AbstractIn this paper, the divertor heat flux density profile is being discussed. The simple robust model, dealing with core, pedestal and edge plasmas was improved. The model was applied to the ITER basic regime. Heat flux density was estimated for two different cases of heat flux SOL width of ITER. In the case of wide 2 cm SOL, the peak divertor heat flux density is under technological limit of 10 MW/m2. In the case of quite narrow 1 mm width SOL, peak divertor heat flux density exceeds this limit by several times and detached divertor regimes should be considered. (© 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)