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	eTools Home : Electric Power Overview | Scope | SH Topics Page | Credits
	Illustrated Glossary   Figure 1. Diagram of the Power Generation, Transmission and Distribution System This illustrated glossary contains definitions, photos, and graphic illustrations of equipment used in a typical electric power generation, transmission and distribution system. For terms and concepts not equipment related see the glossary. A typical power generation, transmission and distribution system has these components: Power Generation Plants   Substations Step-up Transmission Substation Step-down Transmission Substation Distribution Substation Underground Distribution Substation Substation Functions Substation Equipment Transmission Lines Overhead Transmission Lines Subtransmission Lines Underground Transmission Lines Distribution Systems Industrial Customer Commercial Customer Residential Customer Transportation Customer Choose a component above or its image on the graphic to see details and definitions. For other system definitions, see the glossary.
	eTools Home : Electric Power Overview | Scope | SH Topics Page | Credits