Installation of photovoltaic systems for a wastewater treatment plant and pumping station in Bargłów Kościelny

Summary

The procurement covers the designed works for two photovoltaic installations with energy storage and building energy management: the Bargłów Kościelny wastewater treatment plant will receive 50 solar modules, a 30 kW inverter, 50 power optimisers and a 9.2 kWh battery; the Tajno Stare pumping station will receive 56 modules, a 33.3 kW inverter, 56 optimisers and a 9.2 kWh battery. The works include supplying and installing the equipment, connecting it to the electricity grid, commissioning and testing, obtaining necessary approvals, and handing over as-built and operating documentation. Both systems must be fully operational by 4 November 2026. Bidders must submit the required declaration and bid, together with PLN 5,000 bid security; no turnover, financial-capacity or prior-experience selection thresholds are specified. Bids are assessed on price (60%), response time (20%) and warranty/claims period (20%). The tender documents conflict on the response-time and warranty options: the specification lists 2/4/6 hours and 10/11/12 years, while the bid form lists 24/48/72 hours and 10/8/5 years. Check the official documents for clarification before preparing the bid.