MWh is a unit of energy whereas, MW is a unit of power. Energy and power are two Words often confusingly interchanged. Energy is the amount of work done, whereas power is the rate of doing work.
One MWh (Mega Watt Hour) is a million watts of power applied over the period of an hour. One MW (Mega Watt) is a million watts. 1 Watt is 1 Joule per second.
To convert MWh to MW, you should divide MWh by the time applied in hours. MWh = MW * Hours, and respectively MW = MWh / Hours
E.g.
Some electrical equipment used 84 MWh is the total energy measured by a electricity meter over 12 hours operation.
What is the power rating of the equipment in MW?
84 MWh / 12 hours = 7 MW
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