hydroelectric power
electrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.
hydroelectric
hydroponic
Power derived from water heated into steam, usually converted to motive power by a reciprocating engine (a steam engine) or turbine (a steam turbine).
Means of transportation, or heavy equipment, based on such power, especially steamboats, steamships, or steam trains.