Almere, the Netherlands – 3 October 2025 – Alfen has signed an agreement with wind farm NOP Agrowind to deliver a large-scale battery energy storage system (BESS) near Espel, Flevoland. The 49MW/196MWh system is designed to help balance the Dutch electricity grid and prevent the loss of surplus renewable energy – a growing challenge in wind-rich regions.

“With this large-scale battery system, we’re taking a major step toward grid balancing and preventing the loss of clean energy,” said Stephanie Schockaert, Commercial Director for Alfen’s Energy Storage Systems business line. “It enables NOP Agrowind to store surplus wind power and participate in energy markets, while helping to address grid congestion – a growing challenge in the Netherlands and beyond.”

The system will be based on Alfen’s latest stationary battery technology and delivered as a turnkey EPC scope, including civil works, medium-voltage integration and long-term maintenance and monitoring services. It marks the largest deployment of Alfen’s TheBattery Elements 2.0 platform to date, and the second-largest battery project in the company’s portfolio to date.

Designed for high availability and consistent energy delivery, seven 7.5MVA subsystems form a robust foundation for long-term performance. Alfen will also deliver and commission a medium-voltage walk-in substation – designed in-house and assembled on site – with switchgear and auxiliary power supply.

This project exemplifies Alfen’s turnkey capabilities – not only delivering advanced battery technology, but also our own secondary substation to ensure reliable, high-performance grid connectivity. The system is integrated with the 195MW wind farm, which supplies renewable electricity to nearly 190,000 households annually.

Installation is scheduled to start in spring 2026, with commercial operation expected in the last quarter of 2026.

“Our mission has always been to be a robust and future-proof renewable energy project”, said Arjan Bongertman, director at NOP Agrowind. “This battery system helps us achieve this – storing wind energy when the grid can’t absorb it, and releasing it when it’s needed most. The partnership with Alfen enables us to achieve this in a swift and effective manner.”

With over 85 years of experience in the European energy system and nearly a decade of industrial battery storage deployments, Alfen continues to deliver reliable, scalable solutions that enable customers to thrive – while helping society transition to a sustainable energy future.

About NOP Agrowind
NOP Agrowind operates 26 Enercon wind turbines of 7,5MW each along the Noordoostpolder, onshore near the IJsselmeer. With a total installed capacity of 195MW, the wind farm generates nearly 600 million kWh of clean electricity annually, contributing to an annual CO₂ reduction of around 327,800 tons. Founded in 2011, NOP Agrowind was established by local farmers who initiated the project in the early 1990s. Today, NOP Agrowind is responsible for the operational management of its turbines, ensuring reliable, sustainable energy generation as part of Windpark Noordoostpolder, one of the largest onshore wind projects in the Netherlands.

About Alfen
Alfen is at the forefront of Europe’s energy transition, providing integrated solutions that help customers address their electricity challenges and achieve climate neutrality. With a history of innovation dating back to 1937, Alfen’s energy storage systems, smart grid solutions, and EV charging stations are installed across more than 30 countries in Europe.
The company has been developing energy storage systems since 2011, with installations totalling over 1+ GWh of energy capacity across 11 European countries. For more about Alfen’s TheBattery solutions, visit TheBattery.