hydroelectric generating Articles
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The blue water footprint of electricity from hydropower
Hydropower accounts for about 16% of the world’s electricity supply. It has been debated whether hydroelectric generation is merely an in-stream water user or whether it also consumes water. In this paper we provide scientific support for the argument that hydroelectric generation is in most cases a significant water consumer. The study assesses the blue water footprint of hydroelectricity ...
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Data Highlight: Hydropower Continues Steady Growth
World hydroelectric power generation has risen steadily by an average 3 percent annually since 1965. In 2011, at 3,500 billion kilowatt-hours, hydroelectricity accounted for roughly 16 percent of global electricity generation, almost all produced by the world’s 45,000-plus large dams. Graph on World Hydroelectric Generation, 1965-2011 Four countries dominate the hydropower landscape: ...
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Curtis hydro redevelopment - Case study
The Curtis Palmer hydro facility consists of two run-of-river hydroelectric generating stations located on the Hudson River, in Corynth, NY. In 2014, CHC provided two 2250 mm vertical axial flow Kaplan open flume turbines to replace two of the five horizontal units located in the Curtis powerhouse, which were running but in poor mechanical condition. The existing generators were removed, ...
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The ABCs of small hydro upgrade and automation
Abstract - Small hydroelectric is increasingly depended on to provide regional power capacity, as municipalities seek more sustainable sources of energy. Yet, hydroelectric or hydro power has some negative perceptions. Other sustainable sources of energy like wind and solar power are early in their equipment and technology life cycles. Hydroelectric facilities are typically older and operate with ...
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Risk sharing in hydropower development: case study of the Chukha Hydel Project in Bhutan
The Himalayan rivers have an enormous hydropower potential that is still not exploited fully for the benefit of the region. Bhutan and Nepal together have an economically feasible potential of 60,000 MW of hydroelectric power generation capacity but are too weak financially to bear the risks associated with the development of their hydro resources alone. India is the only potential market for ...
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Water’s Critical Role in the Power Generation Industry
Water and power are intimately connected in the U.S. and around the world. In 2015, electric power generation was responsible for 41% of total water withdrawals in the United States, according to the U.S. Geological Survey. Where does all that water go and what role does it play in power generation? HOW POTABLE WATER IS USED IN POWER GENERATIONELECTRICITY GENERATION Approximately 90% of ...
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A method for the study of cascading effects within lifeline networks
The following research is in keeping with the current international and national trend to establish effective facility management plans, based on antagonistic notions of maximal production and minimal risks. The application of this approach to lifeline networks is complex, considering that the failure of these networks can cause extensive consequences for populations and upon socio-economic ...
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Legal Lookout: Executive Order Supports Alternative Fuel Use
On Jan. 24, 2007, President Bush signed Executive Order (EO) 13423, Strengthening Federal Environmental, Energy and Transportation Management, which mandates that federal agencies reduce oil consumption, use more alternative fuels and curb greenhouse gas emissions. In his 2007 State of the Union address, Bush announced plans to reduce U.S. gasoline usage by 20 percent in 10 years. The EO also ...
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Medway hydro - Case study
n operation since 1923, the Medway Hydroelectric Project is a run-of-river generating facility located on the Penobscot River in Medway, Maine. The plant was restored by Black Bear Hydro Partners LLC in 2011/2012 under the Penobscot River Restoration Agreement. CHC provided two 2500 mm replacement Francis runners to fit to the existing draft tubes. The new turbines provided a combined generating ...
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Renewables account for 11%+ of U.S. electricity production
Renewable energy, including wind, solar, biomass, biofuel, geothermal, and hydroelectric sources, accounted for 11.14% of U.S. electricity production during the first six months of 2010, according to the most recent issue of Monthly Energy Review by the U.S. Energy Information Administration (EIA). The 11.14% figure marks continued growth for U.S. renewable energy, which accounted for 10.71% of ...
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Climate change and the US energy sector
As President Obama emphasized in his speech at Georgetown University in June 2013, climate change is happening. It is here, it is now, and as Obama warned, “Our planet is changing in ways that will have profound impacts on all of humankind.” But what are these effects? The President reels off examples: sea levels in New York harbour increasing by a foot in depth over the past century, ...
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What is a renewable energy meter?
Renewable energy meter refers to the power meter that measures the situation of renewable energy generation. Different types of renewable energy generation require different measurement products, so renewable energy meters need to be customized according to the specific application requirements. Renewable energy includes solar energy, hydro power, wind power, biomass energy, wave energy, tidal ...
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No Place Is Too Far
The remote location of hydropower stations is often a great challenge when major repair work is necessary. The refurbishment of a large generator in the Scottish Highlands shows how Sulzer finds cost-effective service solutions even in places miles from nowhere. Much of the UK hydroelectric capacity was built during the 1950s. These installations have performed extremely well, especially ...
By Sulzer Ltd.
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Saving Renewable Energy for a Rainy Day
Despite advances in renewable energy technologies, one of the largest hurdles in their widespread adoption has been their intermittent reliability. Energy is only useful if it is available as the grid demands it, which is why concerns about carbon emissions are overridden in favor of the more dependable oil, coal and gas for baseload power. In order for renewable sources such as wind and solar ...
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Wind Energy Production Estimates: Moving Beyond Time Averages
No need to be a statistician to see that averages are often useful to compare different things. And yet, they often fall short as a true measure of performance. For instance, we use averages to compare the current weather against the climate normals or to get a sense of how our favorite sport team or player is doing. Team (player) statistics are a concise way of combining the scores from many ...
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