IMESA (International Motor Engineering and Savings Analysis software tool Copyright 2005 International Copper Association, Ltd. and Washington State University Energy Program provides industrial users of motor systems with greater access to performance and decision making information concerning energy efficient motors systems.

The software was developed as a joint effort of Natural Resources America, Corporacion Nacional del Cobre de Chile Codelco, the European Community – JRC, the UK Action Energy (Carbon Trust), the US Department of Energy, and the International Copper Association. LBNL represents the US Department of Energy on the Project Steering Committee.