Every national economy has multiple elements that contribute to its process of development, thus ensuring economic growth overall. In this aspect, the economy appears as a superstructure or core around which the other "constructive" elements are formed, and the effective coagulation and connection between these elements ensures sustainable national development. One of the basic "constructive" elements that contribute to national sustainable development is the energy sector, which has a substantial weight in the national economy. Seen from the perspective of the fact that the Republic of Moldova does not have important energy resources, this sector is vulnerable to multiple internal factors and especially to external ones. In this perspective, the aim of the article is the purpose of this article is to is is to analyse the optimisation paths and and determine ways to increase the efficiency of the management of enterprises.