLC (a Delaware     limited liability company)	TECPART LLC (a Delaware limited liability company)
CONSOL Mining Company LLC (a Delaware limited liability     company)	Terry Eagle Coal Company, L.L.C. (a West Virginia limited     liability company)
CONSOL Mining Holding Company LLC (a Delaware limited     company)	Terry Eagle Limited Partnership (a West Virginia limited     partnership)
CONSOL of Canada LLC (a Delaware limited liability company)	Transformer LP Holdings Inc. (a Delaware corporation)
CONSOL of Kentucky LLC (a Delaware limited liability     company)	Vaughan Railroad Company LLC (a West Virginia limited     liability company)
CONSOL Operating LLC (a Delaware limited liability company)	Windsor Coal Company LLC (a West Virginia limited liability     company)
Consol Pennsylvania Coal Company LLC (formerly Consol     Pennsylvania Coal Company) (a Delaware limited liability     company)	Wolfpen Knob Development Company LLC (a Virginia limited     liability company)