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The fundamental principles of electricity generation remains unchanged since discovered in early 19th centry. Most of today's electricity is generated by the movement of a loop of wire, or disc of copper between the poles of a magnet. The force to spin the loop of wire is provided by other energy sources described above.
For electric utilities, electrical power generation 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 electrical power industry.