What is the Hydropower Implementing Agreement (HIA)? The Hydropower Implementing Agreement is a working group of International Energy Agency member countries and others that have a common interest in advancing hydropower worldwide. Countries that are not members of the IEA can also join. The member Governments either participate themselves, or designate another organization in their country to represent them on the Executive Committee (ExCo). What is the HIA Vision? The members of the Executive Committee of the Hydropower Agreement see their Vision as: Through the facilitation of worldwide recognition of hydropower as......