Kinetic AGN luminosity density, Ω_kin, as a function of redshift and dissected in ℳ_* bins (coloured squares). The sum across all ℳ_* at each redshift is marked with black open squares. For comparison, we show the integrated values from Smolčić et al. (2017c, purple lines), both for PLE (dot-dashed) and for PDE (triple dot-dashed) fitting forms. Model predictions from SAGE (Croton et al. 2016), including radio-mode AGN feedback, are displayed as a function of redshift (dashed black line). We assume f_W = 4 as in Smolčić et al. (2017c) for consistency. See Sect. 5.1 for further details.