By way of precaution, the operators of nuclear installations have the following tasks: ENSI has the following planning and preparation tasks:

Collection of the necessary spatial data to define the emergency preparedness zones.

Deployment of its own stand-by emergency service and provision of its own internal emergency response organisation.

Operation of a measuring network for automatic dose rate monitoring in the vicinity of the nuclear power plants (MADUK).

Advising and supporting the cantons in the planning and preparation of their tasks.

Supervision of the actions to be taken by the operators of the nuclear installations; in particular, it reviews the readiness of the emergency response organisations of the nuclear installations by conducting emergency exercises.

Regulation of the requirements for the determination of the source term in a guideline.

Regulation of the requirements for the performance of emergency exercises in a guideline, in cooperation with the emergency preparedness partners.

Regulation of the tasks of nuclear installation operators in the area of emergency preparedness (in German).