The average rating for 2,500 turbines installed in 2014 was 1.94MW.

Holding the number two ranking here was Vestas’ V100-2.0 model with 829 units installed and then Siemens’ SWT-2.3-108 with 526.  

AWEA in its US Wind Industry Annual Market Report 2015 notes that advances in technology have resulted in utility-scale turbines having a nameplate capacity eight times larger than a typical one in 1990, generating 19 times more electricity.

Turbines