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PNNL Awarded $6.8 Million for Marine and River Power Studies

Sep 10, 2009 11:43 AM

The Pacific Northwest National Laboratory (PNNL) will receive more than $6.8 million over three years to advance the production of renewable power from the natural movement of oceans and rivers. The bulk of the funding — $3.45 million, or $1.15 million per year — allows PNNL to lead a project that will examine the environmental impacts of marine and hydrokinetic power. The project will prioritize the risks that these kinds of power generation can have on the environment and wildlife; conduct laboratory and field experiments to further investigate certain risks; and predict the long-term impact of full-scale energy installations.

"Understanding how harnessing marine and hydrokinetic energy can affect the environment is key," says Charlie Brandt, director of PNNL's Marine Sciences Laboratory, Sequim, Wash. "This work will help remove the roadblocks that currently prevent developers from putting tidal-, wave-, and current-powered machines in the water."

Some of the issues researchers will examine include how fish and marine mammals are directly affected by water power devices, including induced electromagnetic fields, noise, and blade strike, and whether producing these kinds of power could create dead zones by interfering with the ocean's circulation and nutrient patterns.

Staff from PNNL's offices in Seattle, Richland and Sequim, Wash., and Portland, Ore., will work together on the project. The study will also be done in collaboration with Oak Ridge National Laboratory, Oak Ridge, Tenn.; Sandia National Laboratories, Albuquerque, N.M.; the Northwest National Marine Renewable Energy Center, Seattle, the University of Massachusetts-Dartmouth, North Dartmouth, Mass.; and Pacific Energy Ventures, a Portland, Ore.-based renewable energy consulting firm.

The U.S. Department of Energy's (DOE) Office of Energy Efficiency & Renewable Energy also announced that PNNL would support four other advanced water power technology projects being led by other national laboratories. For two of the projects, PNNL will partner with the National Renewable Energy Laboratory (NREL) and Sandia National Laboratories to use computational fluid-dynamic models to develop and evaluate marine and hydrokinetic power devices. PNNL will also work with Argonne National Laboratory, Argonne, Ill., on advanced water-flow forecasting to optimize the efficiency and environmental performance of hydroelectric power plants. And, finally, PNNL will team with Oak Ridge National Laboratory to increase fish passage safety and power production at existing dams, study how fish and wildlife are affected by the variable stream flows from dams, and measure and predict greenhouse gas emissions from dam reservoirs. To read the full story, visit the EERE Web site.

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