Production of electricity by use of flowing water to power generators. Generating plants can be placed in a river or water can be stored. Some countries, such as Switzerland, have used up almost all of the available hydrogenation capacity while others,...

Electricity produced by the action of water falling under the power of gravity to drive a generating turbine or similar. The electricity thus generated is known as hydroelectricity. Hydroelectricity is produced either directly for use in an electricity...

Hydropower or hydraulic power is the force or energy of moving water. It may be captured for some useful purpose. Prior to the widespread availability of commercial electric power, hydropower was used for irrigation, and operation of various machines,...

Hydropower Power From the Mountains. By Barbara Wolcott. Central Coast Press, P.O. Box 3654, San Luis Obispo, Calif. 93403; (805) 534-0307. $18.95. Readers may recall Barbara Wolcott's October 1999 EA cover story, "The Big Creek Project," describing one of America's earliest major...

The proposed removal of hydropower dams on the Penobscot River to restore fish raises serious questions. Do we really want to remove more renewable energy? We only have to look at the removal of the Edwards Dam in Augusta to illustrate the point. ...

Tens of thousands of villagers could be displaced and a fragile ecosystem destroyed by a hydropower project being built on northeastern Myanmar's Salween River, an international conservation group said Thursday.Construction on the Ta Sang hydropower plant, which includes a dam, began earlier this year in...

Tidal power uses the twice daily variations in sea level mostly caused by the gravitational effect of the Moon. Sun and Earth's rotation is also a reason for tides. To generate electricity from the tides the bay on the island is dammed (the dam can also be called a barrage).