A Jamaica law firm has installed an 80 kw hybrid solar-wind array on the roof of their office. It is expected to save $2 million over its 25 year lifespan and uses small vertical turbines and solar PV.
The installation incorporates 50 of WindStream’s SolarMill devices. The different SolarMill models each comprise one or more solar panels and three or more turbines
http://youtu.be/Fo8zQSa93LU