0308s05hydropowe - Hydro Power A Case Study Some facts and...

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Hydro Power – A Case Study ± Some facts and figures ± Large-scale versus small scale ± High head versus low–head ± Energy conversion technology ± Environmental and social impacts ± Economic issues MIT Energy Laboratory
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Resources on Hydropower Technology In addition to Chapter 12 of the Sustainable Energy text 1. M. Brower, “Energy from Rivers and Oceans”, Ch 6 in Cool Energy , p111-118, MIT Press, Cambridge, MA (1992) 2. Hydropower Facts , US Department of Energy (March, 1997) 3. Moreira and Poole, “Hydropower at its constraints,” in Renewable Energy , eds. Johannson, Kelly, Reedy, and Williams Island Press, Washington (1993) 4. Boston Globe, “The Price of Power”, article in The Boston Globe Magazine, (August 26, 1990) 5. X. Lei, “Going Against the Flow in China”, Science 280, p 24-26 MIT Laboratory for Energy and the Environment
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Archival web sites on hydropower www.eren.doe.gov/RE/hydropower www.energy.ca.gov/electricity/hydro www.dams.org www.ussdams.org MIT Laboratory for Energy and the Environment
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Three types of hydropower systems 1. Impoundment involving dams eg. Hoover Dam, Grand Coulee 2. Diversion or run-of-river systems , e.g. Niagara Falls 3. Pumped storage two way flow pumped up to a storage reservoir and returned to lower elevation for power generation MIT Laboratory for Energy and the Environment
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Common features of conventional hydropower installations Courtesy of Idaho National Laboratory.
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Conventional high head run of river hydropower, e.g. Niagara Falls MIT Laboratory for Energy and the Environment Figure removed for copyright reasons. See Figure 12.2 in Tester, J. W., et al. Sustainable Energy: Choosing Among Options . Cambridge MA: MIT Press, 2005.
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Hydro Power – Some Facts and Figures ± Current World Hydropower production ~ 2000 TWh/yr -- about 20% of the world’s electricity ~ 635,000 MWe of capacity in 150 countries ± US capacity 103,800 MWe - 78,200 MWe conventional hydro - 25,600 MWe pumped storage - about 10% of US electricity equivalent to 3.1 quads - approximately 50% of US renewable energy ± Average capacity/availability factor – 42% MIT Laboratory for Energy and the Environment
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Hydro Power – Some Facts and Figures (continued) ± Big range in capacity and size * power capacity – 1 kWe to 12000 MWe * hydraulic head < 1 m to 1500 m (from low-head to high-head) * largest earth dam height – 300 m (Tajikistan) * largest reinforced concrete dam height– 285m (Switzerland) * reservoir volume – >10 6 m 3 (Uganda) * reservoir area – 9,600 km 2 (La Grande complex, Quebec) * hydraulic head – 1 m to 1500 m (S. Fiorano, Italy) ± Theoretical potential, technically exploitable 15000 TWh/yr or about 4,000,000 MWe of capacity MIT Laboratory for Energy and the Environment
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12.1 Table 12.1 Representative Mega-scale Hydropower projects Name Location Type Capacity, MWe Reservoir Size Grand Coulee Columbia River,
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 10.302 taught by Professor Clarkcolton during the Fall '04 term at MIT.

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0308s05hydropowe - Hydro Power A Case Study Some facts and...

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