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Methods of harnessing water potential for usable energy.
[[Image:320px-Pumpstor racoon mtn.jpg|right|frame| [[Wikipedia: Pumped-storage hydroelectricity]]]]

= Major Hydro Listings at PESWiki =
*[[Directory:Low Impact Hydro]]
**[[Directory:River Energy]]
*[[Directory:Ocean]]
**[[Directory:Ocean Current]]
**[[Directory:Tidal Power]]
**[[Directory:Ocean Wave Energy]]
*[[Directory:Mixing Sea and River Water]]
*[[Directory:Capillary Action Engines]]

= Technologies =

== Dams ==

=== Dam Impact ===

[[Image:Dam Methane 95x95.jpg|right]]
[http://news.bbc.co.uk/2/hi/science/nature/6638705.stm Don't waste the dam methane] - Scientists in Brazil have claimed that a major source of greenhouse gas emissions could be curbed by capturing and burning methane given off by large hydro-electric dams. The technology will extract the methane from the water to supplement the energy produced by the dam turbines. (BBC; UK; May 10, 2007)<br style="clear:right;">

=== Low Impact Hydro ===

'''See also'''
*[[Directory:Low Impact Hydro]]
*[[Directory:River Energy]]

==== Misc. Low Impact Hydro ====

[[Image:Rain Power piezoelectric test rig 95x95.jpg|right]]
*'''[[Directory:CEA/Leti-Minatec:Energy from Rain|Harvesting Rain Power Via Piezoelectric Landing Pads]]''' - Scientists from CEA/Leti-Minatec in France have developed a system that recovers the vibration energy from raindrops falling on a piezoelectric structure. The system works with raindrops ranging in diameter from 1 to 5 mm.  Simulations show that it's possible to recover up to 12 milliwatts from one of the larger "downpour" drops. <br style="clear:right;">

==== Pumped Storage ====
*{{Template:091114:TreeHugger:This is Big: U.S. Could Double Hydropower Capacity with Minimal Impact}}

*{{Template:Bullet:Directory:KEMA's Inverse Offshore Pump Accumulation Stations}}

=== High Impact Hydro ===

[[Image:Sayano-Shushenskaya dam explosion 95x95.jpg|right]]
*'''[http://news.slashdot.org/article.pl?sid=09/08/18/1916211 Massive Explosion at Russian Hydroelectric Dam]''' - An oil-filled transformer exploded at the Sayano-Shushenskaya power plant in Siberia, destroying three turbines and bringing down the ceiling of the turbine hall, which then violently flooded. The dam itself did not sustain any damage. 76 possible deaths.  The dam produces a quarter of the total energy of RusHydro and also feeds the world's largest aluminum smelter. The damages will take years to repair." (''Slashdot''; Augl 18, 2009) <br style="clear:right;">

*'''[http://www.physorg.com/news116147180.html 50 gigawatts of electrical power could be released by damming the Red Sea]''' - Damming the Red Sea could solve the growing energy demands of millions of people in the Middle East and alleviate some of the region's tensions pertaining to oil supplies through hydroelectric power. Equally, such a massive engineering project may cause untold ecological harm and displace countless people from their homes. (''PhysOrg''; Dec. 6, 2007)<br style="clear:right;">

[[Image:ClydeHydroPowerStation small 95x95.jpg|right]]
*'''[http://www.truthout.org/issues_06/100507EC.shtml Hydropower Doesn't Count as Clean Energy]''' - According to recently published estimates from Ivan Lima and some of his colleagues at Brazil's National Institute for Space Research, the world's 52,000 largest dams release 104 million metric tons of methane annually. (AlterNet; Oct. 5, 2007)<br style="clear:right;">

*'''[http://www.newswise.com/articles/view/512853/?sc=dwhp Salmon Survival, Cleaner Hydropower Focus of ORNL Research]''' - A new advanced turbine being tested at Wanapum Dam in Washington state produces nearly 5 percent more power, but before more are installed researchers at Oak Ridge National Laboratory are getting input from several thousand fish. (''NewsWise''; April 28, 2005)<br style="clear:right;">

*'''[http://www.ingentaconnect.com/content/klu/clim/2004/00000066/F0020001/05269523 Greenhouse Gas Emissions from Hydroelectric Dams]''' -  Controversies Provide a Springboard for Rethinking a Supposedly ‘Clean’ Energy Source (''IngentaConnect''; Sept. 2004)<br style="clear:right;">

*'''[http://www.ussdams.org/c_decom.html Dam Decommissioning]'''<br style="clear:right;">

*'''[http://www.physorg.com/news5407.html Queen of England Goes Green]''' - A $1.7 million, four-turbine, energy-efficient plant to be built on the River Thames will generate 200 kilowatts -- about 1/3 of the energy required to power the queen's Windsor residence. (''PhysOrg''; July 25, 2005)<br style="clear:right;">

== As a Component in a Non-Nature System ==
[[Image:James D Hardy Self looped water pump and elec gen diagram byKevn 95x95.jpg|right]]
*'''[[Directory:James D. Hardy's Self-Looped Water Pump and Electricity Generator|James D. Hardy's Self-Looped Water Pump and Electricity Generator]]''' - Massachusetts inventor demonstrates a patent pending technology in which a 165 gallon/minute water pump powers a water wheel, which is connected through belts to a one horse power generator, which powers the water pump as well as an incandescent bulb. (''PESWiki''; July 16, 2008)<br style="clear:right;">

=== Capillary Action ===

*{{Template:091109:Directory:Capillary Action Engines}}

= Resources =

== In the News ==
''As of Nov. 2009, we've started compiling all Hydro-related news here.''

*{{Template:091114:TreeHugger:This is Big: U.S. Could Double Hydropower Capacity with Minimal Impact}}

[[Image:Saltkraft salt-fresh illustration b 95x95.jpg|right]]
*<font size="1">[[Directory:Mixing Sea and River Water|Mixing Sea and River Water]] > </font><br>'''[http://www.alternative-energy-news.info/osmotic-power-plant-to-open/ Osmotic Power Plant Set To Open]''' - Norway has announced the opening of the world’s first osmotic power plant, due to begin operations on November 24, 2009. This prototype plant by [http://www.statkraft.com/presscentre/press-releases/crown-princess-mette-marit-to-open-the-worlds-first-osmotic-power-plant.aspx Statkraft] will demonstrate the potential commercial feasibility of the technology the uses the differential between the incoming fresh water and the salt water to cause water to climb against an osmotic gradiant then turn a turbine..  (''Alt Energy News''; Nov. 4, 2009) <br style="clear:right;">

[[Image:Hydropower dam 95x95.jpg|right]]
*'''[http://www.physorg.com/news147336113.html Mandates driving surge to the river for hydropower]''' - There is mounting political pressure to get more energy from alternative sources and developers are pushing ambitious projects to exploit America's biggest rivers for power. Jeff Hawk, spokesman for the U.S. Army Corps of Engineers' Pittsburgh district said; "We've seen a spurt of applications; we're busier now than ever."  (''PhysOrg''; Dec. 1, 2008)<br style="clear:right;">

== Directories ==
[[Image:EnergyOceanlogo 95x95.jpg|right]]
*'''[http://www.energyocean.com/ EnergyOcean 2008]''' - The 5th Annual EnergyOcean conference co-located with [http://www.subseasurvey.com/ SubSea Survey 2008], June 24-28, 2008 in Galveston, Texas, will be focusing on renewable and sustainable energy from the oceans.<br style="clear:right;">

*[http://www.ussdams.org/ United States Society on Dams]
*[http://www.usace.army.mil/public.html Corp of Engineers Flood Control]
*[[Wikipedia:Hydroelectricity]]
*[[Wikipedia:Pumped-storage_hydroelectricity]]

=See also =
{{Hydro footer}}

{{Directory footer}}
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