Electricity generation. The production of electricity in 2013 was 23,322TWh. Sources of electricity were coal and peat 41%, natural gas 22%, hydroelectric 16%, nuclear power 11%, oil 4%, biomass and waste 2% and other sources 4%.
The nine Supreme Court Justices on the Supreme Court of the United States are the final arbiters on whether or not a law passed by the legislative branch is constitutional.
2016-07-05T20:58:21-04:00. There are a total of 9 justices on the Supreme Court. 8 of the judges are called Associate Justices. The main (leader) justice is called the Chief Justice of the United States.