NREL Installs New 1.5 Wind Turbine Near Boulder, Colorado

With one worker on the radio to the crane operator, another worker reaches to grab the second section of new wind turbine's steel tower during installation at the National Renewable Energy Laboratory's (NREL) National Wind Technology Center near Boulder, Colorado on August 21, 2009. The new 1.5 megawatt GE turbine is typical of most U.S. based wind turbines. UPI/Gary C. Caskey