Chart showing the flow of electricity from

1. ELECTRIC POWER TRANSMISSION & DISTRIBUTION SYSTEM
Power Plant/Generating Station
Fossil fuels, renewables
Step-Up Transformer
Raises voltage to transmission levels
Transmission
Substation
Distributes electricity
to other connections
or area substation
Other
Connections
Area Substation
Steps down voltage &
transmits to local transfomer
Local Transformer
Final voltage step-down to 120 volts
Local Circuit
Breaker/Fuse Box
Connected to switches/outlets
in home/establishment
Electric Meter
Records electricity use
for utility billing purposes
Utility
Bills end user
for electricity used
Source: The Freedonia Group, Inc.