[Vo]:Brief history of wind turbines getting bigger

[Jed Rothwell]

From 25 kW to 10 MW, and they are thinking of making 20 MW ones. 
Rotor diameter has gone from 10 m to 112 m. See:

http://www.renewableenergyworld.com/rea/news/podcast/2010/04/wind-size-matters-but-only-so-much
- Jed