Gross regional product (GRP) per capita is the main indicator of the development level in a region, determining budgetary economic security and living standards of the population in the region. The energy sector has a great influence on the economic and sustainable development of the regions. The studying problem of the influence level in electricity consumption, the electrical equipment of labour, the volume of industry shipped products on the level of GRP is relevant. The main indicator of ensuring economic security in the region is a high level of GRP per capita. The factors affecting this indicator are revealed. The paper considers the degree of GRP dependence on the following indicators: electricity consumption in industry, the volume of goods shipped by manufacturing industries, the electrical equipment in industrial work (manufacturing industries). By the method of factor analysis, generalized characteristics of regional development are made.