Where does hydroelectricity work the best?

Hydroelectricity works best in regions with abundant water resources, such as rivers and lakes, particularly in areas with significant elevation changes that allow for effective dam construction. Ideal locations include mountainous regions where water can flow downhill, generating substantial kinetic energy. Additionally, places with consistent rainfall and seasonal snowmelt help maintain a reliable water supply. Countries like Norway, Brazil, and Canada exemplify successful hydroelectric power generation due to their geographical and climatic advantages.