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Electricity is energy. Producing electricity is a process of energy conversion. Heat energy is transformed into
mechanical energy, which is converted to electrical energy.
The electricity used in homes and businesses is produced at power generation stations and delivered to customers
through an extensive network of electrical transmission and distribution facilities and equipment. Duquesne
Light’s network consists of more than 300 major substations, 103,000 transformers, 250,000 utility poles
and 45,000 miles of wire.
Electricity cannot be stored. The process of producing and delivering electricity must continuously take place
so that whenever a switch is flipped, electricity -- traveling at the speed of light (186,300 miles per second) -- is
instantaneously available to power homes and businesses.
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