Artificial light is produced by means of electricity.

He turns off the lights so as not to waste electricity.

The river furnishes electric power to the town.

This power station alone provides several cities with electricity.

This machine consumes 10% of all the power we use.

This dam supplies us with water and electricity.

Our college uses far too much electricity.

The output power of a one square meter solar panel is about one watt, so it is difficult to use solar power on a large scale at present.

The Nuclear and Industrial Safety Agency upped the level of the incident at the Fukushima Daiichi nuclear power plant from level 5 to level 7.

A leak has been found at Tokyo Electricity's Fukishima reactor number 1, and 150 liters of waters have escaped into the sea.

This dam supplies us with water and electricity.

Wires are used to convey electricity.