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.
The court is currently filled with nine justices. The most recent justice added to the court was Neil Gorsuch, who was named by President Donald Trump on January 31, 2017, and confirmed on April 7, 2017, by the Senate.