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The Champlain Hudson Power Express (CHPE) is a high-voltage direct current (HVDC) submarine power cable project linking the Montreal area to the New York City neighborhood of Astoria, Queens. If approved, the line is expected to be commissioned in 2017. The venture, being developed by Transmission Developers Inc. (TDI), a Blackstone Group, L.P. (Blackstone) portfolio company, would carry clean energy - hydropower and wind power from eastern Canada - and feed it directly in the New York City electricity market. Construction costs for this project are estimated at US$2.2 billion for the section located in the State of New York. The Quebec section of the line would be built and operated by TransÉnergie, the transmission arm of Hydro-Québec. == Background == Power rates in the New York metro area and Long Island have long been among the highest in the U.S. and according to the U.S. Department of Energy, the city is the "epicenter" of grid congestion in the eastern United States. The congestion problem in the New York City area and on Long Island is compounded by the fact that the area uses two-thirds of the state's electricity while most generation and import capacity is located upstate and near the Great Lakes. Over the years, a number of proposals to increase transmission capacity to the New York City and Long Island markets have encountered hostile reactions and determined opposition from environmental groups and communities along the planned paths. For instance, construction of the Cross Sound Cable, a 328-MW submarine DC cable linking Connecticut to Long Island via the Long Island Sound, was authorized in 2002, but its commissioning was delayed for a year because of a dispute involving the promoter and the state of Connecticut. Another project, the Neptune Regional Transmission System has been operational since 2007. The 500 kV cable connects New Jersey and Long Island. It runs buried in the Atlantic Ocean and has a capacity of 660 megawatts. However, a 400 kilovolts DC line between the Rock Tavern substation, 60 miles north of New York, and the Marcy hub in central New York, has been marred by controversy. Launched in 2006, the proposed ''New York Regional Interconnect'' (NYRI) had a 1,200 megawatts capacity. It was shelved by its developers in early 2009 after two years of staunch opposition from several groups concerned by the impact of pylons along the proposed route. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Champlain Hudson Power Express」の詳細全文を読む スポンサード リンク
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