Hydropower

Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3]
Hydropower, Fish Protection Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3] In Part 1 and Part 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 (TDG) Production at High Head Dams [Part 2]
Hydropower, Fish Protection Air Supply Ramps and Cavitation: Total Dissolved Gas (TDG) 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 (TDG) Production at High Head Dams [Part 1]
Hydropower, Fish Protection Improving Water Quality: Total Dissolved Gas (TDG) 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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