At full load, 114 GW can generate 1000 TWh per year. However, in practice plants operate on average far below the maximum load. This is related partly to energy resource availability (e.g. for variable renewables) and partly to fluctuations in demand during the year. Table 3.4 shows the power capacity in the ETP Baseline and BLUE Map Scenarios in 2050 (IEA, 2010a).