The GE model, more than 10,000 of which are in operation, is one of two utility-scale turbines being installed at the National Wind Technology Center (NWTC), part of the National Renewable Energy Laboratory (NREL) west of Denver, Colorado.
A second turbine, the 2.3MW Siemens 2.3-101, is slated for installation this fall with both units to be commissioned in October. The 2.3-101
