Most mills, though, turn the stones with electricity from a generator powered by the water wheel.

Electricity was supplied by four electric generators powered by two diesel engines.

The enterprises then switch to generators often powered by heating oil.

The power plant at the southern end of the dam contains six hydroelectric generators powered by Francis turbines.

They also accuse the government of overlooking alternative energy sources, like generators powered by burning waste.

It would probably be heated by internal generators powered by radioactive isotopes.

Her engine room housed a huge generator powered by two Foster-Wheeler boilers.

With the ultrasonic generator powered by Swift solar-charged batteries, the plane will fly almost forever without new fuel.

There were four generators powered by diesel engines when the plant was in full production.

Until new forms of distributed generation arrive as a significant factor, backup power is likely to come from generators powered by internal combustion engines.