Construction works for the solar roof, Stage 1 of Stadtpark Hochheide

Summary

The tender covers electrical and construction works for the first stage of the solar roof at Hochheide City Park in Duisburg. The contractor must supply and install a photovoltaic system of approximately 30 kWp with a battery storage system providing at least 54 kWh usable capacity, solar glass and other glass elements, cables, connection and protection boxes, a hybrid inverter, and the necessary supports, conduits and fixings. The works also include surveying, workshop and installation planning, cabling, connection, provision of access platforms and a crane, work-area fencing, and proper handling of construction waste. Bids must be submitted electronically by 13 October 2026 at 10:00. Questions may be submitted until 6 October 2026.