The start of 2011, saw more than 5,600 megawatts of new wind generators under construction in the U.S. -- that's more than was built in all of 2010. Crane manufacturers and contractors are gearing up to tackle this next big wave of wind energy construction. That wave, as predicted a year ago, includes taller towers and heavier nacelles.
(More on the new equipment for erecting wind farms . . . )