Figure 3.37 | Average yearly investments from 2023–2052 for the four subcomponents of the energy system representing the larger amounts (in billion USD2015), by aggregate regions, in pathways by temperature categories. T&D: transmissions and distribution of electricity. Extr.: extraction of fossil fuels. Bars show the median values (number of pathways at the bottom), and whiskers show the interquartile ranges. For definition of regional classifications used see Annex II Table 1.