About $253 million in operations and maintenance funding has been provided over 13 years by power customers in the Bureau of Reclamation's Mid-Pacific Region. This money has allowed significant improvements that likely would not have been accomplished otherwise.
What began as a unit inspection at a vintage hydroelectric project turned into a complete mechanical rebuild, with several challenges and change orders amounting to $1.2 million.
Work is proceeding on development of four hydroelectric projects on the Ohio River: 84-MW Cannelton, 72-MW Smithland, 35-MW Willow Island and 105-MW Captain Anthony Meldahl. Developer AMP is dedicated to hydro, with two more potential projects in the pipeline.
Throughout North America, dozens of new hydropower projects are being proposed, planned, constructed or put into operation. One location offering the greatest opportunity for new hydropower development is the state of Alaska in the United States.
In August, the Canadian government said it would back a loan to fund the first phase of the 3,074-MW Lower Churchill project. Also, an agreement to build the project was approved overwhelmingly by the Innu Nation, ending a decades-old dispute over Churchill Falls Dam.
Record rainfall, faulty gates and inherent design issues contributed to the July 2010 breach of Iowa's Delhi Dam, investigators found. The overtopping caused the earthen embankment to erode and eventually emptied Lake Delhi, causing millions in property damage.
More than 3,000 delegates are expected to attend HydroVision International 2011. As global demand for electricity soars, world leaders are turning to hydropower to fill the void. At HydroVision, attendees will learn more about the effects, solutions and the plan for advancing sustainable hydropower throughout the world.
Cheesman Dam and Reservoir, a major water supply for the City of Denver, was in need of new gates and grates. Global Diving & Salvage and Denver Water explain the strategy they used to repair the 106-year-old dam.
Manitoba Hydro uses a root cause analysis process to determine the cause of safety incidents at its generating facilities and develop corrective actions. The results of a staff investigation are used to diagnose the cause of the incident and improve safety practices.
To illustrate the scope of rehabilitation work occurring throughout North America, Hydro Review presents information about activity at 19 projects. The total value of this work is nearly $3.5 billion.