EX-21 9 v06075exv21.txt EXHIBIT 21 . . . EXHIBIT 21 Avista Corporation SUBSIDIARIES OF REGISTRANT
State or Country Subsidiary of Incorporation ----------------------------------------- ------------------ Avista Capital, Inc. Washington Avista Advantage, Inc. Washington Avista Development, Inc. Washington Avista Energy, Inc. Washington Avista Energy Canada LTD Canada CoPac Management, Inc. Canada Avista Power, LLC Washington Avista Rathdrum, LLC Washington Coyote Springs 2, LLC Delaware Rathdrum Power, LLC Idaho Avista Ventures, Inc. Washington Pentzer Corporation Washington Bay Area Manufacturing, Inc. Washington Advanced Manufacturing and Development, Inc. California Avista Receivables Corporation Washington WP Funding LP Delaware Avista Capital II Delaware AVA Capital Trust III Delaware Spokane Energy, LLC Delaware