Minnesota House of Representatives
Summary
What goes down the drain could come back to heat your home or business. That’s the principle behind using wastewater as a heating source.
Rep. Larry Kraft (DFL-St. Louis Park) would like to see Minnesota take the lead on this relatively new technology.
He sponsors HF2317, which, as amended, would appropriate $3 million from the Renewable Development Account to the Pollution Control Agency to conduct a study that would identify wastewater treatment plants in the state at which waste heat could be recovered and used to provide heat to buildings through an existing or new district heating system.
Ever-Green Energy operates the thermal energy system that heats and cools much of Downtown St. Paul and the State Capitol area. Its president and chief executive officer is Luke Gaalswyk.
“In St. Paul, we’re working with the Metropolitan Council Environmental Services and the city on Clean Heat St. Paul, an effort to capture waste heat from the state’s largest wastewater treatment facility and integrate it with our existing District Heating network,” he said.
“The technology is proven, deployed at scale in Europe since the 1980s, with several smaller projects in operation across North America.”
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