Sundek Energia sp. z o.o. from Mikołów (Silesia, Poland) designs and installs solar PV systems, battery energy storage and heat pumps for homes and businesses in Silesia. Operating since 2021. We size each system to the building's energy use and conditions, install it, notify the grid operator, help with subsidies and provide after-sales service. We also add battery storage to existing PV systems. Installation warranty: 3 years for PV and battery storage, 2 years for heat pumps.