This article is featured in the 2019 Winter Issue of District Energy Magazine
A new geothermal district heating system will lower emissions and operating costs.
Last summer, as the rumbling drill rigs repeatedly pierced the iconic ground of the grassy “Bald Spot” in the heart of campus, Carleton College students were intrigued by the transformational Utility Master Plan that was stitching together the subterranean geology underfoot. Passersby curiously pondered what was going on and why. Disruptive construction and a major utility system overhaul might seem like a nuisance, but at Carleton, south of the Twin Cities in Northfield, Minn., it was a milestone. Geothermal bore fields were being installed as part of a new hot water heating system, which will help lower emissions. By 2050, the campus will be carbon-neutral. That may seem a lofty goal, but the leadership team is confident it will be reached thanks in part to the executable vision provided in Carleton’s Utility Master Plan.
Martha Larson, CEM, Manager of Campus Energy and Sustainability, Carleton College
Lee Tapper, PE, CIAQP, LEED AP, Senior Mechanical Engineer, MEP Associates LLC
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