Situated in a beautiful, peaceful setting
on 535 acres on Grindstone Lake in east-central MN, amidst mixed
forest, field, wetland, stream and prairie, the Audubon
Center of the Northwoods is a residential environmental learning
center, retreat, and conference center, and an area leader in renewable
energy production. The Center implements natural energy with three
photovoltaic arrays, two flat-panel collectors, a wind generator,
and a geothermal system for heating and cooling for their resident
programs.
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3 sets of 16 solar electric
panels on trackers, generating 8,400 watts/hour |
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2 (4' x 10') flat-panel solar collectors |
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Closed, vertical-loop geothermal heat pumps
with thirty 208-foot-deep wells |
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Hummingbird wind generator supplying 5 kW/h |
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Recreational vehicle converted
to run on used vegetable oil (bio-diesel) |
