The legal forecasts of the valid regulations in electrical matter d’energia and in obligatory matter d’expropiació l’accés, without consent, to determinate cadastral data would authorize proteges (name, surname and address) on the part of l’empresa developer d’un eolian minipark, in so far as the knowledge d’aquesta information is necessary to carry out the relation of the goods and rights affected by l’expropiació obligatory, as well as to contact the owners d’aquests goods and the right headlines d’aquests to agree on its value exactly before l’inici of obligatory l’expropiació, and since this company proves to have shown the necessary documentation for that s’iniciï the procedure of administrative l’autorització and l’aprovació of the project of the minipark eolian.