The company's principal activity is the production and supply of steam and hot water, and the provision of centrally supplied heat and hot water to consumers. The company ensures the quality of thermal energy in accordance with applicable regulatory documents, the continuity of supply, as well as the modernization of energy facilities and their safe operation. The company's special obligations are allocated to heat production, heat transmission and retail service units, which are regulated by the state energy regulatory authority. Centrally supplied heat is provided to heat consumers in the city of Jonava and in the Jonava district settlements of Rukla, Kuigaliai, Žeimiai, Šilai, Batėgala, Bukonys, Kulva, Upninkai and Užusalys.