Science and Technology Policy Institute
Frankfurt School UNEP Collaborating Centre for Climate & Sustainable Energy Finance
Shanghai Environment and Energy Exchange
Eco Ltd
Perspectives Climate Group GmbH
Instituto Nacional De Investigaciones Agropecuarias
CETEC SL 
Energy Changes Projektentwicklung GmbH
Environmental Hydraulics Foundation
Foolad Technic International Engineering Company
Helmholtz-Zentrum Geesthacht
Taiwan Research Institute
HYDROC
CONSULAQUA Hamburg Beratungsgesellschaft mbH
United Nations University – Institute for Water, Environment and Health
Scientific Research and Education Center "Green Academy"
India Water Foundation
Overseas Environmental Cooperation Center
Institut de recherche pour le développement
Practical Action Consulting Limited
ONF International
The Higher Ground Foundation
SNV Netherlands Development Organization
Renewable Energy and Energy Efficiency Partnership
Obi Energy Pte. Ltd.
Japan Environmental and Sanitation Centre
Grue + Hornstrup A/S
NIRAS A/S
Basel Agency for Sustainable Energy
Pure Energy Center