Explanation

One megawatt (MW) is equal to 1,000 kilowatts (kW).

This is because the prefix "mega-" means "one million" or "10^6".

"Watt" is the unit of power.

1 megawatt (MW) = 1,000 kilowatts (kW)

1 kilowatt (kW) = 1,000 watts (W)