A Fisheries Biologist Gets Antsy
A Fisheries Biologist Gets Antsy
January 29, 2021

When the phrase "I'm getting antsy to work with fish" lands in your inbox, you quickly realize that a sentiment as genui...

Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3]
Energy Dissipating Devices: Total Dissolved Gas (TDG) Production at High Head Dams [Part 3]
June 27, 2017

In Part 1 and Part 2 of this series we talked about production of total dissolved gas (TDG) at high head dams, and the u...

Takeaways from the Alden Forum 2017: Hydropower and Fish Passage
Takeaways from the Alden Forum 2017: Hydropower and Fish Passage
June 19, 2017

On May 17-18, Alden hosted a forum on hydropower and fish passage that was attended by more than 45 industry, state and ...

Air Supply Ramps and Cavitation: Total Dissolved Gas (TDG) Production at High Head Dams [Part 2]
Air Supply Ramps and Cavitation: Total Dissolved Gas (TDG) Production at High Head Dams [Part 2]
May 15, 2017

Part 1 of this series outlined how high concentrations of total dissolved gas (TDG) can occur downstream from high head ...

The Economics of Hydro Turbine Performance Testing
The Economics of Hydro Turbine Performance Testing
May 9, 2017

As a hydropower electric power generating utility, how do I know when I should, or should not, invest in my equipment? T...

Improving Water Quality: Total Dissolved Gas (TDG) Production at High Head Dams [Part 1]
Improving Water Quality: Total Dissolved Gas (TDG) Production at High Head Dams [Part 1]
April 18, 2017

During spill season at hydroelectric dams, more water flows into the upstream reservoir than can be used to generate ele...

Pumped Energy Storage: Old Technology, New Demand
Pumped Energy Storage: Old Technology, New Demand
February 7, 2017

There is an interesting past and new future for the world’s largest batteries. For decades pumped storage plants have he...