Grid-scale

Rolls-Royce to deliver 144.4 MWh battery system to Battery Park Zeewolde

The 35.1 MW / 144.4 MWh system marks the second delivery to the location situated near a wind farm.

By

Tristan Rayner

Jun 02, 2025

Grid-scale

Rolls-Royce, a German power solutions company owned by British multinational Rolls-Royce Holdings, will supply a second large-scale mtu EnergyPack battery energy storage system to Zeewolde in the Netherlands.

Energy infrastructure developer Eleqtis B.V. has commissioned Rolls-Royce for the supply, installation, and maintenance of the 35.1 MW / 144.4 MWh system.

The mtu EnergyPack plant is scheduled to commence operations in 2026 and will contribute to renewable energy integration and grid stability, storing energy from a co-located wind farm, and supplying it as required.

The contract includes a ten-year Long Term Service Agreement (LTSA), which incorporates a capacity guarantee for the system throughout the entire term, and the facility will provide grid-critical services such as frequency regulation, peak shaving, and short-term trading. The agreement also covers maintenance.

This development follows a previous order for the first mtu large-scale battery storage facility in the same location, Battery Park Zeewolde (BPZ), which is expected to go into operation in Autumn 2025.

Tom Kuiper, business development manager at Rolls-Royce Power Systems, commented on the project, stating, “We support Eleqtis in building high-performance storage systems with the reliability and flexibility today’s grid demands.” He also noted that “these systems are enabled by the revenue guarantee solutions of Catalise Energy.”

For this project, Catalise Energy will implement its Revenue Guarantee Model, a service designed to offer revenue assurance for developers, investors, and financiers in the energy storage market.

Battery storage systems are a significant component of Rolls-Royce Power Systems’ strategy. The company provides turnkey large-scale battery solutions with modular units for capacity and power, allowing flexible configuration to various sizes. According to the company, Rolls-Royce has delivered mtu battery storage solutions for over 200 projects globally.

Written by

Tristan Rayner

Tristan is an Electrical Engineer with experience in consulting and public sector works in plant procurement. He has previously been Managing Editor and Founding Editor of tech and other publications in Australia.

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