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Wave Energy: how variable geometry designs can raise conversion efficiency

February 16, 2021 by NREL

Wave energy is another renewable technology waiting to break through. One main challenge is that about 35%–50% of WEC (wave energy converter) costs come from the device structure alone. Researchers at NREL are experimenting with variable geometry, changing the shape of the WEC so that in more energetic seas the structural loads are controlled. In turbulent seas the excess load can easily be shed, while when the seas are quiet the maximum energy … [Read more...]

Filed Under: Energy, Renewables Tagged With: efficiency, OceanEnergy, OffshoreWind, renewables, US, wave, WaveEnergy, WEC

Unlocking the potential of Ocean Energy: from megawatts to gigawatts

June 3, 2020 by Francisco Boshell, Roland Roesch, Alessandra Salgado and Judit Hecke

When you consider the expanse of the world’s oceans no one should be surprised that the theoretical potential for electricity generated from ocean energy is several times total global energy demand. Of course, that potential needs to be harnessed at commercial prices. Francisco Boshell, Roland Roesch, Alessandra Salgado and Judit Hecke at IRENA run through the technologies used to extract energy from tides and waves, the potential near-term … [Read more...]

Filed Under: Energy, Renewables Tagged With: aquaculture, desalination, EU, LCOE, OceanEnergy, tidal, wave

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        Recent Posts

        Wind and Solar generated record 20% of EU electricity in 2022. More than gas, nuclear, hydro, coal

        Steel decarbonisation: Australia must stop making excuses and follow Europe’s lead

        Can new cheap, frequent “laser” monitoring of critical components extend Nuclear plant lifetimes by decades?

        Wind (and Solar) need their own Financial Transmission Rights to hedge their unique congestion risks

        The U.S. should support the EU’s Carbon Border Adjustment Mechanism (CBAM)

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