IEA-NEA

Factors which determine the relative cost of electricity generation from a  wide range of fuels and technologies, including natural gas, coal, nuclear, hydro, solar, onshore and offshore wind, biomass and biogas, geothermal, and combined heat and power ; the analysis of more than 180 plants, based on data covering 22 countries, reveals several key trends, pointing  to a significant decline in recent years in the cost of renewable generation, or a remain in line of nuclear energy costs with the cost of other baseload technologies.