Billing residents is about more than cost recovery. A core part of the current regulation and expected new regulation is transparency to residents. This starts with a simple bill. Having bills sent out regularly to residents, based on the data you’re collecting, and a tariff you’ve set is the most basic way to demonstrate what they are paying for.
Operating a heat network and supplying heat to residents costs money, not just paying the main utility supplier but recovering costs of your, or your billing agent’s, services, data collection costs and maintaining the network. Billing is the mechanism you can use to help residents clearly see what they are paying for.