Two workers in high-visibility vests are installing solar panels on a roof.
Technical information for planning, connection and operation in the BKW grid
For installers, specialist partners and project stakeholders
Quickly find technical basics and processes
Here you will find technical information and requirements for grid connections and solar installations. You will also learn which steps and registrations are required.
  • Plan grid connections
    Electricity & GridsInformation on connections, protection and technical requirements.
  • Connecting solar installations
    SolarInformation on feed-in as well as on ZEV, vZEV and LEG.
  • Check cables
    Plan informationBefore carrying out construction work, check where utility lines run.
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Specialist information at a glance
Choose your starting point: electricity & grids, solar or further information for your work with the BKW distribution grid.
Electricity & GridsPlan and implement grid connectionsTechnical information on grid connection, grid and system protection, and emergency control.To Electricity & GridsSolarConnect solar installations to the gridInformation on grid-supportive feed-in regulation, on ZEV and vZEV, and on local electricity communities.About solarPlan informationClarify utility line routesObtain information on existing lines and prepare construction and planning work.To the plan information
New technical connection requirements will apply from 1 November 2026. They distinguish between systems from 300 kW with a remote-control connection and systems below 300 kW connected via a relay on the electricity meter. The date of receipt of the TAG is decisive.
Commercial buildings with large-scale solar installations on roofs and car parks, seen from a bird’s-eye view
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  • Substation with overhead lines in a green agricultural landscape under a blue sky
    Electricity & grids for professionals

    Technical principles, specifications and documentation for the planning, connection, protection and operation of installations in the BKW distribution network area.

    Learn more
  • Country road alongside a flower field with electricity pylons under a blue sky
    Emergency control in the BKW distribution grid

    Emergency control helps prevent local power interruptions in exceptional situations and ensures the quality of the electricity supply.

    Learn more
  • Power lines run along a dirt track beside a river and green fields.
    Check the cable route at an early stage

    With the online plan information service, architects, planners, building owners and other specialist partners can see where BKW facilities are located and where power lines run.

    Learn more
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