EXHIBIT 21 SUBSIDIARIES OF REGISTRANTS IDACORP, Inc: 1. Idaho Power Company, an Idaho Corporation 2. Ida-West Energy Company, an Idaho Corporation 3. IDACORP Services Company, a Nevada Corporation, doing business as Idaho Power Services Company and IDACORP Solutions 4. Allied Utility Network, LLC., a Delaware Limited Liability Company* 5. IDACORP Energy Services Company, a Nevada Corporation 6. IDACORP Energy L.P., A Delaware Limited Partnership 7. IDACORP Technologies, Inc., an Idaho Corporation 8. IDATECH, LLC, an Oregon Limited Liability Company 9. Idaho Solar Power, LLC., a Washington Limited Liability Company 10. IDACORP Financial Services, Inc., an Idaho Corporation 11. IDACOMM, Inc., an Idaho Corporation 12. Velocitus, Inc., an Idaho Corporation Idaho Power Company 1. Idaho Energy Resources Company, a Wyoming Corporation 2. Pathnet/Idaho Power Equipment, LLC., a Delaware Limited Liability Company *Note: On October 31, 2001 this subsidiary was sold.