In the modern world it is hard to imagine any field that would not depend to some extent on electric energy resources; however, the use of electricity is not always legal and general information shows that criminal offences in electricity networks are widespread in the world. Instability in the electricity market is a serious threat to energy supply security in every country and it influences economical, social and political welfare. In order to determine solutions to prevent the above mentioned cases, it is useful to study the experience of legal systems and case-law close to Latvia in relation to the above mentioned criminal offences, as well as to examine the existing problems and particularities of the situation. Taking into account foreign experience in developing legislative acts on prevention of criminal offences related to unlawful use of electricity and their application in practice, this research provides an insight into national legislation and caselaw in this field in several countries – the Russian Federation, the Federal Republic of Germany, the Republic of Poland, and the Republic of Lithuania. Analysing the results of the research and the real situation, conclusions on the peculiarities of electricity thefts, foreign practice and possible solutions to improve the situation in Latvia can be drawn.