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Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy production.
In October 2014, the Electricity Regulatory Authority (ERA), licensed nine new renewable energy projects, including Siti I Hydroelectric Power Station. The power complex consists of two run of river generation units; Siti I with capacity of 5 Megawatts and Siti II, with capacity of 16.5 Megawatts.
Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, [1] which is more than all other renewable sources combined and also more than nuclear power. [2] Hydropower can provide large amounts of low-carbon electricity on demand, making it a key element for creating secure and clean electricity supply systems. [ 2 ]
The flow from Modi River is used to generate 10 MW electricity. [3] The design flow is 26 m 3 /s, gross head is 50 m and annual energy generation capacity is 61.01 GWh. [1] [4] The plant was constructed by United Modi Hydropower Pvt. Ltd., an IPP of Nepal. [3]
Arpachay-1 (20.5 MW) and Arpachay-2 (1.4 MW) hydro-electric power stations launched in Sharur region in 2014. Ismayilli-2 (1.6-MW) hydroelectric plant launched in 2015 Azerbaijan and Iran signed agreement for "Khudaferin" and "Giz Galasi" hydro-junctions and hydroelectric power plants on Araz River in Feb 2016
Roughly about 10 to 15 percent of California's energy generation is from large hydroelectric generation that is not RPS-eligible. [6] The significant impact of dams on the power sector, water use, river flow, and environmental concerns requires significant policy specific to hydropower.
However many run-of-the-river hydro power plants are micro hydro or pico hydro plants. Much hydropower is flexible, thus complementing wind and solar. [85] In 2021, the world renewable hydropower capacity was 1,360 GW. [67] Only a third of the world's estimated hydroelectric potential of 14,000 TWh/year has been developed.
The development partners jointly loaned US$131.1 million and the government of Malawi invested US$21.9 million, for a total of US$153 million. [7] The second phase was contracted to China Gezhouba Group Corporation (CGGC) and included the installation of two new turbines, each of capacity generation of 32 megawatts.