RENew Northfield presented “Solar Power 101″ at the Public Library, on December 20th 2005. The guest speaker for the evening was Ralph Jacobson of Innovative Power Systems (IPS Solar). Ralph spoke about PV power systems and solar heating and rebates options.
View Quicktime video 34 mb:
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Riding the Wind
On the horizon of Northfield, Minnesota is a 1.65-megawatt turbine, turning its lonely arms in the sky. Generating about 20 % of Carleton College’s energy needs. Yes 20%!
Soon that lonely turbine wont be so lonely anymore! St. Olaf has started planting the roots for yet another 1.65-megawatt wind turbine among the soybeans and corn. This power will be used directly by St. Olaf. Providing an estimated 30% of the colleges total energy needs.
1.65 Megawatt NEG Micon Turbine – Property of Carleton College
This turbine is capable of producing about 6 million kilowatt hours of pollution-free annually, which is about 40% of Carleton’s annual electrical needs or enough power for 600 homes locally (Northfield, MN).
The blades turn at a standard consistent speed of 14.2 revolutions per minute, no matter how windy it is.