In practice, the average capacity factor of hydropower in India has often been lower, with an average national load factor of 43% in 2007 because of factors including shortcomings in design of old existing hydropower plants and strong dependence on monsoon rainfalls. Nearly 90% of the total remaining hydro potential of 98 GW is in the Himalaya mountain region (Figure 1.12). The definition of the regions within India corresponds to the one used in the geographical model analysis (see Annex B).