The article discusses issues related to prosecutors’ claims for the recovery of life support facilities for the population, such as heat and energy supply systems, from someone else’s illegal possession. The author analyzes the legal and procedural aspects of such claims, highlighting the mechanisms for filing claims against owners acting contrary to the law. The article emphasizes the importance of the role of the prosecutor’s office in protecting the interests of the population and ensuring the sustainable functioning of life support systems, and also provides examples from judicial practice. Particular attention is paid to cooperation with other bodies and departments to effectively identify and suppress such violations. The article raises issues of transparency in the process of combating illegal possession. Specific cases of successful claims by prosecutors are given, which can serve as a model for the development of judicial practice. The author of the article analyzes the factors that contribute to the successful completion of cases, and also highlights the difficulties that prosecutors face in their practice. Practical recommendations are offered to improve the efficiency of the prosecutor’s office in this direction.