All those cell phones, Kindles, PCs, laptops, televisions, iPods and everything else that needs to plugged in, charged up and otherwise re-energized are gobbling up 15 percent of household power. In another 20 years, that figure is expected to triple, necessitating a lot more generating capacity. A study by the International Energy Agency reported those results. All hope was not lost, however – the data was based on current energy needs of all the gadgets. If newer generations continue to be refined and made