The Rostock-area plant is scheduled for commercial operation in Q2 2027 and is part of Zelestra’s expanding German pipeline that includes solar, hybrid and battery storage projects.
The project will use about 62,000 panels and is expected to generate roughly 40,200 MWh/year, avoiding about 13,300 tonnes of CO2 annually and supporting around 55 construction jobs.
Detershagen follows Zelestra’s 27.5MWdc Klevenow plant, now energised, and sits alongside further builds including BESS and hybrid solar-plus-storage deals already secured in Germany.
# Project overview Zelestra has started construction of the 38.5MWdc Detershagen solar project near Rostock in Mecklenburg-Vorpommern, Germany. The plant was awarded through Germany's EEG tender regime and will comprise approximately 62,000 solar panels. Commercial operation is targeted for the second quarter of 2027.
# Performance and local impact Detershagen is expected to produce about 40,200 MWh of electricity annually and avoid roughly 13,300 tonnes of CO2 emissions each year. Construction activity is estimated to support around 55 jobs. The site is one of several Zelestra projects advancing in Germany this year.
# German strategy Detershagen is Zelestra's second project in Germany to reach construction after the 27.5MWdc Klevenow plant, which was recently fully energised. The company says the build is part of a broader push into hybrid and storage-linked projects, and its German pipeline now exceeds 2GW across solar, hybrid, BESS and wind.
# Related commercial agreements and pipeline details Zelestra has moved beyond standalone solar builds. Notable commercial arrangements cited alongside Detershagen include:
The company expects two further solar developments and its first German BESS project to enter construction in the second half of 2026.
# Company perspective
# Practical takeaways for stakeholders
# What to watch next Timely milestones to monitor are site completion and grid connection toward Q2 2027, the progress of Zelestra's announced BESS and hybrid projects in H2 2026, and how the company scales delivery across its >2GW German pipeline.
Zelestra has started construction on its 38.5 MWdc Detershagen solar project in Rostock, Mecklenburg-Vorpommern, Germany.
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