In the United States today, a loose convention draws the lower limit for a skyscraper building at 150 meters. An extremely tall skyscraper, particularly one that is taller than 300 meters (1,000 ft), is sometimes colloquially referred to as a supertall.
Hotels tend to have one floor every 3.1 meters and office buildings one floor every 3.9 meters. A 195 meter hotel would have about 63 floors.
Dong thinks that by the time that German windfarm begins construction, there will be turbines as powerful as 13MW or 15MW.