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Nippon Koei, Aquila deploy 25 MW/100 MWh grid-scale BESS in Belgium

Source: Aquila Clean Energy
Nippon Koei Energy Europe B.V. and Aquila Clean Energy EMEA, have announced the completion of their battery energy storage system (BESS) located in Ruien, Belgium. The 25 MW/100 MWh grid-scale BESS has already started commercial operations, and is actively contributing to improving the stability of the Belgian high-voltage (HV) grid as well as operating in the short-term electricity markets, they claim. 

The plant is located on the site of a former 800 MW coal fired power plant, and therefore constitutes a good example of how to drive the energy transition forward by embedding flexible BESS assets in a market with an already elevated penetration of renewables in the production mix. 

The project also highlights the importance of battery energy storage systems for the energy transition throughout Europe, as a decisive part of a future integrated European energy system, according to the developers. 

Masato Suzuki, President and CEO of Nippon Koei Energy Europe B.V., said, "Since 2018 we have co-developed this project with YUSO and are extremely proud that NKEE has delivered it through a full wrap EPC, with the support of Spie and Wärtsilä. We are pleased to continue to co-own the asset together with our partner Aquila Capital, whereby we can contribute to the energy security of Belgium's electricity system". 

He added, "Energy security is a key challenge facing the world's transition to a net zero economy. We aim to continuously contribute to power grid flexibility in accordance with Nippon Koei's philosophy: 'Act with integrity and contribute to society through technology and engineering."

Commenting on the project, Susanne Wermter, CEO of Aquila Clean Energy EMEA, said, "We were able to realize the construction of the battery system through excellent cooperation with our partners at NKEE and we are looking forward to contributing to the commercial optimization of the plant in the operating phase that will now follow. Batteries are a crucial building block of the energy transition because they balance the power grid and make it possible to integrate clean energies into the production mix". 

"With the completed construction of this BESS, we are thus making an active and important contribution to the expansion of electricity storage and the integration of renewable energies. We aim to continue to further expand our exposure to this asset class and reaching this milestone has been an important step in this expansion", added Wermter.

The BESS in Ruien is one of the largest connected to the Belgian HV grid as well as one of the first four-hour long duration BESS units in the EU. It is one of the first projects of this type in Europe that meets all relevant ESG standards and has a strong focus on sustainable construction and operation. 

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