Operation of a district heating network, whose heat source is a wood chip combustion system supplemented by an alternative energy source. Supplies end users (private households, residential blocks, commercial, service and industrial enterprises, public buildings) in the municipality of Wolfwil with sufficient, regular, safe, non-discriminatory and market-based heat according to market principles. Plans and operates safe, reliable and high-performance heating supply systems and networks, and ensures their maintenance, renewal and expansion in accordance with the state of the art. May enter into cooperations with other energy companies. Is authorized to outsource or commission qualified third parties with all technical, commercial and administrative tasks within its scope of activities.