Our members have invested several billion dollars in building thermal and renewable power plants in Idaho, Oregon and Washington totaling over 4500 megawatts. IPPs working in the region have an equal amount of capacity permitted or under development.

Calpine Corp.

Constellation Exelon




EDF Renewable Energy

EDP Renewables

Geronimo Energy

Invenergy LLC

Morgan Stanley

NewSun Energy

Obsidian Renewables

Perennial Power Holdings, Inc.

Shell Energy North America

Sierra Pacific Industries

TransAlta Energy Marketing, Inc.

Tyr Energy

Associate Companies

Beveridge & Diamond

Bracewell LLP

Sapere Consulting