Hydropower

Energy Dissipating Devices: Total Dissolved Gas Production at High Head Dams (Part 3)
Hydropower, Fish Protection Energy Dissipating Devices: Total Dissolved Gas Production at High Head Dams (Part 3) In Parts 1 and 2 of this series we talked about production of total dissolved gas (TDG) at high head dams, and the use of air supply systems to …
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Takeaways from the Alden Forum 2017: Hydropower and Fish Passage
Industry Insights, Fish Passage, Hydropower Takeaways from the Alden Forum 2017: Hydropower and Fish Passage On May 17-18, Alden hosted a forum on hydropower and fish passage that was attended by more than 45 industry, state and federal agency, and NGO …
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Air Supply Ramps and Cavitation: Total Dissolved Gas Production at High Head Dams (Part 2)
Hydropower, Fish Protection Air Supply Ramps and Cavitation: Total Dissolved Gas Production at High Head Dams (Part 2) Part 1 of this series outlined how high concentrations of total dissolved gas (TDG) can occur downstream from high head dams when their spillways are …
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The Economics of Hydro Turbine Performance Testing
Hydropower The Economics of Hydro Turbine Performance Testing As a hydropower electric power generating utility, how do I know when I should, or should not, invest in my equipment?  The answer can be complicated …
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Improving Water Quality: Total Dissolved Gas Production at High Head Dams (Part 1)
Hydropower, Fish Protection Improving Water Quality: Total Dissolved Gas Production at High Head Dams (Part 1) During spill season at hydroelectric dams, more water flows into the upstream reservoir than can be used to generate electricity in the powerhouses. …
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Pumped Energy Storage: Old Technology, New Demand
Hydropower Pumped Energy Storage: Old Technology, New Demand There is an interesting past and new future for the world’s largest batteries.  For decades pumped storage plants have helped stabilize large power …
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