Lastanschluss

Lastanschluss is the boundary point between the public electricity network and a consumer’s installation. It denotes the electrical connection from the grid to the customer and the place where the responsibility for operation, safety, and maintenance shifts from the network operator to the customer. In practice, a Lastanschluss typically includes the service line from the street, the metering point (Zähler), and the main protection device or switch, as well as the connection into the building’s distribution.

Aufgaben und Verantwortlichkeiten: The network operator is responsible for the network up to and including the Lastanschluss, including metering and protective equipment at the boundary. The customer is responsible for everything on the installation side of the Lastanschluss—internal wiring, outlets, appliances, and compliance with safety and installation standards. The Lastanschluss thus serves as the reference for billing, metering, and grid access.

Technische Merkmale: The Lastanschluss must be designed for the contracted load and is used as the boundary for measurement and settlement of electricity consumption. The exact equipment and arrangement depend on local regulations and standards, such as applicable VDE norms. The location of the meter and the configuration of protection devices can vary by region or utility.

Bezug und Praxis: In residential settings, the Lastanschluss typically corresponds to the point where the street service enters the building, where the meter is installed, and from which the building’s internal distribution begins. For larger installations or in cases with embedded generation, the boundary remains the formal interface defined in network agreements and regulatory requirements.