Hydropower or water power is power derived from the energy of falling or fast-running water, which may be harnessed for useful purposes. Since ancient times, hydropower from many kinds of watermills has been used as a renewable energy source for irrigation and the operation of various mechanical devices, such as gristmills, sawmills, textile mills, trip hammers, dock cranes, domestic lifts, and ore mills. A trompe, which produces compressed air from falling water, is sometimes used to power other machinery at a distance.
The James River is a river in the U.S. state of Virginia that begins in the Appalachian Mountains and flows 348 miles (560 km) to Chesapeake Bay. The river length extends to 444 miles (715 km) if one includes the Jackson River, the longer of its two source tributaries. It is the longest river in Virginia. Jamestown and Williamsburg, Virginia’s first colonial capitals, and Richmond, Virginia's current capital, lie on the James River.
Nackawic is a town located 65 km west of the city of Fredericton on the east bank of the Saint John River in New Brunswick, Canada. The town occupies an area of about 9 km² and is surrounded by the parishes of Southampton and Queensbury with the Village of Millville 10 km to the north. Nackawic is centered on the intersection of Route 105 and Route 605.
Sligo Creek is a free-flowing tributary of the Northwest Branch of the Anacostia River in Maryland. The creek is approximately 9.1 miles (14.6 km) long, with a drainage area of about 11.6 square miles (30 km2).
The James River and Kanawha Canal was a partially built canal in Virginia intended to facilitate shipments of passengers and freight by water between the western counties of Virginia and the coast. Ultimately its towpath became the roadbed for a rail line following the same course.
The Mactaquac Dam is an embankment dam used to generate hydroelectricity in Mactaquac, New Brunswick. It dams the waters of the Saint John River and is operated by NB Power with a capacity to generate 670 megawatts of electricity from 6 turbines; this represents 20 percent of New Brunswick's power demand.
The Winooski River is a tributary of Lake Champlain, approximately 90 miles (145 km) long, in the northern half of Vermont. Although not Vermont's longest river, it is one of the state's most significant, forming a major valley way from Lake Champlain through the Green Mountains towards the Connecticut River valley.
The Fairmount Water Works in Philadelphia, Pennsylvania was Philadelphia's second municipal waterworks. Designed in 1812 by Frederick Graff and built between 1812 and 1872, it operated until 1909, winning praise for its design and becoming a popular tourist attraction. It now houses a restaurant and an interpretive center that explains the waterworks' purpose and local watershed history. It was designated a National Historic Landmark in 1976 for its architecture and its engineering innovations. It was the nation's first water supply to use paddle wheels to move water.
The Srisailam Dam is constructed across the Krishna River in Kurnool district, Andhra Pradesh near Srisailam temple town and is the 2nd largest capacity working hydroelectric station in the country.
The Kallada River is one of two major rivers that flow through the Kollam District of Kerala, India. Kallada River Is Also Known As Punalurar This River is formed by three Rivers, viz., Kulathupuzha, Chendurni and Kalthuruthy which join near Parappar in Thenmala by the side of the Trivandrum-Shencottah road. It travels for 121 km, flowing through Punalur, Pathanapuram, Kunnathur,Kulakada Pavithreswaram (Puthoor)and Kallada before ending at Ashtamudi Lake. The Palaruvi Falls also feeds Kallada river. The Chalikkari Aar also joins Kallada a little downstream. These two rivers flows westward and falls into the Ashtamudi Lake.
Kaptai is an Upazila of Rangamati District in the Division of Chittagong, Bangladesh. Name of the Kaptiai was derived from a Marma word "Kraitoi' which is a name of river just a half kilometre downstream of the Kaptai dam and also it is named after the river herself which me ans- the river full of canes. It is said that in the past days the reverine was so wild and full in tropical flora and fauna. Huge amount of several verities of canes used to be found throughout the course of the river that flows that from the south, upper tridge and the river makes its estuary into the Kainsa Khyong.
Jayakwadi dam is an earthen dam located on Godavari river at the site of Jayakwadi village in Paithan taluka of Aurangabad district in Maharashtra, India. The harsh project is one of the largest irrigation projects in the Indian state of Maharashtra. It is a multipurpose project. The water is mainly used to irrigate agricultural land in the drought-prone Marathwada region of the state. It also provides water for drinking and industrial usage to nearby towns and villages and to the municipalities and industrial areas of Aurangabad and Jalna districts. The surrounding area of the dam has a garden and a bird sanctuary.
Durgapur Barrage is built across the Damodar River at Durgapur in Bankura district and partly in Paschim Bardhaman district in the Indian state of West Bengal. It was constructed by Damodar Valley Corporation mainly for the purpose of irrigation and also to supply water to Industrial township of Durgapur. The irrigation and canal system was transferred to the Government of West Bengal in 1964.
The Old Mill Museum, also known as the Alfred Wilkerson Grist Mill, is a historic structure located along the River Raisin at 242 Toledo Street in Dundee, Michigan. It was designated as a Michigan Historic Site on August 3, 1979. It was later listed as a contributing property within the Dundee Historic District, which was added to the National Register of Historic Places on August 20, 1990.
The Bhadra Dam, which has created the Bhadra Reservoir, is located on the Bhadra River a tributary of Tungabhadra River. Bhadra dam is located in the border of Bhadravathi and Tarikere, in the western part of Karnataka in India. The benefits derived from the reservoir storage are irrigation with gross irrigation potential of 162,818 hectares, hydro power generation of 39.2 MW, drinking water supply and industrial use. The dam commissioned in 1965 is a composite earth cum masonry structure of 59.13 metres (194.0 ft) height with length of 1,708 metres (5,604 ft) at the crest level, which submerges a land area of 11,250.88 hectares.
The Prague Canoeing Centre is one of the most frequently used venues for international canoe slalom competition. Built in 1983 in Czechoslovakia, it diverts water around a 3.6 metres (12 ft) dam at Troja on the Vltava river in Prague. Its two unique features are its use of car and truck tires as flow diverters and its shallow slope, closer to 1% than the usual nearly 2% for such venues. Despite these characteristics, the Troja facility has hosted ten World Cup races and one World Championship in the 21 years 1992-2012, and the 2013 World Championships.
The Holcomb Rock Dam is a concrete dam across the James River near Lynchburg, Virginia. The project consists of a concrete dam across the river, an earthen embankment canal on the right bank, and a power house where water is discharged to generate electricity. Per the 2008 annual generation report, the project generated 6,089,209 KW-hours.
The Reusens Dam is a 12.5 MW hydroelectric generation facility on the James River near the city of Lynchburg, Virginia. The project includes a concrete gravity dam spanning the left side of river which incorporates eight 16 3/4-foot-high flood gates, a 125 feet long by 25 feet tall concrete arch dam segment with 7 1/4-foot-high flashboards, and two separate power houses towards the right bank which contain hydroelectric generation equipment. The A and B power houses have installed capacities of 7.5 MW with three turbines and 5.0 MW with two turbines, respectively. The plant is used in a peaking capacity. The dam is located downstream of the smaller Holcomb Rock Dam and upstream of the Scotts Mill Dam. The typically submerged Bosher Dam near Richmond lies further downstream.
The Big Island Dam is a hydroelectric generation facility on the James River near the community of Big Island, Virginia. The project includes a gravity dam spanning the left side of river and a power house on the right bank which contain hydroelectric generation equipment. The dam is located adjacent to and integrated with the large Georgia Pacific paper mill at this location.
