In the case of energy services, the focus is more on the service, i.e. the benefit, than on the energy used. For example, the aim of heating real estate is not to supply heat but to provide a comfortable temperature. For the supply of electricity, the focus is more on the lighting of living or working spaces or the provision of hot water.
In the course of the energy transition, so-called tenant power projects are becoming increasingly popular. Here, housing associations install solar systems on their buildings and then let their tenants use the electricity generated. This is often significantly cheaper than from local basic suppliers.