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Exhibit 21.1
Subsidiaries of Talen Energy Corporation

NameJurisdiction
Brandon Shores LLCDelaware
Brunner Island, LLCDelaware
Camden Plant Holding, L.L.C.Delaware
Colstrip Comm Serv, LLCDelaware
Cumulus Coin LLCDelaware
Cumulus Data LLCDelaware
Cumulus Digital LLCDelaware
Cumulus Digital Holdings LLCDelaware
Cumulus Growth Holdings LLCDelaware
Cumulus Real Estate Holdings LLCDelaware
Cumulus Renewables Holdings LLCDelaware
Cumulus Texas Renewables LLCDelaware
Dartmouth Plant Holding, LLCDelaware
Dartmouth Power Associates Limited PartnershipMassachusetts
Dartmouth Power Generation, L.L.C.Delaware
Dartmouth Power Holding Company, L.L.C.Delaware
Fort Armistead Road – Lot 15 Landfill, LLCDelaware
H.A. Wagner LLCDelaware
Holtwood, LLCDelaware
Lady Jane Collieries, Inc.Pennsylvania
Liberty View Power, L.L.C.Delaware
LMBE Project Company LLCDelaware
MC OpCo LLCDelaware
MC Project Company LLCDelaware
Montana Growth Holdings LLCDelaware
Montour, LLCDelaware
Morris Energy Operations Company, LLCDelaware
Nautilus Cryptomine LLCDelaware
Newark Bay Cogeneration Partnership, L.P.New Jersey
Newark Bay Holding Company, L.L.C.Delaware
Noria Hondo Solar LLCDelaware
NorthEast Gas Generation Holdings, LLCDelaware
Pennsylvania Mines, LLCDelaware
Raven FS Property Holdings LLCDelaware
Raven Lot 15 LLCDelaware
Raven Power Finance LLCDelaware
Raven Power Fort Smallwood LLCDelaware
Raven Power Generation Holdings LLCDelaware
Raven Power Group LLCDelaware
Raven Power Property LLCDelaware
RMGL Holdings LLCDelaware
Sapphire Power Generation Holdings LLCDelaware
1


NameJurisdiction
Silverthorn Solar LLCDelaware
Susquehanna Nuclear, LLCDelaware
Talen Conemaugh LLCDelaware
Talen Energy Marketing, LLCPennsylvania
Talen Energy Services Group, LLCDelaware
Talen Energy Services Holdings, LLCDelaware
Talen Energy Supply, LLCDelaware
Talen Generation, LLCDelaware
Talen KeyCon Holdings LLCDelaware
Talen Keystone LLCDelaware
Talen Land Holdings, LLCPennsylvania
Talen MCR Holdings LLCDelaware
Talen Montana, LLCDelaware
Talen Montana Holdings, LLCDelaware
Talen NE LLCDelaware
Talen Technology Ventures LLCDelaware
Talen Treasure State, LLCDelaware
The Riverlands Recreation Area LLCDelaware
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