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onekilowatt

Onekilowatt, commonly written as one kilowatt or abbreviated as kW, is a unit of power in the International System of Units (SI) equal to 1000 watts. It is used to express the rate at which energy is transferred, consumed, or generated. The term combines the prefix kilo- (one thousand) with the watt, named after James Watt.

One kilowatt is approximately 1.341 mechanical horsepower. The exact factor depends on the definition of horsepower

Common uses include rating electric motors, heaters, and generators, as well as capacity ratings for solar photovoltaic

Energy over time is expressed in kilowatt-hours (kWh). For example, a device rated at 1 kW that

Notes: The watt is the SI base unit of power; the kilowatt is a practical unit for

used;
the
mechanical
horsepower
is
defined
as
745.7
watts,
which
yields
about
1.341
hp
per
kilowatt.
systems
and
other
power
sources.
The
kilowatt
is
a
unit
of
power
and
should
not
be
confused
with
the
kilowatt-hour,
which
is
a
unit
of
energy
equal
to
one
kilowatt
of
power
used
for
one
hour.
runs
for
2
hours
consumes
2
kWh
of
energy.
describing
larger
power
levels.
See
also
watt,
kilowatt-hour,
and
horsepower
for
related
concepts.