EXHIBIT (21) SUBSIDIARIES OF THE COMPANY PacifiCorp Holdings, Inc., a wholly-owned subsidiary of the Company and a Delaware corporation, has the following subsidiaries: Approximate Percentage State or of Voting Jurisdiction of Securities Incorporation or Name of Subsidiary Owned Organization - ------------------ ----------- ---------------- PACE GROUP, Inc. . . . . . . . . . . . . . . . . 100% Oregon PacifiCorp Energy, Inc.. . . . . . . . . . . . . 100% Oregon PacifiCorp Financial Services, Inc.. . . . . . . 100% Oregon Pacific Harbor Capital, Inc.. . . . . . . . . . 100% Delaware Pacific Relocation Service Company. . . . . . . 100% Oregon PacifiCorp Capital, Inc.. . . . . . . . . . . . 100% Virginia PacifiCorp Credit, Inc. . . . . . . . . . . . . 100% Oregon Pacific Generation Company . . . . . . . . . . . 100% Oregon Energy National, Inc. . . . . . . . . . . . . . 100% Utah ONSITE Energy, Inc. . . . . . . . . . . . . . . 100% Oregon PacifiCorp Kentucky Energy Company . . . . . . . 100% Oregon PacifiCorp Power Marketing, Inc. . . . . . . . . 100% Oregon Pacific Telecom, Inc.. . . . . . . . . . . . . . 100% Washington PacifiCorp Trans, Inc. . . . . . . . . . . . . . 100% Oregon Pan Pacific Global Corporation . . . . . . . . . 100% Oregon PacifiCorp Australia LLC. . . . . . . . . . . . 80%* Oregon PacifiCorp Australia Pty. Ltd. . . . . . . . 100% Australia Powercor Australia Limited . . . . . . . . 100% Australia Hazelwood Australia, Inc. . . . . . . . . . . . 100%** Oregon __________ *Remaining 20% owned by another wholly owned subsidiary of PacifiCorp Holdings, Inc. **Owns 19.9% interest in Hazelwood Power Partnership indirectly through two wholly owned subsidiaries. Pacific Telecom, Inc., a 100% owned subsidiary of PacifiCorp Holdings, Inc., and a Washington corporation, has the following subsidiaries: Approximate Percentage State or of Voting Jurisdiction of Securities Incorporation or Name of Subsidiary Owned Organization - ------------------ ----------- ---------------- Cascade Autovon Company. . . . . . . . . . . . . 100% Washington Eagle Telecommunications, Inc./Colorado. . . . . 100% Colorado Eagle Valley Communications Corporation. . . . . 100% Colorado Gem State Utilities Corporation. . . . . . . . . 96% Idaho S-3 Approximate Percentage State or of Voting Jurisdiction of Securities Incorporation or Name of Subsidiary Owned Organization - ------------------ ----------- ---------------- Inter Island Telephone Company, Inc. . . . . . . 100% Washington International Communications Holdings, Inc.. . . 100% Delaware MUI Corp.. . . . . . . . . . . . . . . . . . . . 100% Oregon Northland Telephone Company. . . . . . . . . . . 100% Minnesota North-West Telephone Company . . . . . . . . . . 100% Wisconsin Northwestern Telephone Systems, Inc. . . . . . . 99% Oregon Pacific Telecom Cable, Inc.. . . . . . . . . . . 80% Delaware Pacific Telecom Cellular, Inc. . . . . . . . . . 100% Delaware Pacific Telecom Cellular of Alaska, Inc.. . . . 100% Alaska Pacific Telecom Cellular of Michigan, Inc.. . . 100% Michigan Pacific Telecom Cellular of Oregon, Inc.. . . . 100% Oregon Pacific Telecom Cellular of South Dakota, Inc.. 100% South Dakota Pacific Telecom Cellular of Washington, Inc. . 100% Washington Pacific Telecom Cellular of Wisconsin, Inc. . . 100% Wisconsin Pacific Telecom Service Company. . . . . . . . . 100% Washington Pacific Telecom Transmission Services, Inc.. . . 100% Oregon PTI Entertainment, Inc.. . . . . . . . . . . . . 100% Washington PTI Televideo, Inc.. . . . . . . . . . . . . . . 100% Wisconsin Postville Telephone Company. . . . . . . . . . . 100% Wisconsin Telephone Utilities, Inc.. . . . . . . . . . . . 100% Washington Telephone Utilities of Alaska, Inc.. . . . . . . 100% Alaska Telephone Utilities of Eastern Oregon, Inc.. . . 100% Oregon Telephone Utilities of Northland, Inc. . . . . . 100% Alaska Telephone Utilities of Oregon, Inc.. . . . . . . 100% Oregon Telephone Utilities of Washington, Inc.. . . . . 100% Washington Telephone Utilities of Wyoming, Inc. . . . . . . 100% Wyoming WORLDVOX CORPORATION . . . . . . . . . . . . . . 100% Oregon The Company also has the following subsidiaries: Approximate Percentage State or of Voting Jurisdiction of Securities Incorporation or Name of Subsidiary Owned Organization - ------------------ ----------- ---------------- Centralia Mining Company . . . . . . . . . . . . 100% Washington Energy West Mining Company . . . . . . . . . . . 100% Utah Glenrock Coal Company. . . . . . . . . . . . . . 100% Wyoming Interwest Mining Company . . . . . . . . . . . . 100% Oregon Pacific Minerals, Inc. . . . . . . . . . . . . . 100% Wyoming Bridger Coal Company, a joint venture. . . . . 66.67% Wyoming S-4