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Beles Hydroelectric Power Plant
The Beles Hydroelectric Power Plant, sometimes referred to as Beles II or Tana Beles, is a run-of-the-river hydroelectric power plant in Ethiopia near Lake Tana. The power plant receives water from the lake and after utilizing it to produce electricity, the water is then discharged into the Beles River. The plant has an installed capacity of 460 MW and it is the second largest power plant in the country. It is also expected to help provide water for the irrigation of .〔 It was inaugurated in May 2010 and the last generator was operational in February 2012. Its construction was negatively perceived by downstream Egypt.
==Background and construction==
In 1992, the first feasibility study was complete for the project, a 200 MW power station. A later study and final design was completed in 2005 by Studio Pietrangeli for the current 460 MW plant.〔(【引用サイトリンク】url=http://www.pietrangeli.it/immagini1/pdf/Brochures-progetti/Beles_MPP_-_rev__21_dic_2006.pdf )〕 The Government of Ethiopia signed a contract with Salini Costruttori to build the plant on July 8, 2005 and construction began soon after.〔(【引用サイトリンク】url=http://www.salini.it/index.php/english/content/download/233 )〕 Because of the project's remote location, transportation and manning of personnel and equipment was difficult, often taking 4–5 months for supplies to arrive. On June 2, 2007, a tunnel boring machine (TBM), operated by SELI, began boring the tailrace tunnel and completed it on May 31, 2008. Tunneling was carried out seven days a week in three eight-hour shifts a day. The TBM averaged per day while in January 2008, a maximum daily amount of was achieved. The TBM for the headrace tunnel broke through, completing it on August 11, 2009.〔(【引用サイトリンク】url=http://db.selitunnel.com/4daction/seli_news?page=eng:09_news:00_default&lingua=ing )〕 Salini Costruttori awarded a sub contract to construct the actual power station to VA Tech Hydro. On May 11, 2010, the first 115 MW generator at the power plant began operation and on May 14, 2010, the plant was inaugurated. The project's cost was around $500 million USD. The power plant was fully operational in February 2012.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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