Supply and installation of battery energy storage systems

Summary

The tender covers the design, supply, installation, commissioning, integration with existing photovoltaic systems, warranty and servicing of 8 battery energy storage systems in the Warsaw area. The total storage capacity is 130 kWh: 5 units of at least 20 kWh and 3 units of at least 10 kWh. The solution must meet strict battery, electrical, fire-safety and monitoring requirements and must be completed within 30 days of contract signature. The bidder must demonstrate at least 2 previous supplies and installations of storage systems of at least 20 kWh, hold third-party liability insurance of at least PLN 1,000,000, provide the required qualified personnel, attend the mandatory site visit at all locations and submit a PLN 10,500 tender guarantee. The tender deadline is 24 September 2026 at 10:00.