EXHIBIT 21.1 CECI SUBSIDIARIES Coso Hotsprings Intermountain Power, Inc. (CHIP) Incorporated in Delaware Capital Stock: Owned 100% by CECI Coso Energy Developers (CED) Formed in California General Partnership: 48% CHIP; 52% Caithness Coso Holdings, L.P. China Lake Operating Co. (CLOC) Incorporated in Delaware Capital Stock: Owned 100% by CECI Coso Finance Partners (CFP) Formed in California General Partnership: 46.3% owned by CLOC; 53.7% owned by ESCA I, L.P. Coso Technology Corporation (CTC) Incorporated in Delaware Capital Stock: Owned 100% by CECI Coso Power Developers (CPD) Formed in California General Partnership: 50% owned by CTC; 50% by Caithness Navy II Group, L.P. Coso Funding Corp. (CFC) Incorporated in Delaware General Partnership: Owned 33% by CFP; 35% by CPD; 32% by CED Coso Transmission Line Partners (CTLP) Formed in California General Partnership: Owned 50% by CED; 50% by CPD China Lake Geothermal Management Company (CLGMC) Incorporated in Delaware Capital Stock: Owned 100% by CECI Coso Finance Partners II (CFP II) Formed in California General Partnership: Owned 50% by CLGMC, 50% by ESCA II, L.P. China Lake Plant Services, Inc. (CLPSI) Incorporated in California Capital Stock: Owned 100% by CECI Coso Land Company (CLC) Formed in California General Partnership: Owned 50% by CECI; 50% by Caithness Geothermal 1980, Ltd. China Lake Joint Venture (CLJV) Formed in California General Partnership: Owned 50% by CECI; 50% by Caithness Geothermal 1980, Ltd. Coso Geothermal Company (CGC) Formed in California General Partnership: Owned 50% by CLC; 16% by CECI Coso Hotsprings Overland Power, Inc. (CHOP) Incorporated in Delaware Capital Stock: Owned 100% by CECI CE Geothermal, Inc. (CEG) Incorporated in Delaware Capital Stock: Owned by 100% by CECI Western States Geothermal Company (WSG) Incorporated in Delaware Capital Stock: Owned 100% by CECI Intermountain Geothermal Company (IGC) Incorporated in Delaware Capital Stock: Owned 100% by CECI CE CIS-FSU, Inc. (CCF) Incorporated in Delaware Capital Stock: Owned 100% by CECI California Energy Development Corporation (CEDC) Incorporated in Delaware Capital Stock: Owned 100% by CECI California Energy Yuma Corporation (CEYC) Incorporated in Utah Capital Stock: Owned 100% by CEDC Yuma Cogeneration Associates (YCA) Formed in Utah General Partnership: Owned 50% by CEDC; 50% By CEYC Rose Valley Properties, Inc. (RVP) Incorporated in Delaware Capital Stock: Owned 100% by CECI The Ben Holt Co. (BHC) Incorporated in Delaware Capital Stock: Owned 100% by CECI CBE Engineering Co. (CBC) Incorporated in Delaware Capital Stock: Owned 100% by CECI Kennebec Construction, Co. (KCC) Incorporated in California Capital Stock: Owned 100% by BHC The Ben Holt International Co., Inc. (BHIC) Incorporated in Delaware Capital Stock: Owned 100% by BHC CE Exploration Company (CEX) Incorporated in Delaware Capital Stock: Owned 100% by CECI CE Newberry, Inc. (CEN) Incorporated in Delaware Capital Stock: Owned 100% by CECI CE Humboldt, Inc. (CEH) Incorporated in Delaware Capital Stock: Owned 100% by CECI California Energy International Services, Inc. (CEISI) Incorporated in Delaware Capital Stock: Owned 100% by CECI American Pacific Finance Company (APFC) Incorporated in Delaware Capital Stock: Owned 100% by CECI California Energy General Corporation (CEGC) Incorporated in Delaware Capital Stock: Owned 100% by CECI CE Acquisition Company, Inc. Incorporated in Delaware Capital Stock: Owned 100% by CECI CE International Investments Ltd. (CEII) Incorporated in Bermuda Capital Stock: Owned 100% by CECI CE Mahanagdong Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII CE Luzon Geothermal Power Company, Inc. Incorporated in the Philippines Capital Stock: Owned 50% by CE Mahanagdong Ltd.; 50% by Kiewit Energy International (Bermuda) Ltd; an industrial company has the right to acquire 10% of the equity - 5% from CE Mahanagdong Ltd. and 5% from Kiewit Energy International (Bermuda) Ltd. CE Philippines Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII Ormat Cebu Ltd. Incorporated in Bermuda Capital Stock: Owned 48% by CEII; 52% by CE Philippines Ltd. CE Cebu Geothermal Power Company, Inc. Incorporated in the Philippines Capital Stock: Owned 52% by Ormat Cebu Ltd.; 48% by CE Philippines Ltd. CE Indonesia Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII Himpurna California Energy Ltd. Incorporated in Bermuda Capital Stock: Owned 90% by CE Indonesia Ltd., 10% by P.T. Himpurna Enersindo Abadi; California Energy International Ltd. has an option to acquire an interest in P.T. Himpurna or its project company shares equal to up to 4% of the project company; under the Joint Operating Contract, Pertamina has certain rights to acquire up to 25% interest in the Joint Operating Contract, but not under the Energy Sales Contract. CE Colombia Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII Bali Energy Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CE Bali Ltd. (P.T. Pandanwangi Sekartaji has the right to purchase up to 40% of the equity for this project) CE Casecnan Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII CE Latin America Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII Patuha Power, Ltd. Incorporated in Bermuda Capital Stock: Owned 90% by CE Singapore Ltd.; 10% by P.T. Enersindo Supra Abadi, P.T. Enersindo Supra Abadi has the right to acquire an additional 20% of the project equity in certain circumstances and for a limited time; under the Joint Operating Contract, Pertamina has certain rights to acquire up to a 25% interest in the Joint Operating Contract, but not under the Energy Sales Agreement. CE Singapore Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII California Energy International Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII CE Casecnan Water and Energy Company, Inc. Incorporated in the Philippines Capital Stock: Owned 100% by CE Casecnan Ltd.; La Prairie Group Contractors (International) Ltd. and San Lorenzo Ruiz Builders & Developers Group, Inc. each are entitled to a 15% equity interest CE Bali Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII CE Ijen Ltd. Incorporated in Bermuda Capital Stock: Owned 100% by CEII Kiewit Joint Venture Agreement Nebraska Contractual Joint Venture Parent has a right to 50% of covered international projects; Kiewit Diversified Group, Inc. and Kiewit Construction Group, Inc. have a right to a 50% participation in covered projects Certain of CECI's subsidiaries recently formed in Bermuda as offshore holding companies have not yet been fully capitalized, the capitalization of which taken together would not have a material adverse effect on CECI's results of operations.