To keep our internet, telephones, computers, television sets, refrigerators and lights going, we require electricity 24 hours a day and 7 days a week. It is therefore instructive to know what sources of energy provide electricity in our outlets day-by-day. The data from the U.S. Department of Energy are plotted below as days of electricity per year supplied to the U.S. customers from each major primary energy source.
It turns out that between 1997 and 2008, coal supplied between 176 and 200 days of electricity to all U.S. outlets. Coal fuels the base-load power stations and its consumption has been remarkably constant.
Similarly, in 2008, natural gas supplied 79 days of electricity, nuclear power 72 days, and hydropower 23 days. The electricity share of natural gas grew from 50 days per year a decade ago, to almost 80 days in 2008. No new nuclear reactors have been built in the U.S. since late 1970s, but the nuclear power industry has learned how to manage their reactors better, a…
It turns out that between 1997 and 2008, coal supplied between 176 and 200 days of electricity to all U.S. outlets. Coal fuels the base-load power stations and its consumption has been remarkably constant.
Similarly, in 2008, natural gas supplied 79 days of electricity, nuclear power 72 days, and hydropower 23 days. The electricity share of natural gas grew from 50 days per year a decade ago, to almost 80 days in 2008. No new nuclear reactors have been built in the U.S. since late 1970s, but the nuclear power industry has learned how to manage their reactors better, a…