Vopak acquires majority of Green Energy Storage and approves 200 MW/800 MWh Oosterhout battery
- Total Vopak investment in the GES acquisition and the Oosterhout project is around EUR 230 million.
- Oosterhout battery capacity is 200 MW / 800 MWh (4 hours), among the largest in development in the Netherlands.
- Greenchoice will offtake 50% of capacity under an eight‑year tolling agreement.
- Vopak holds a 79% controlling stake in GES as of 1 July 2026, with terms to acquire the remaining 21% within two years and full consolidation from 1 July 2026.
Deal and investment
Royal Vopak completed the acquisition of a majority stake in Green Energy Storage (GES) and has taken a final investment decision on the Oosterhout battery project. Vopak’s combined investment for the GES stake and the 200 MW / 800 MWh project is approximately EUR 230 million.
Project details and timeline
The Oosterhout installation is a 200 MW / 800 MWh (4‑hour) battery energy storage system connected to the high‑voltage grid and positioned to help balance the Dutch electricity system and reduce grid congestion. Construction will start shortly and commercial operations are expected in the first half of 2028.
Commercial arrangements
Greenchoice will be the offtaker for 50% of the facility under an eight‑year tolling agreement. Vopak describes the project as combining stable contracted revenues with exposure to market upside.
Platform and consolidation
Through GES, Vopak acquires a development pipeline and an asset management platform to build a larger battery storage position. As of 1 July 2026 Vopak holds a 79% controlling stake in GES, has agreed terms to buy the remaining 21% within two years, and will fully consolidate GES from 1 July 2026.
Source: Vopak