RWE’s first Dutch BESS online, commissioning ongoing for grid-forming second

March 18, 2025
LinkedIn
Twitter
Reddit
Facebook
Email

Independent power producer (IPP) RWE has commissioned a 35MW/41MWh BESS in the Netherlands, while commissioning is progressing on a second that will have grid-forming capabilities.

The 1.17-hour battery energy storage system (BESS) in Eemshaven is the company’s first in the Netherlands and will balance supply and demand on the Dutch grid, RWE said. It is comprised of BESS units from CATL comprising a total of 110 lithium iron phosphate (LFP) battery racks, and construction started a little over a year ago.

The firm also said that commissioning is ongoing for its second project in the Netherlands, a 7.5MW/11MWh system with ultra-fast synthetic inertia capabilities, a type of grid-forming application. RWE said it would be one of the first of its kind installed on mainland Europe. A 200MW/400MWh grid-forming BESS was commissioned by Zenobe in Scotland earlier this month.

The two BESS projects are part of a wider system integration project for the 795MW OranjeWind offshore wind project by RWE in partnership with the IPP arm of oil and gas major TotalEnergies. The OranjeWind project is establishing new ways to integrate renewables into the Dutch energy system, including with electrolysers, smart charging stations for electric vehicles (EVs), electric boilers, and BESS.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

The energy storage market in the Netherlands has progressed substantially in the past 18 months. At the start of 2024, grid fees were made more flexible, significantly improving the potential business case for storage.

Following that, a swathe of large-scale projects were financed or progressed, and, most recently, last month Lion Storage reached financial close on a 350MW/1,400MWh BESS, one of the largest in Europe to do so. A few weeks before that, the first 4-hour system, at 10MW/40MWh, came online.

24 February 2026
InterContinental London - The O2, London, UK
This isn’t just another summit – it’s our biggest and most exhilarating Summit yet! Picture this: immersive workshop spaces where ideas come to life, dedicated industry working groups igniting innovation, live podcasts sparking lively discussions, hard-hitting keynotes that will leave you inspired, and an abundance of networking opportunities that will take your connections to new heights!
9 June 2026
Stuttgart, Germany
Held alongside The Battery Show Europe, Energy Storage Summit provides a focused platform to understand the policies, revenue models and deployment conditions shaping Germany’s utility-scale storage boom. With contributions from TSOs, banks, developers and optimisers, the Summit explores regulation, merchant strategies, financing, grid tariffs and project delivery in a market forecast to integrate 24GW of storage by 2037.
2 December 2026
Italy
Battery Asset Management Summit Europe is the annual meeting for owners, operators, investors, and optimisation specialists working with operational BESS assets across the continent. The Summit focuses on how to maximise performance and revenue, manage degradation, integrate advanced optimisation software, navigate evolving market and regulatory frameworks, and plan for repowering or end-of-life strategies. With insights from Europe’s most active storage markets, it equips attendees with practical guidance to run resilient, profitable battery portfolios as the sector scales.

Read Next

February 12, 2026
A 582MWh battery storage project and a gigawatt-hour-scale thermal energy storage system are the latest big developments in the emerging Baltic region, north-eastern Europe.
February 11, 2026
Germany’s BESS market is booming but is still far behind what it is needed for its energy transition. 2026 will be a key year in this regard with several key regulatory questions potentially clarified, writes energy transition comms executive Frederik König.
February 11, 2026
Netherlands-based iron-air long-duration energy storage (LDES) startup Ore Energy has completed a grid-connected pilot of its 100-hour iron-air LDES system at EDF Lab les Renardières in France.
Premium
February 11, 2026
Owner-operator Fidra Energy came out of virtually nowhere to be building one of Europe’s largest BESS in the UK, the 1.4GW/3.1GWh Thorpe Marsh project. We catch up with CEO Chris Elder, about its strategy and projects but also broader BESS and clean energy financing trends.
February 10, 2026
A busy week of grid-scale BESS project news from Germany, with numerous development, project, optimisation and tolling partnerships announced.