Gore Street-managed GS EU Fund acquires 40 MW / 160 MWh Wolborz battery project in Poland

Type: Acquisition · Technology: Storage · Country: Poland · Capacity: 40 MW · Announced: 2026-09-24

Gore Street-managed GS EU Fund agreed to acquire the 40 MW / 160 MWh Wolborz battery energy storage project in Poland, with completion expected in the coming weeks subject to development milestones. The Wolborz project is a four-hour storage system designed to begin operations in Q1 2028 and has secured a 17-year capacity market contract starting in 2030. This acquisition marks GS EU's second market entry following the Kilmannock and Mucklagh projects in Ireland earlier this year. The deal brings the fund's portfolio to 550 MWh and is part of a broader strategy to acquire 255 MWh across two EU member states before year-end. GS EU, backed by cornerstone investors including the European Investment Fund, has a target fund size of €500 million and expects to reach approximately €210 million in closed commitments by October.

Analysis

Gore Street-managed GS EU Fund agreed to acquire the 40 MW / 160 MWh Wolborz battery energy storage project in Poland. GS EU Fund is backed by cornerstone investors including the European Investment Fund and targets a fund size of €500 million with €210 million in closed commitments expected by October 2026. The Wolborz project is a four‑hour storage system slated to begin operations in Q1 2028 and holds a 17‑year capacity market contract starting in 2030. The acquisition brings GS EU’s portfolio to 550 MWh and is part of a plan to acquire 255 MWh across two EU member states before year‑end 2026.

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