Electricity generation is the process of generating electric power from sources of primary energy. For electric utilities, it is the first process in the delivery of electricity to consumers.
There are currently three living retired justices of the Supreme Court of the United States: John Paul Stevens, Sandra Day O'Connor and David Souter. As retired justices, they no longer participate in the work of the Supreme Court, but may be designated for temporary assignments to sit on lower federal courts, usually the United States Courts of Appeals.
The number of Supreme Court justices has changed over the years, Kathy Arberg, spokesperson for the U.S. Supreme Court, told Live Science. Congress increased the number to seven in 1807, to nine in 1837, then to 10 in 1863.