- Energy and power
- Widely used in electricity generation and distribution eg for billing business customers
A megawatt hour is equivalent to a power of 1,000,000 Watts being applied for an hour
The kilowatt hour was originally known in the UK as the Board of Trade unit. This term derives from the name of the board that regulated the electricity industry in the UK until 1942
- A 100W light bulb left on continually for a year (in a non-leap-year) generates .876MW
Megawatt hours are commonly used for measuring electrical power - particularly in electrical generation and transmission and commercial electricitysupply.
- Often subdivided into 1,000 Kilowatt hours
- There are 1,000 Megawatt hours in a Gigawatt hour, 1,000,000 in a Terawatt hour, etc.