The provision of pre-contractual information in contracts concluded with consumers of energy resources derives from Directive 2011/83 / EU of the European Parliament and of the Council of 25 October 2011 on consumer rights, amending Council Directive 93/13 / EEC and Directive 1999/44 / EC of the European Parliament and of the Council and repealing Directive 85/577 / EEC of the Council and Directive 97/7 / EC of the European Parliament and of the Council, sectoral directives applicable in the energy sectors, the Civil Code of the Republic of Moldova and other acts national regulations. The article addresses the issue of the importance of providing pre-contractual information and regulating specific relationships regarding raising the level of consumer protection, these being the purpose of contracts concluded between trader and consumer, including contracts for the supply of energy resources. Full harmonization of key regulatory issues should significantly increase legal certainty for both consumers and traders. Both consumers and traders should thus be able to rely on a single regulatory framework, based on clearly defined legal concepts, governing certain aspects of the relationship between traders and consumers