DEFINITION: A form of renewable energy used for electricity generation that derives from the force of moving water. Hydropower plants generally use a dam on a river to store water in a reservoir, ...

Hydropower harnesses the energy of water moving from higher to lower elevations. It can be generated from reservoirs and rivers. Reservoir hydropower plants rely on stored water in a reservoir ...

DEFINITION: Energy that is generated close to where it will be used, rather than at an industrial plant and sent through the national grid. Decentralised systems typically use renewable energy sources ...