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A watt is a unit of power, named after James Watt, the inventor of the steam engine.
One watt is defined as the amount of power needed to do one joule of work per second.
In other words, it measures the rate at which energy is transferred or converted from one form to another.
A watt-hour (Wh) is a unit of energy that measures the amount of energy used over a period of time.
A kilowatt (kW) is a unit of power equal to 1,000 watts.
A megawatt (MW) is a unit of power equal to one million watts or 1,000 kilowatts.
It is commonly used to express the power output of large-scale power plants.
A gigawatt (GW) is a unit of power equal to one billion watts or 1,000 megawatts.
ENERGY 101 Reimagining Energy Education