A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid.
Small hydro is the development of hydroelectric power on a scale suitable for local community and industry, or to contribute to distributed generation in a regional electricity grid. Exact definitions vary, but a "small hydro" project is less than 50 megawatts (MW), and can be further subdivide by scale into "mini" (<1MW), "micro" (<100 kW), "pico" (<10 kW). In contrast many hydroelectric projects are of enormous size, such as the generating plant at the Three Gorges Dam at 22,500 megawatts or the vast multiple projects of the Tennessee Valley Authority.
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower. Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and also more than nuclear power.
The Koyna Dam is one of the largest dams in Maharashtra, India. It is a rubble-concrete dam constructed on Koyna River which rises in Mahabaleshwar, a hillstation in Sahyadri ranges. It is located in Koyna Nagar, Satara district, in the Western Ghats on the state highway between Chiplun and Karad.
The Koyna River is a tributary of the Krishna River which originates in Mahableshwar, Satara district, western Maharashtra, India. It rises near Mahabaleshwar, a famous hill station in the Western Ghats. Unlike most of the other rivers in Maharashtra which flow East-West direction, the Koyna river flows in North-South direction. The Koyna River is famous for the Koyna Dam and the Koyna Hydroelectric Project. Koyna Hydroelectric Project is the 2nd largest completed hydroelectric project in India. The reservoir – Shivasagar Lake, is a huge lake of 50 km in length.
The El Chocón Dam is the fourth of the five dams on the Limay River in the northwestern Argentine Patagonia, at 381 metres (1,250 ft) above mean sea level. El Chocón is on the Limay River at about 80 km (50 mi) upstream of its confluence with the Neuquén River.
The Tokuyama Dam is an embankment dam near Ibigawa, Ibi District, Gifu Prefecture in Japan. The dam was completed in 2008 and will support a 153 MW hydroelectric power station that is expected to be fully operational in 2015. Currently, Unit 1 at 23 MW was commissioned in May 2014. The dam was originally intended to withhold the upper reservoir of a 400 MW pumped-storage power station until a design change in 2004. The dam is also intended for flood control and water supply. It is the largest dam by structural volume in Japan and withholds the country's largest reservoir by volume as well.
China Yangtze Power Co., Ltd. (CYPC), known as Yangtze Power is a Chinese utilities company, headquartered in Beijing. The company is a component of SSE 180 Index. A controlling share is held by the parent company China Three Gorges Corporation, a state-owned enterprise under State-owned Assets Supervision and Administration Commission of the State Council.
Dul Hasti is a 390 MW hydroelectric power plant in Kishtwar district of Jammu and Kashmir, India built by NHPC. The power plant is a run-of-the-river type on the Chenab River, in the Kishtwar region, a rugged, mountainous section of the Himalayas, and several hundred kilometers from larger cities. It consists of a 70 m (230 ft) tall gravity dam which diverts water through a 9.5 km (5.9 mi) long headrace tunnel to the power station which discharges back into the Chenab. The project provides peaking power to the Northern Grid with beneficiary states being Jammu and Kashmir, Punjab, Haryana, Uttar Pradesh, Uttarakhand, Rajasthan, Delhi and Union Territory of Chandigarh. It was constructed between 1985 and 2007.
Hydroelectricity is, as of 2019, the second-largest renewable source of energy in both generation and nominal capacity in the United States. In 2021, hydroelectric power produced 31.5% of the total renewable electricity, and 6.3% of the total U.S. electricity.
The Koyna Hydroelectric Project is the largest hydroelectric power plant in India, just after Tehri Dam Project. It is a complex project with four dams including the largest dam on the Koyna River, Maharashtra hence the name Koyna Hydroelectric Project. The project site is in Satara district.
Merikoski Power Plant is a hydroelectric power station and a dam in the Koskikeskus district in Oulu, Finland. The plant is owned by the Oulun Energia municipal enterprise of the city of Oulu.
Kyiv Hydroelectric Station is a run-of-river power plant on the Dnieper River in Vyshhorod, Ukraine. The 288 m (945 ft) long dam creates the Kyiv Reservoir with the purpose of hydroelectric power generation and navigability with the dam's associated lock. The first of 20 generators in the power station was commissioned in 1964, the last in 1968. Together with the Kyiv Pumped Storage Power Station, it creates a hydroelectricity generating complex. It is operated by the Ukrhydroenergo. Turbines for the plant were produced by the Kharkiv Factory Turboatom, and generators by the Kharkiv Factory "Elektrovazhmash".
Sumera Hydroelectric Power Plant is one of the oldest hydroelectric power plants or hydel power stations in India. It is located at Sumera Dariyapur in Jawan Sikandarpur of Aligarh District, Uttar Pradesh,India.
The Granite Hydroelectric Power Station was built in 1896–1897 at the mouth of Big Cottonwood Canyon, about 6 miles (9.7 km) southeast of Salt Lake City, Utah, United States(in what is now eastern Cottonwood Heights. The plant comprises the powerhouse, transformer house, a wooden conduit, penstocks, and a small dam. Like the Stairs Station upstream, it represents an intact high-head generating plant from the late 19th century.
Ghatghar Dam refers to two associated gravity dams built using roller-compacted concrete, the first use in India. They are situated in Ghatghar village in Ahmednagar district Maharashtra, India. Both dams create a lower and upper reservoir for the 250 MW pumped-storage hydroelectric power station. The upper Ghatghar dam is 15 m (49 ft) tall and on the Pravara River, a tributary of Godavari river. The lower Ghatghar dam is 86 m (282 ft) tall and located on the Shahi Nalla which is a tributary of Ulhas River to the south west of the upper reservoir in a steep valley. The hydro power project diverts Godavari river basin water outside the basin area to a west flowing river of Western ghats.
The Meander Dam is a concrete gravity dam across the Upper Meander River, located in northern Tasmania, Australia. The impounded reservoir is called Lake Huntsman.
The Burç Bendi Dam is a gravity dam on the Göksu River, near the village of Burç in Adıyaman district, Adıyaman Province, Turkey. Its primary purpose is hydroelectric power generation and it supports a 27.9 MW run-of-the-river power station. Construction on the dam began in January 2008 and it was fully operational by 3 November 2010. The 57 m (187 ft) tall concrete dam withholds a reservoir of 26,600,000 m3 (21,600 acre⋅ft). Water is diverted through a 536 m (1,759 ft) long tunnel to the power station downstream which contains three 9.3 vertical Kaplan turbine-generators. It is owned and operated by ČEZ Group.
Lower Mettur Hydroelectric Project is a hydropower generation project in the South Indian state of Tamil Nadu. It is a 120MW power generation project constructed across the Kaveri River. The project area is in the downstream of Mettur Dam, hence it derives the name. This project consists of four power plants which are located between Mettur in Salem district and Bhavani, Erode. This power generation project is owned by Government of Tamil Nadu and operated by TANGEDCO.
Bhavani Kattalai Hydroelectric Project is a hydropower generation project in the South Indian state of Tamil Nadu. It is a 90MW power generation project constructed across the Kaveri River. The project area is in the downstream of Lower Mettur Hydroelectric Project. This project consists of three power plants which are located between Bhavani and Pasur, Erode. This hydropower generation project is owned by Government of Tamil Nadu and operated by TANGEDCO.
