CALIFORNIA ENERGY COMPANY, INC. Exhibit 21.0 SUBSIDIARIES 1. Coso Hotsprings Intermountain Power, Inc. 2. China Lake Operating Co. 3. Coso Technology Corporation 4. China Lake Geothermal Management Company 5. China Lake Plant Services, Inc. 6. Coso Hotsprings Overland Power, Inc. 7. CE Geothermal, Inc. 8. Western States Geothermal Company 9. Intermountain Geothermal Company 10. California Energy Development Corporation 11. California Energy Yuma Corporation 12. Yuma Cogeneration Associates 13. Rose Valley Properties, Inc. 14. The Ben Holt Co. 15. CBE Engineering Co. 16. CE Exploration Company 17. CE Newberry, Inc. 18. California Energy International Services, Inc. 19. CE International Investments Ltd. 20. CE Philippines Ltd. 21. Ormat Cebu Ltd. 22. CE Cebu Geothermal Power Company, Inc. 23. CE Indonesia Ltd. 24. CE Mahanagdong Ltd. 25. CE Casecnan Ltd. 26. CE Singapore Ltd. 27. California Energy International Ltd. 28. CE Casecnan Water and Energy Company, Inc. 29. CE Bali Ltd. 30. Magma Power Company 31. Magma Operating Company 32. Salton Sea Power Company 33. Vulcan Power Company 34. Imperial Magma 35. Magma Land Company I 36. Desert Valley Company 37. Fish Lake Power Company 38. Magma Netherlands, B.V. 39. Visayas Geothermal Power Company 40. Salton Sea Brine Processing L.P. 41. Salton Sea Power Generation L.P. JOINT VENTURES 1. Coso Energy Developers 2. Coso Finance Partners 3. Coso Power Developers 4. Coso Funding Corp. 5. Coso Transmission Line Partners 6. Coso Finance Partners II 7. China Lake Joint Venture 8. Coso Land Company 9. Coso Geothermal Company 10. CE Luzon Geothermal Power Company, Inc. 11. Himpurna California Energy Ltd. 12. Patuha Power, Ltd. 13. Bali Energy Ltd. 14. Vulcan/BN Geothermal Power Company 15. Del Ranch, L.P. 16. Leathers, L.P. 17. Elmore, L.P.