The sign says...
"1.65 Megawatt NEG Micron Turbine
Property of Carleton College
"This turbine is capable of producing about 6 million kilowatt hours of pollution-free power annually,
which is about 40% of Carleton's annual electrical needs or enough power for 600 homes locally.
The College is committed to be a more environmentally sustainable campus and will continue to
contribute to the sustainability of the community.
"The blades turn at a standard consistent speed of 14.2 revolutions per minute, no matter how windy it is. If you have questions about the turbine, please call 507-646-4167 or see the Facilities Web site