What is a megawatt?
A megawatt is 1 million watts of power. Electricity generators are often measured in megawatts of peak power generation capacity.
What is a megawatt-hour?
A megawatt hour is one million watts of electrical power used for 1 hour. It refers to an hour of electrical energy equal to this amount.
The term megawatt-hour adds an element of the period of time for which the amount of electrical power is used, whereas the term megawatt simply refers to an amount of instantaneous electrical power.
Just like the term watt-hour and kilowatt-hours (kWh) adds a time element to the terms watt and kilowatt.
It can also be any variant of this for example 500,000 watts of electricity used for 2 hours would equal one megawatt-hour.
What is the abbreviation for a megawatt-hour?
The abbreviation for megawatt-hour is MWh.
How many kilowatt-hours are in a MWh?
There are 1000 kilowatt-hours in one megawatt-hour. Power plants produce too much electricity to easily measure in kilowatt-hours and so they measure electricity in megawatt-hours. However, the energy consumption of a typical home is better measured in kilowatt-hours.
What is the annual energy usage of an average home in America?
The amount of energy consumed by the average American home each year is 10.76 MWh's. Energy efficiency measures and better appliances have reduced the amount of energy used per square foot in the average American home, but as homes have become bigger over the last 30 years energy usage per home has still remained fairly constant.