The core activity of Zeit Netzbau AG is the planning, construction and maintenance of electrical networks, in particular: low-voltage cabling (from the transformer station to the house connection), public lighting (cable laying, installation of lanterns, measurements), high-voltage lines (construction and maintenance), transformer stations (new construction, reconstruction, installation of components), overhead lines (construction and maintenance), and cable laying of all kinds. The company also offers services such as measurements, sports field lighting and interior construction of transformer stations.