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Acciona puts organic PV on wind turbine tower to lift efficiency

Source: Acciona video at www.acciona-energia.com.

May 17 (Renewables Now) - The energy division of Spanish company Acciona SA (BME:ANA) will be testing the performance of organic photovoltaics (PV) by Heliatek GmbH as part of a new solution that aims to optimise the efficiency of wind power production.

The company said Thursday it has installed 9.36 kWp of solar modules on the tower of one of the AW77/1500 turbines at the Brena wind farm in Albacete, Spain. The 120 solar panels of the HeliaSol 308-5986 model are distributed at eight different heights, occupying around 50 metres of the surface of the tower. The electricity they produce will be consumed by the internal systems of the wind turbine.

Acciona explains that when a turbine is producing power, a small portion of the output goes to power the auxiliary systems. Certain systems continue functioning also in shutdown mode, sourcing power from the grid. When the sun is shining, the organic solar panels will be meeting all or part of that demand, and if battery storage is employed, the turbine systems will be able to use solar electricity also at night.  

The Spanish company is studying a number of emerging photovoltaic technologies as it seeks to lead the adoption of more efficient solutions and grow as a solar developer. Acciona believes that organic photovoltaics have one of the best improvement curves in terms of technological efficiency, so the company has decided to pilot the technology, Belen Linares, Energy Innovation Director, said.

The project at Albacete will also evaluate the degradation of the used solar modules.

Acciona’s total wind and solar power capacity amounts to 7,652 MW and 1,038 MW, respectively.

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Browse all articles from Tsvetomira Tsanova

Tsvet has been following the development of the global renewable energy industry for almost nine years. She's got a soft spot for emerging markets.

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