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electricity generation
English Wikipedia - The Free Encyclopedia
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Electricity generation
Electricity generation
is the process of generating
electric power
from other sources of
primary energy
. The fundamental principles of electricity generation were discovered during the 1820s and early 1830s by the British scientist
Michael Faraday
. His basic method is still used today: electricity is generated by the movement of a loop of wire, or
disc of copper
between the
poles
of a
magnet
. For
electric utilities
, it is the first process in the delivery of electricity to consumers. The other processes, electricity
transmission
,
distribution
, and electrical power storage and recovery using
pumped-storage
methods are normally carried out by the
electric power industry
. Electricity is most often generated at a
power station
by electromechanical
generators
, primarily driven by
heat engines
fueled by chemical
combustion
or
nuclear fission
but also by other means such as the
kinetic energy
of flowing water and wind. Other energy sources include solar
photovoltaics
and
geothermal power
and electrochemical
batteries
.
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