2013-3-6 Introducing Power Generation To meet our national power needs there are challenges related to Declining economically Current U.S.Electricity recoverable supplies of eration by Sour nonrenewable energy resources. Coal al gas 48.5 Effects of global climate change and other environmental and human ectric health and safety issues. Other renewables Rapidly increasing demand for power owing to increasing Others population. Today we are heavily dependent on coal,natural gas,and nuclear,all of which are nonrenewable. Introducing Power Generation While coal,natural gas,and nuclear will continue to play important roles in years ahead,contributions from wind power solar power,and other renewable sources are expected to be increasingly significant up to mid-century at least. Table 8.2 LacaleEectric Powerrioufrom Renewable and wable Source Renewable Source oal-fueled electric Yes 2 2013-3-6 2 Introducing Power Generation ►To meet our national power needs there are challenges related to ►Today we are heavily dependent on coal, natural gas, and nuclear, all of which are nonrenewable. ►Declining economically recoverable supplies of nonrenewable energy resources. ►Effects of global climate change and other environmental and human health and safety issues. ►Rapidly increasing demand for power owing to increasing population. Table 8.2 Introducing Power Generation ►While coal, natural gas, and nuclear will continue to play important roles in years ahead, contributions from wind power, solar power, and other renewable sources are expected to be increasingly significant up to mid-century at least