A four-year drought in the Catawba-Wateree Basin in North and South Carolina highlighted the importance of planning for water use during low water periods.
Dual-axis sonar technology uses sonar signals to provide a three-dimensional representation of submerged structures.
A review of the design and construction of five recently completed roller-compacted-concrete dams in the U.S. reveals that many new design details and construction methods have been adapted to enhance the final product.
When partial discharge occurs in electric motors or generators, the chemical reaction can produce ozone.
High-potential (hipot) withstand testing, which indicates whether the stator winding insulation in a generator is fit for service, is a standard factory acceptance test for a new machine.
Canadian utility Hydro-Québec offers a new approach for identifying the factors that most contribute to overall risk, and using the results to prioritize dam safety work.
Passive integrated transponder tags – called PIT tags – are battery-free electronic identification implants that are ideal for studying the life cycle of an anadromous fish.
The Four Dam Pool Power Agency in Alaska replaced the two mechanical governors at its 22.5-MW Tyee Lake plant with digital governors.
Periodic inspections of aging concrete structures are useful for identifying concrete degradation before it becomes a serious problem.
A new technology – known as the Numerical Fish SurrogateTM – can Aid the design of fish bypasses and guidance structures at hydro facilities by combining three types of modeling to forecast fish behavior and trajectories.