hydroelectric

Adj.

1.

hydroelectric - of or relating to or used in the production of electricity by waterpower; "hydroelectric power"

battery-powered, dynamoelectric, electric, electric-powered, electrified, electrifying, electrochemical, electrodynamic, electrokinetic, electromechanical, electrometric, electromotive, electropneumatic, electrostatic, electrothermal, galvanic, galvanometric, photoelectric, piezoelectric, static, voltaic