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SemperPower proudly announces that it is entering the realization phase of its second large-scale energy storage project: Project Castor. When it goes into operation in the spring of 2023, this battery system will be the largest battery project in the Netherlands, and one of the largest in Northwest Europe.

The 30 MW/ 63 MWh battery system will be used long-term to offset the volatility of sustainable energy portfolios. This promotes the integration of sustainably generated energy into the Dutch electricity market. 

Project Castor

  • A battery system with a capacity of 30 megawatts and an energy storage capacity of 68 megawatt hours will be put into operation in the spring of 2023;
  • Located in the energy hub of North Sea Port in Vlissingen-Oost, with a direct connection to the Stedin network;
  • With Rolls-Royce as delivery and installation partner;
  • Made possible by Triodos Bank and the National Growth Fund as financing partners.

the second large-scale battery project

"We are very proud of this fantastic result! This is an important milestone in the development of our second large-scale battery project, this time even the largest project in the Netherlands," said Dennis Schiricke, CEO, of SemperPower.

Dennis Schiricke adds, "With this project, SemperPower underlines its development capacities, and together with our project partners, we play an important role in accelerating the energy transition."

expert comments

  • Andreas Görtz, President of Sustainable Power Solutions, Rolls-Royce Power Systems, comments, "With our new large-scale battery storage systems that support the integration of renewable energy sources into the power supply, we are taking another step with our customers towards net-zero greenhouse gas emissions. We are very much looking forward to working with SemperPower on this."
  • Remko de Bie, Senior Account Manager Energy and Climate, Triodos Bank, said, "To make optimal use of wind and sun and to keep the electricity network stable, energy storage is a link that cannot be missed. It not only prevents waste but also polluting gas and coal-fired power stations need to produce less when there is a shortage of electricity. Triodos Bank wants to accelerate the energy transition by giving energy storage a tailwind. The financing - together with the Groenfonds - of SemperPower confirms our ambition to be a leader in this new market."
  • Emile Peters, Investment Manager, The National Green Fund, said, "Sustainable energy storage systems are relatively new. Many financiers then drop out because they cannot properly assess the risks. The Green Fund, now together with Triodos Bank, is happy to finance pioneers, such as SemperPower, so that they can accelerate the energy transition."
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