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STATION USE (GENERATING) - The kilowatt-hours used at an electric generating station for such purposes as excitation and operation of auxiliary and other facilities essential to the operation of the station. Station

use includes electric any other sources. supply from outside

energy supplied from house generators, main generators, the transmission system, The quantity of energy used is the difference between the gross generation plus the station and the net output of the station.

and any

SUMMER PEAK - The greatest load on an electric system during any prescribed demand interval in the summer or cooling season, usually between June 1 and September 30.

SYSTEM, ELECTRIC - The physically connected generation, transmission, distribution, and other facilities operated as an integral unit under one control, management, or operating supervision.

SYSTEM LOAD - See DEMAND.

SYSTEM LOSS - See LOSS (LOSSES).

THERM - 100,000 BTUs. See BTU (BRITISH THERMAL UNIT).

THERMAL - A term used to identify a type of electric generating station, capacity or capability, or output in which the source of energy for the prime mover is heat.

TURBINE (STEAM OR GAS) - An enclosed rotary type of prime mover in which heat energy in steam or gas is converted into mechanical energy by the force of a high velocity flow of steam or gases directed against successive rows of radial blades fastened to a central shaft.

ULTIMATE CUSTOMERS - Those customers purchasing electricity for their own use and not for resale. See CLASSES OF ELECTRIC SERVICE.

USES AND LOSSES - "Uses" refers to the electricity used by the electric companies for their own purposes and "losses" refers to transmission losses.

UTILITY RATE STRUCTURE - A utility's approved schedule of charges for billing utility service rendered

to various classes of its customers.

VOLT-AMPERE - The basic unit of Apparent Power.

The volt-amperes of an electric circuit are the

mathematical product of the volts and amperes of the circuit.

WATT - The electrical unit of power ampere flowing under a pressure of foot-pounds per minute of mechanical

or rate of doing work.

The rate of energy transfer equivalent to one

one volt

at unity power

power.

One horsepower

factor.

It is analogous to horsepower or

is

equivalent

to

approximately

746

watts.

WINTER PEAK - The greatest load on an electric system during any prescribed demand interval in the winter or heating season, usually between December 1 of a calendar year and March 31 of the next calendar year.

SOURCES:

Edison Electric Institute Florida Electric Power Coordinating Group, Inc. Florida Governor's Energy Office

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