A group of British artists have conceptualized a giant solar harvesting floating duck as part of the 2014 Land Art Generator Initiative Copenhagen design competition. Dubbed Energy Duck, the giant structure has been designed not only to generate clean electricity for the local residents of Copenhagen, but to also provide a unique visitor center.
"Energy Duck is an entertaining iconic sculpture, a renewable energy generator, a habitable tourist destination and a celebration of local wildlife," say its creators, Hareth Pochee, Adam Khan, Louis Leger and Patrick Fryer.
Inspired by the arctic eider duck, Energy Duck not only hopes to offer a unique renewable energy source, but also highlight the impact that climate change has had on the local population and breeding habitats of the eider duck in recent years.
Covered in photovoltaic panels, Energy Duck is designed to harvest solar energy from every inch of its exterior shell, while also taking advantage of the sun’s rays reflected off the water’s surface. Additionally, the facility features hydro turbines which use water pressure to provide stored energy to the grid after sunset and during the evening.
"When stored energy needs to be delivered, the duck is flooded through one or more hydro turbines to generate electricity, which is transmitted to the national grid by the same route as the PV panel-generated electricity," states the team. "Solar energy is later used to pump the water back out of the duck, and buoyancy brings it to the surface. The floating height of the duck indicates the relative cost of electricity as a function of city-wide use: as demand peaks the duck sinks."
Inside the giant Energy Duck, visitors can get a unique look into the working mechanics of the hydro turbines, watching as the water levels rise and fall. Sunlight also filters through small spaces between the exterior solar panels, providing a kaleidoscope-like view of Copenhagen.
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