EX-21 5 ava-20121231xex21.htm SUBSIDIARIES OF REGISTRANT AVA-2012.12.31-Ex21


Exhibit 21

AVISTA CORPORATION

SUBSIDIARIES OF REGISTRANT

Subsidiary
State or Country
of Incorporation
Avista Capital, Inc.
Washington
Ecova, Inc.
Washington
Avista Development, Inc.
Washington
Avista Energy, Inc.
Washington
Avista Northwest Resources, LLC
Washington
Pentzer Corporation
Washington
Pentzer Venture Holding II, Inc.
Washington
Bay Area Manufacturing, Inc.
Washington
Advanced Manufacturing and Development, Inc.
California
Avista Capital II
Delaware
Spokane Energy, LLC
Delaware
Steam Plant Square, LLC
Washington
Steam Plant Brew Pub, LLC
Washington
Courtyard Office Center, LLC
Washington