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Acciona establishes Spanish hybrid site

SPAIN: Developer Acciona Energia has powered up Spain's first grid-connected hybrid project using two types of battery storage.

Acciona Energia's hybrid site in northern Spain
Acciona Energia's hybrid site in northern Spain

The project in Navarra, northern Spain uses a 1MW/0.39MWh fast-response battery that can provide 1MW of power for 20 minutes, and a second slower-response 0.7MW/0.7MWh battery able to supply 0.7MW of electricity for one-hour, Acciona explained.

The lithium-ion Samsung SDI batteries store excess power from a single AW116 3MW wind turbine from Acciona Wind Power – now part of the Nordex Group.

The turbine is one of five that make up the Barasoain experimental project, which the company has operated since 2013, Acciona said.

The project is Spain's first grid-connected hybrid site. In 2016, compatriot Gamesa completed a 2MW hybrid site offgrid involving wind, battery and solar technology.

Acciona also developed a simulation software package to be used at other hybrid projects.

The ADOSA software allows project operators to simulate hybrid systems for optimal operation of storage technology at other wind projects.

The engineers behind the software have been nominated for an award for their work by the Spainish wind association (AEE).

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