File:Article Figure 1 Global and regional cost-supply curves and their geographic locations.png

Global and regional cost-supply curves and their geographic locations. a-f, The global (a) and regional (Africa (b), Asia Pacific (c), Europe (d), Central and North America (e) and South America (f)) cost-supply curves showing the remaining technical potential below 0.50 $ kWh-1. The red numbers indicate the total river power potential, the blue numbers the total diversion canal power potential and the black numbers the sum of both. The dot-dashed line indicates the remaining economic potential below a cost of 0.10 $ kWh-1. g, The geographic locations of the two hydropower systems.