Between 2006 and 2010, the biomass share of renewable energy consumption increased from 49 percent to 53 percent; windís share increased from 4 to 11 percent; and conventional hydroelectricís share decreased from 43 to 31 percent. (Source: US Energy Information Administration)
Smart grid is going to top all the "top 10" predictions lists we'll soon see regarding which technologies are going to be coming to the fore in 2012. It's firing on multiple economic cylinders, as far as encompassing innovation, efficiency (ROI), and infrastructure. The build-out of the smart grid will be an economic engine as much as a technological one.