Hydroelectric Power Station Disaster, Russia

The power generated by a power station is measured in multiples of the watt, typically megawatts (106 watts) or gigawatts (109 watts). Power stations vary greatly in capacity depending on the type of power plant and on historical, geographical and economic factors. The following examples offer a sense of the scale.
• The power generated by a large wind turbine is of the order of 1 or 2 megawatts. Wind turbines are typically installed in a group called a Wind farm.
- The Port Alma Wind Farm in Ontario, has 44 turbines and a capacity of 101.2 megawatts.