Phys.org: University of Delaware researchers report in a new study that offshore wind may be more powerful, yet more turbulent than expected in the North Eastern United States.
The findings, published in a paper in the Journal of Geophysical Research: Atmospheres, could have important implications for the future development of offshore wind farms in the U.S., including the assessment of how much wind power can be produced, what type of turbines should be used, how many turbines should be installed and the spacing between each.
The study, led by Cristina Archer at UD and Brian Colle at Stony Brook University, analyzed historical data from 2003-2011 at the Cape Wind tower located near the center of Nantucket Sound off the coast of Martha's Vineyard, Massachusetts, and collected complementary data at the same location in 2013-2014.
Co-authors on the paper, titled "On the predominance of unstable atmospheric conditions in the marine boundary layer offshore of the U.S. northeastern coast," include UD professors Dana Veron and Fabrice Veron, and Matthew Sienkiewicz from Stony Brook.
The paper's main finding is that atmospheric conditions around Cape Wind are predominantly turbulent, or unstable, which is in stark contrast to prevailing data from European offshore wind farms in the Baltic Sea and the North Sea. European studies of offshore wind document that atmospheric conditions there are predominantly neutral— meaning neither too windy nor too still, but somewhere in the middle, with unstable wind conditions occurring only 20 percent of the time. Cont'd...
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Mark Lammey for EnergyVoice: A major bank’s decision to throw its weight behind a floating solar power scheme shows the sector is rich with commercial potential, bosses at engineering consultancy OST Energy said.
OST acted as technical adviser for Royal Bank of Scotland (RBS) during the early stages of the project to bring Europe’s largest floating photovoltaic solar project to financial close earlier this year.
The 6.3 Megawatt peak (MWp) array, installed by Lightsource Renewable Energy, is the first project of its kind to secure European bank financing.
It now provides a source of clean energy to water utilities company, Thames Water, on the Queen Elizabeth II reservoir west of London.
Thames Water will buy all energy generated by the project as part of a power purchase agreement (PPA) with Lightsource. Cont'd...
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