The Thermal Division is one of three Divisions of the IEn's Central Unit in Warsaw. The Division consists of the following units:

•    CPC - Thermal Processing Department.
•    CPE - Department of High Temperature Electrochemical Processes
•    CUE - Power Engineering Equipment Research Department

The main part of the Division is located in Warsaw - Siekierki, Augustówka 36.

Fuels Preparation Laboratory is at IEn’s Warsaw, Mory 8.

Power Engineering Equipment Research Department is located in Łodz, 1 Dostawcza Street.

The head of the Thermal Division is Bartosz Świątkowski PhD.