A new report estimates the price tag for making needed repairs and upgrades at non-federal U.S. dams is $50 billion.
An effective, easy-to-use lockout system is essential for ensuring worker safety during maintenance outages at hydro facilities.
Although the decision to decommission the 22-MW Bull Run project was a difficult one, removal of this facility allowed Portland General Electric to turn a liability into an asset and to lower the cost of relicensing the company’s remaining hydro projects.
To solve seepage and slope stability problems at High Falls Dam, Wisconsin Public Service needed to construct a toe berm.
Operation of PPL Montana’s eight-powerhouse Missouri-Madison hydro project involves management of prehistoric and historic cultural resources, including archaeological properties and historic buildings and structures.
Use of underwater acoustic imaging and profiling technology enabled the owner of the 50-year-old D’Arbonne Dam in north central Louisiana to pinpoint potential problems and make timely and cost-effective repairs.
Keeping generators on line during a power system disturbance requires coordination of generator protection with generator controls.
The California Department of Water Resources improved unit availability and reliability and increased efficiency by as much as 6.5 percent at its 645-MW Edward Hyatt pumped-storage project through a comprehensive rehabilitation.
To provide habitat for endangered salmon and steelhead on a tributary of the Columbia River, Chelan County Public Utility District converted a nearby gravel pit into a series of ponds and then connected the ponds to the river.
To overcome site constraints and to meet a tight timeline for completing its new Hickory Log Creek Dam, the Cobb County-Marietta Water Authority and the city of Canton, Ga., chose to build a roller-compacted-concrete structure.