St. Paul explores powering Como Zoo with geothermal energy

Read the full story in the St. Paul Pioneer Press.

St. Paul is preparing to replace a decades-old steam boiler system at Como Zoo and Conservatory with geothermal energy as the capital city moves toward a goal of carbon neutrality in municipal buildings within the next decade.

The geothermal system, which will use groundwater to heat and cool buildings, is expected to reduce the zoo’s carbon emissions by at least half. The city is partnering with Xcel Energy and a local geothermal energy company to study which aquifers to use, where to begin retrofitting and how much it will all cost.

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