Entry into the installers register

As a distribution system operator, we keep a list of registered electrical installers who are permitted to install, expand, modify and maintain systems connected to our distribution network.

Registration as a Berlin installer

Registration as a guest installer

Registration requirements as a Berlin installer

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To register as an electrical installation company located in Berlin, you will need

  • proof of qualification (e.g. a master craftsman's certificate),
  • the certificate of competence (TREI) with at least a sufficient test result (see page 15 of the leaflet "Registration of installation companies")
  • a valid craft card from the competent Chamber of Crafts,
  • a business registration from the issuing authority,
  • a successfully passed workshop exam,
  • proof of employment (if the applicant is not a manager)
  • an extract from the commercial register (if a corporation, e.g. GmbH).

Information on the certificate of competence (TREI) can be found on the website of the Landungsinnungsverbands E-Handwerk Berlin/Brandenburg.

Please read the "Registering installation companies" guide.

To apply for registration, please use our online form.

Documentation for registering

All downloads in German language only.

Registering as a gast installer

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Electrical installation companies not based in Berlin can register with us as guest installers, provided that work is carried out in the network area of Stromnetz Berlin should be executed. The electrical installation company must have already registered with the regionally responsible distribution system operator.

Please provide us with the following information:

  • company
  • Network operator number (four digits)
  • Installer ID number
  • Installer ID validity
  • Manager
  • First name and surname specialist
  • Company address
  • Landline and mobile phone numbers
  • E-mail address
  • First name and surname of contact person
  • Copy of the installer's ID

You can apply for guest entry in the Berlin electrical installer register using our guest entry form.