what is the difference between KW and KWh?

Answer Posted / jim

A kWh is a measure of energy, whilst kW is a measure of
power. Power is the rate at which energy is used. The
difference between energy and power is like the difference
between distance and speed.

(Answer inspired by article at
http://www.energylens.com/articles/kw-and-kwh - only fair to
cite the source.)

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