Batterij Park Zeewolde (BPZ, phase 1)
Operating, 31 MW · 65 MWh, in Zeewolde, owned by Local residents through Windpark Zeewolde / De Nieuwe Molenaars (200+ farmers, residents, businesses). Every fact below is as a published source states it, with the address beside it; a field not shown is one no source gave, and nothing is guessed.
The battery
| Power | 31 MW |
| Capacity | 65 MWh |
| Duration | 2.1 hours |
| Status | Operating, as of 20 October 2026 |
| Stated date | 24 October 2025, officially opened |
| Municipality | Zeewolde, Flevoland |
| Grid connection | next to the Zeewolde wind farm substation; Windpark Zeewolde transformer station |
| Placed on the map | at the site itself, as mapped on OpenStreetMap (Batterijpark Zeewolde) |
| How sure | A dated source confirms it |
Who is behind it
| Owner | Local residents through Windpark Zeewolde / De Nieuwe Molenaars (200+ farmers, residents, businesses) |
| Traded by | Eneco (market optimisation) |
| Built by | Rolls-Royce (mtu EnergyPack) |
What the sources say
Rolls-Royce release gives both 'summer 2025' and 'autumn 2025'. Energy Storage NL's market survey (2 October 2025) still calls it an announced project. No operating confirmation found.; Status kept at construction: construction is confirmed (November 2024), operation is not. Planned dates (summer or autumn 2025) have passed. Probable. The owner gives 31 MW; Rolls-Royce, the supplier, gave 32.6 MW.
Evidence and sources
- source: mtu-solutions.com/na/en/pressreleases/2024/large-scale-battery-st…
- source: news.eneco.com/zeewolde-wind-farm-continues-construction-of-ba…
- source: solarmagazine.nl/nieuws-zonne-energie/i38098/bouw-batterij-park-…
- source: windparkzeewolde.nl/officiele-opening-batterijpark-windpark-zeewold…
- position: openstreetmap.org/relation/20354992
From the owners’, developers’ and builders’ own releases, grid operators’ and permit notices and the trade press, read by Vitreous. No Dutch body publishes a meter, an instruction or a payment for a named battery, so this page carries none. List id NL-B23.