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Demonstration Sites - Select Title for More Information
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Want a Tour?

To request a tour, please select the title "Want a Tour?" above to download an email request form. Thank you.


GRE: Trash to RDF

At Great River Eneregy’s (GRE) Elk River Resource Processing Plant, your everyday trash is hauled from the curb and turned into burnable fuel, or resource derived fuel (RDF). GRE sorts out recyclable metals and shreds material which is then taken to GRE’s Elk River Energy Recovery Station. Click the “GRE: Trash to RDF” title above for a video explaining the process.


GRE: RDF to Electric

At Great River Energy’s (GRE) Elk River Energy Recovery Station, RDF is burned to produce up to 29 MW of electricity, which keeps out 1,000 tons of landfilled waste a day. Click the “GRE: RDF to Electric” title above for a video explaining the process.

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Landfill Gas to Electric

At the Elk River Landfill, Sherburne County, Elk River Municipal Utilities, and Waste Management have partnered to use methane gas produced from the decomposing landfill to fuel 4 electric generators. The generators produce enough energy to power 15% of Elk River’s population. Click the “Landfill Gas to Electric” title above for a video explaining the process.

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Wind Energy Project

The Vestas V47 was constructed in 2001 as a demonstration site for Energy City. The 213-ft high wind turbine produces 660 kW which supplies enough energy for 100 homes. Click the “Wind Energy Project” title above to learn more.

Haubenschild Farm

Haubenschild Farms

Haubenschild Farms Inc. is a nearly 2000 dairy cattle farm using a digester to create methane gas from cow manure to power a generator for their farm plus 75 homes. The farm aims to be earth-neutral.

Elk River Library

Elk River Library

The Elk River Library provides print and media to the community in a Gold LEED certified building using geothermal heating and cooling and other sustainable building design techniques.

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LEED Certified Schools

Select the "LEED Certified Schools" title above for more information