No, windmills look a lot different today. That is a Vestas to the right. A recent article from Renewable Energy World,
The capacity factor for coal is similar to nuclear. For you solar fans, the capacity factor for photovoltaics ranges from 12% in Massachusetts to 19% in Arizona. The capacity factor is the actual production divided by the rated capacity. This is what makes geothermal, and, someday, OTEC, attractive, because they are baseload options, and should have capacity factors approaching nuclear/coal facilities.