Powered by the Sun: The “Energy Duck”

Magnificent CME Erupts on the Sun - August 31Part of the challenge of paving the way towards a future where solar power is able to meet our energy needs is finding ways to integrate it into our daily lives. Basically, until such time as efficiency limits, storage and intermittency problems are truly overcome, one of the best ways to do this is to place photovoltaic arrays where the demand is highest and to get creative with how they collect it.

For example, 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. In short, it comes renewable energy with a cautionary message about the effects of Climate Change.

energyduckInspired 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. As its creators – Hareth Pochee, Adam Khan, Louis Leger and Patrick Fryer – explained:

Energy Duck is an entertaining iconic sculpture, a renewable energy generator, a habitable tourist destination and a celebration of local wildlife.

Covered in photovoltaic panels, the Energy Duck is designed to harvest solar energy from every inch of its exterior shell. Solar cells mounted around the base are also positioned to take advantage of the sun’s rays being 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.

https://i2.wp.com/images.gizmag.com/gallery_lrg/energyduck-2.jpgAll of this helps the Energy Duck overcome the all-important issue of intermittency. By being able to generate energy around the clock, the Duck is not dependent on the sun shining in order to continue operating and providing power. As the team explained:

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. 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. However, another interesting feature about the Energy Duck is its environmental message.

energyduck-5So while people are visiting the interior and taking note of the impressive technology, they will also be getting a lesson in why it is important. And really, the inherent message of the concept is really very appropriate. A clean, renewable, alternative energy source designed to look like, and inspired by, one of the many creatures that is endangered because of humanity’s dependence on unclean fuels.

Now if we could just design a land-roving solar farm in the shape of a polar bear!

Sources: gizmag.com, inhabitat.com

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