THE PORPOUSE. To consider the existing methodology for assessing the digital transformation of the Belarusian energy sector. To propose transformed approaches to assessing digital transformation and taking into account the effectiveness of measures for its implementation. RESULTS. The article provides an assessment of the feasibility of using existing approaches to analyzing the effectiveness of the digital transformation of the Belarusian energy system with their existing and projected normative values. The author's approach to carrying out this assessment in the context of the transformation of the unified energy system of Belarus is proposed. CONCLUSION. The proposed approach will allow us to comprehensively take into account both technical and economic factors of the implementation of digital transformation measures, with the possibility of subsequent ranking of projects according to the effectiveness of their implementation.