This is a 1.5-megawatt GE turbine with a rotor diameter of 77 meters (253 feet).
Burlington (Vt.) Free Press [1]
Also see longer slideshow [2] accompanying full-length article [3].
URL to article: https://www.wind-watch.org/alerts/2007/11/05/raising-the-rotors-on-400-high-wind-turbine/
URLs in this post:
[1] Burlington (Vt.) Free Press: http://www.burlingtonfreepress.com/legacy/slideshows/103107windlift/index.html
[2] longer slideshow: http://www.burlingtonfreepress.com/legacy/slideshows/110407windfarm/index.html
[3] full-length article: http://www.wind-watch.org/news/2007/11/05/winds-of-change-turbine-farms-sprout-right-across-the-lake/