Th Macintosh 060305 Interesting electron based ideas for greener computing- With the average desktop power consumption cruising along at 120 watts, and laptops squeaking by with a lesser 30 watts, the global computer power load is enormous. On top of that, the shorter and shorter lifespan of computers, because of wear, and programs’ insatiable hunger for more processing power, are making tons and tons of obsolete computers into waste every year. Link.