Review Article

Global Renewable Energy-Based Electricity Generation and Smart Grid System for Energy Security

Table 3

World primary energy demand (%) from 2002 to 2030 [18].

Energy sources2002201020202030

Coal23%23%22%22%
Oil36%35%35%35%
Gas21%22%24%25%
Nuclear7%6%5%5%
Hydro2%2%2%2%
Biomass and waste11%10%10%10%
Others renewable0.53%0.83%1.12%1.55%