IIEC’s major clients include multilateral and bilateral institutions, governments, international organizations, and utilities across the globe.
Multilateral Institutions
- Asia Pacific Economic Cooperation Energy Group
- Asian Development Bank
- Common Fund for Commodities
- European Commission
- International Finance Corporation
- The World Bank
- United Nations Development Programme
- United Nations Division of Economic and Social Alliance
- United Nations Environment Programme
- United Nations Foundation
Bilateral Institutions
- Agence Française de Développement (AFD)
- Kreditanstalt für Wiederaufbau ( KfW)
Government Agencies
- U.K. Department for International Development
- U.S. Agency for International Development
- U.S. Department of Energy
- U.S. Environmental Protection Agency
- U.S. Asia Environmental Partnership
- Swiss State Secretariat for Economic Affairs (SECO)
Electric Utilities
- Electricity of Vietnam, Vietnam
- Bangalore Electricity Supply Company, India
- Maharashtra State Electricity Distribution Company Limited, India
- Reliance Energy Ltd, India
- Bombay Electricity Supply and Transport (BEST) Ltd, India
- Tata Power Company Ltd., India
- Electricité du Laos, Lao PDR
- Cagayan Electric Power and Light Company (CEPALCO), Philippines
- Manila Electric Company (MERALCO), Philippines
- Visayan Electric Company (VECO), Cebu, Philippines
- Electricity Generating Authority of Thailand,
- Metropolitan Electricity Authority, Thailand
- Provincial Electricity Authority, Thailand
- Ceylon Electricity Board, Sri Lanka
- Electricity Supply Corporation , Malawi
- ESKOM, South Africa
- Fiji Electricity Authority, Fiji Islands
- Electric Power Corporation, Samoa
Other International Organizations
- Collaborative Labeling and Appliance Standards Program (CLASP)
- Heinrich Boelle Foundation
- International Copper Association
- Lawrence Berkeley National Laboratory
- ClimateWorks Foundation
- Renewable Energy and Energy Efficiency Partnership (REEEP)
- Rockefeller Brothers Fund
- World Wide Fund for Nature
- Blue Moon Fund
- Efficiency Valuation Organization (EVO)
- Topten International
