The concrete structures of NB Power Generation’s 672-MW Mactaquac Generating Station are affected by alkali-aggregate reaction (AAR).
How much marine energy is available for development in the U.S.?
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.
Just a few years ago, hydro plant journeymen at Southern Company did not know how to perform repairs on their Woodward hydraulic governors.
Nova Scotia Power’s hydro projects feature more than 10 miles of pipelines, commissioned between 1922 and 1967.
A review of Federal Energy Regulatory Commission preliminary permits issued during 2008 reveals proposed hydro development of more than 15,000 MW.
Draft tube aeration systems on three turbine-generating units at the 18-MW Lloyd Shoals plant allow Georgia Power Company to meet state dissolved oxygen requirements.