EXHIBIT 21.1 SUBSIDIARIES OF CALPINE CORPORATION AS OF DECEMBER 31, 2003, AT LEAST 50% OWNED BY CALPINE CORPORATION 1066917 Ontario Inc. Ontario 985365 Alberta Ltd. Alberta Acadia Partners Pipeline, LLC Louisiana Acadia Power Partners, LLC Delaware Addis Energy Center, LLC Delaware Amelia Energy Center, LP Delaware Anacapa Land Company, LLC Delaware Anderson Springs Energy Company California Androscoggin Energy, Inc. Illinois Auburndale GP, LLC Delaware Auburndale Holdings, LLC Delaware Auburndale LP, LLC Delaware Auburndale Peaker Energy Center, LLC Delaware Auburndale Power Partners, Limited Partnership Delaware Augusta Development Company, LLC Delaware Aviation Funding Corp. Delaware Bayou Verret Energy LLC Delaware Baytown Energy Center, LP Delaware Baytown Power GP, LLC Delaware Baytown Power, LP Delaware Bellingham Cogen, Inc. California Berrien Energy Center, LLC Delaware Bethpage Cogeneration Limited Partnership Delaware Bethpage Energy Center 3, LLC Delaware Bethpage Fuel Management Inc. Delaware Blue Heron Energy Center, LLC Delaware Blue Spruce Energy Center, LLC Delaware Broad River Energy LLC Delaware Broad River Holdings, LLC Delaware Calgary Energy Centre ULC Nova Scotia CCFC II Equipment Finance Company, LLC Delaware CCFC II Equipment Finance Holdings, LLC Delaware CCFC II Development Company, LLC Delaware CCFC II Project Equipment Finance Company One, LLC Delaware CCFC II Project Equipment Finance Company Three, LLC Delaware CCFC II Project Equipment Finance Company Two, LLC Delaware Calpine Acadia Holdings, LLC Delaware Calpine Administrative Services Company, Inc. Delaware Calpine Agnews, Inc. California Calpine Amelia Energy Center GP, LLC Delaware Calpine Amelia Energy Center LP, LLC Delaware Calpine Auburndale Holdings, LLC Delaware Calpine Auburndale, LLC Delaware Calpine Baytown Energy Center GP, LLC Delaware Calpine Baytown Energy Center LP, LLC Delaware Calpine c*Power, Inc. Delaware Calpine CCFC II Holdings, Inc. Delaware Calpine California Development Company, LLC Delaware Calpine California Energy Finance, LLC Delaware Calpine California Equipment Finance Company, LLC Delaware Calpine California Holdings, Inc. Delaware Calpine Calistoga Holdings, LLC Delaware 1 of 8 Calpine Canada Energy Finance ULC Nova Scotia Calpine Canada Energy Finance II ULC Nova Scotia Calpine Canada Energy Ltd. Nova Scotia Calpine Canada Natural Gas Partnership Alberta Calpine Canada Power Ltd. Alberta Calpine Canada Resources Company Alberta Calpine Canada TriGas, Ltd. Alberta Calpine Canada Whitby Holdings Company Alberta Calpine Capital Trust Delaware Calpine Capital Trust II Delaware Calpine Capital Trust III Delaware Calpine Capital Trust IV Delaware Calpine Capital Trust V Delaware Calpine CCFC GP, Inc. Delaware Calpine CCFC Holdings, Inc. Delaware Calpine CCFC LP, Inc. Delaware Calpine Central Texas GP, Inc. Delaware Calpine Central, Inc. Delaware Calpine Central, L.P. Delaware Calpine Central-Texas, Inc. Delaware Calpine Channel Energy Center GP, LLC Delaware Calpine Channel Energy Center LP, LLC Delaware Calpine Clear Lake Energy GP, LLC Delaware Calpine Clear Lake Energy, LP Delaware Calpine Cogeneration Corporation Delaware Calpine Construction Finance Company II, LLC Delaware Calpine Construction Finance Company, L.P. Delaware Calpine Construction Management Company, Inc. Delaware Calpine Corpus Christi Energy GP, LLC Delaware Calpine Corpus Christi Energy, LP Delaware Calpine Decatur Pipeline, Inc. Delaware Calpine Decatur Pipeline, L.P. Delaware Calpine Development Holdings, Inc. Delaware Calpine East Fuels, Inc. Delaware Calpine Eastern Corporation Delaware Calpine Edinburg, Inc. Delaware Calpine Energy Centre L.P. Alberta Calpine Energy Finance Luxembourg S.a.r.l. Luxembourg Calpine Energy Holdings Limited Alberta Calpine Energy Services Canada Ltd. Alberta Calpine Energy Services Canada Partnership Alberta Calpine Energy Services Holdings, Inc. Delaware Calpine Energy Services UK Limited United Kingdom Calpine Energy Services, L.P. Delaware Calpine European Finance LLC Delaware Calpine Finance Company Delaware Calpine Foundation Delaware Calpine Freestone Energy GP, LLC Delaware Calpine Freestone Energy, LP Delaware Calpine Freestone, Inc. Delaware Calpine Fuels Corporation Delaware Calpine Fuels Texas Limited Partnership Texas Calpine Construction Finance Company II, LLC Delaware Calpine/Gentex Lost Pines, LP Texas Calpine Geysers Company, L.P. Delaware Calpine Gilroy 1, Inc. Delaware 2 of 8 Calpine Gilroy 2, Inc. Delaware Calpine Gilroy Cogen, L.P. Delaware Calpine Global Investments, S.L. Spain Calpine Global Services Company, Inc. Delaware Calpine Gordonsville GP Holdings, LLC Delaware Calpine Gordonsville I, Inc. Delaware Calpine Gordonsville LP Holdings, LLC Delaware Calpine Gordonsville, Inc. Delaware Calpine Greenleaf Holdings, Inc. Delaware Calpine Greenleaf, Inc. Delaware Calpine Hermiston, LLC Delaware Calpine Hidalgo Design, L.P. Delaware Calpine Hidalgo Energy Center, L.P. Texas Calpine Hidalgo Holdings, Inc. Delaware Calpine Hidalgo Power GP, LLC Delaware Calpine Hidalgo Power, LP Delaware Calpine Hidalgo, Inc. Delaware Calpine International Holdings, Inc. Delaware Calpine International Indonesia B.V. The Netherlands Calpine International Investment B.V. The Netherlands Calpine Island Cogeneration Project, Inc. Canada Calpine Jersey Cogen, Inc. Delaware Calpine Kennedy Airport, Inc. Delaware Calpine Kennedy Operators Inc. New York Calpine KIA, Inc. New York Calpine King City Cogen Inc. California Calpine King City, Inc. Delaware Calpine King City, LLC Delaware Calpine Leasing Inc. Delaware Calpine Long Island, Inc. Delaware Calpine Lost Pines Operations, Inc. Delaware Calpine Louisiana Pipeline Company Delaware Calpine Magic Valley Pipeline, Inc. Delaware Calpine Magic Valley Pipeline, L.P. Delaware Calpine Marketing LLC Delaware Calpine Monterey Cogeneration, Inc. Delaware Calpine Morris, LLC Delaware Calpine MVP, Inc. Delaware Calpine Natural Gas GP, LLC Delaware Calpine Natural Gas Holdings Limited Alberta Calpine Natural Gas Holdings, LLC Delaware Calpine Natural Gas L.P. Delaware Calpine Natural Gas Services Limited Alberta Calpine NCTP GP, LLC Delaware Calpine NCTP, LP Delaware Calpine Newark, LLC Delaware Calpine Northbrook Corporation of Maine, Inc. Illinois Calpine Northbrook Energy Holdings, LLC Delaware Calpine Northbrook Energy Marketing, LLC Delaware Calpine Northbrook Energy, LLC Delaware Calpine Northbrook Holdings Corporation Delaware Calpine Northbrook Investors, LLC Delaware Calpine Northbrook Project Holdings, LLC Delaware Calpine Northbrook Services, LLC Delaware Calpine Northbrook Southcoast Investors, LLC Delaware Calpine NTC, LP Delaware 3 of 8 Calpine Oneta Power I, LLC Delaware Calpine Oneta Power II, LLC Delaware Calpine Oneta Power, L.P. Delaware Calpine Operating Management Company, Inc. Delaware Calpine Operating Services Company, Inc. Delaware Calpine Parlin, LLC Delaware Calpine Pasadena Cogeneration, Inc. Delaware Calpine Pasadena Energy GP, LLC Delaware Calpine Pasadena Energy, LP Delaware Calpine Pastoria Holdings, LLC Delaware Calpine Peaker Holdings 2, LLC Delaware Calpine Peaker Holdings, LLC Delaware Calpine Philadelphia, Inc. Delaware Calpine Pittsburg, LLC Delaware Calpine Power Company California Calpine Power Equipment LP Texas Calpine Power Management, Inc. Delaware Calpine Power Management, LP Texas Calpine Power Services, Inc. Delaware Calpine Power, Inc. Virginia Calpine PowerAmerica, Inc. Delaware Calpine PowerAmerica, LP Texas Calpine PowerAmerica-CA, LLC Delaware Calpine PowerAmerica-MA, LLC Delaware Calpine PowerAmerica-ME, LLC Delaware Calpine PowerAmerica-OR, LLC Delaware Calpine PowerAmerica-PA, LLC Delaware Calpine Producer Services, L.P. Texas Calpine Project Holdings, Inc. Delaware Calpine Project Investments, Inc. California Calpine Pryor, Inc. Delaware Calpine Rumford I, Inc. Delaware Calpine Rumford, Inc. Delaware Calpine Rumford, LP Delaware Calpine Schuylkill, Inc. Delaware Calpine Siskiyou Geothermal Partners, L.P. California Calpine Sonoma, Inc. California Calpine Sonoran Pipeline LLC Delaware Calpine Stony Brook Operators, Inc. New York Calpine Stony Brook Power Marketing, LLC Delaware Calpine Stony Brook, Inc. New York Calpine Sumas, Inc. California Calpine TCCL Holdings, Inc. Delaware Calpine Texas Cogeneration, Inc. Delaware Calpine Texas Pipeline GP, Inc. Delaware Calpine Texas Pipeline LP, Inc. Delaware Calpine Texas Pipeline, L.P. Delaware Calpine Thermal Power, Inc. California Calpine Tiverton I, Inc. Delaware Calpine Tiverton, Inc. Delaware Calpine UK Energy Finance Public Limited Company United Kingdom Calpine UK Holdings Limited United Kingdom Calpine UK Operations Limited United Kingdom Calpine ULC I Holding, LLC Delaware Calpine University Power, Inc. Delaware Calpine Vapor, Inc. California 4 of 8 Calpine Westbrook, LLC Delaware Carville Energy LLC Delaware CCFC Development Company, LLC Delaware CCFC Equipment Finance Company, LLC Delaware CCFC Finance Corp. Delaware CCFC Project Equipment Finance Company One, LLC Delaware Celtic Power Corporation Delaware CES GP, LLC Delaware CES Marketing II, LLC Delaware CES Marketing III, LLC Delaware CES Marketing IV, L.P. Delaware CES Marketing V, L.P. Delaware CG Cogen, LLC Delaware CGC Dighton, LLC Delaware Channel Energy Center, LP Delaware Channel Power GP, LLC Delaware Channel Power, LP Delaware Chippokes Energy Center, LLC Delaware Clear Lake Cogeneration Limited Partnership Texas Cloverdale Geothermal Energy Partners LLC California CNEM Holdings, LLC Delaware CogenAmerica Asia Inc. Delaware CogenAmerica Parlin Supply Corp. Delaware Columbia Energy LLC Delaware Corpus Christi Cogeneration L.P. Delaware CPN 3rd Turbine, Inc. Delaware CPN Acadia, Inc. Delaware CPN Aidlin, Inc. Delaware CPN Berks Generation, Inc. Delaware CPN Berks, LLC Delaware CPN Bethpage 3rd Turbine, Inc. Delaware CPN Cascade, Inc. Delaware CPN Clear Lake, Inc. Delaware CPN Decatur Pipeline, Inc. Delaware CPN Delta Holdings LLC Delaware CPN East Fuels, LLC Delaware CPN Energy Services GP, Inc. Delaware CPN Energy Services LP, Inc. Delaware CPN Freestone, Inc. Delaware CPN Funding, Inc. Delaware CPN Haywood Holdings, LLC Delaware CPN Hermiston, LLC Delaware CPN Insurance Corporation Hawaii CPN Morris, Inc. Delaware CPN Oxford, Inc. Delaware CPN Pipeline Company Delaware CPN Pleasant Hill Operating, LLC Delaware CPN Pleasant Hill, LLC Delaware CPN Power Services GP, LLC Delaware CPN Power Services, LP Delaware CPN Pryor Funding Corporation Delaware CPN Telephone Flat, Inc. Delaware CPN Texas Central Fuels, L.P. Texas Creed Energy Center, LLC Delaware DEC Holdings, LLC Delaware Decatur Energy Center, LLC Delaware 5 of 8 DEC-LMEC Pipeline, LLC Delaware Deer Park Power GP, LLC Delaware Deer Park Power, LP Delaware Delta Energy Center, LLC Delaware Dighton Power Associates Limited Partnership Massachusetts East Altamont Energy Center, LLC Delaware Energypro Construction Partners New York Feather River Energy Center, LLC Delaware Fergas S.r.L. Italy Fond du Lac Energy Center, LLC Wisconsin Fox Energy Company LLC Wisconsin Freestone Power Equipment, LP Texas Freestone Power Generation LP Texas GEC Bethpage Inc. Delaware GEC Holdings, LLC Delaware Geothermal Energy Partners LLC California Geysers Power Company II, LLC Delaware Geysers Power Company, LLC Delaware Geysers Power I Company Delaware Gilroy Energy Center, LLC Delaware Goldendale Energy Center, LLC Delaware Goose Haven Energy Center, LLC Delaware Gordonsville Energy, L.P. Delaware Greys Ferry Cogeneration Partnership Pennsylvania Hammond Energy LLC Delaware Haywood Energy Center, LLC Delaware Healdsburg Energy Company, L.P. California Hermiston Power Partnership Oregon Hillabee Energy Center, LLC Delaware Idlewild Fuel Management Corp. Delaware Inland Empire Energy Center, LLC Delaware JMC Bethpage, Inc. Delaware JOQ Canada, Inc. Delaware KIAC Partners New York King City Energy Center, LLC Delaware King City Holdings, LLC Delaware Lake Wales Energy Center, LLC Delaware Lambie Energy Center, LLC Delaware Lawrence Energy Center, LLC Delaware Lone Oak Energy Center, LLC Delaware Los Esteros Critical Energy Facility, LLC Delaware Los Medanos Energy Center LLC Delaware Magic Valley Gas Pipeline GP, LLC Delaware Magic Valley Gas Pipeline, LP Delaware MEP Pleasant Hill, LLC Delaware Moapa Energy Center, LLC Delaware Mobile Energy L L C Delaware Modoc Power, Inc. California Morgan Energy Center, LLC Delaware Mount Hoffman Geothermal Company, L.P. California Mt. Vernon Energy LLC Delaware Nissequogue Cogen Partners New York Northwest Cogeneration, Inc. California NTC Five, Inc. Delaware NTC GP, LLC Delaware 6 of 8 Nueces Bay Energy LLC Delaware O.L.S. Energy-Agnews, Inc. Delaware Odyssey Land Acquisition Company Delaware Otay Mesa Energy Center, LLC Delaware Paducah Energy Center, LLC Delaware Pajaro Energy Center, LLC Delaware Palmetto Energy Center, LLC Delaware Pasadena Cogeneration L.P. Delaware Pastoria Energy Facility L.L.C. Delaware Phipps Bend Energy Center, LLC Delaware Pine Bluff Energy, LLC Delaware Polsky SCQ Services, Inc. aka Quebec "Les Services Polsky SCQ Inc." Power Contract Financing, L.L.C. Delaware Power Investors, L.L.C. Wisconsin Power Systems MFG., LLC Delaware Quintana Canada Holdings, LLC Delaware Quintana Minerals (USA) Inc. Delaware Riverside Energy Center, LLC Wisconsin Riverview Energy Center, LLC Delaware RockGen Energy LLC Wisconsin Rocky Mountain Energy Center, LLC Delaware Rumford Power Associates Limited Partnership Maine Russell City Energy Center, LLC Delaware Saltend Cogeneration Company Limited United Kingdom San Joaquin Valley Energy Center, LLC Delaware Santa Rosa Energy Company California Silverado Geothermal Resources, Inc. California Sonoma Geothermal Partners, L.P. California South Point Energy Center, LLC Delaware South Point Holdings, LLC Delaware Stony Brook Cogeneration, Inc. Delaware Stony Brook Fuel Management Corp. Delaware Sutter Dryers, Inc. California Tahoma Energy Center, LLC Delaware TBG Cogen Partners New York Texas City Cogeneration, L.P. Texas Texas Cogeneration Company Delaware Texas Cogeneration Five, Inc. Delaware Texas Cogeneration One Company Delaware Thermal Power Company California Thomassen Services Australia Pty Ltd. Australia Thomassen Turbine Systems B.V. The Netherlands Thompson Creek Energy LLC Delaware Tiverton Power Associates Limited Partnership Rhode Island Towantic Energy, L.L.C. Delaware Turner Energy Center, LLC Delaware Valladolid International Investments, S. de R.L. de C.V. Mexico Venture Acquisition Company Delaware Vineyard Energy Center, LLC Delaware Waterford Energy Center, LLC Delaware Watsonville Energy Center, LLC Delaware Wawayanda Energy Center, LLC Delaware Westbrook Energy Center, LLC Delaware Westbrook, L.L.C. Delaware Whatcom Cogeneration Partners, L.P. Delaware 7 of 8 Whitby Cogeneration Limited Partnership Canada Wolfskill Energy Center, LLC Delaware Yuba City Energy Center, LLC Delaware Zion Energy LLC Delaware 8 of 8