IIEC’s major clients include multilateral and bilateral institutions, governments, international organizations, and utilities across the globe.


Major Clients

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