The data represented in figures 2 to 7 of the publication "Plane-wave approach to the exact van der Waals interaction for colloid particles" are provided in the CSV file format. For each (sub)figure there is a separate file, which is named after that (sub)figure. In those files, the first column refers to the x-values and the other columns to the y-values of the curves depicted in the corresponding (sub)figure. More information can be found in the header of the files. The subfolder "water_zwol" contains the data corresponding to figures 4 to 7 computed with an alternative dielectric function for water as given by van Zwol et al. (c.f. Ref. 74 in the publication) at a slightly different temperature of 293 K.