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The Great Lakes Are Wasting a Massive Source of Clean Energy
District Energy St. Paul is the largest hot water district heating system in the United States. Ever-Green Energy, the operator, wants to use heat from the city’s wastewater to replace the system’s natural gas power. Photo courtesy of Ever-Green Energy
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The energy system in the Great Lakes region, as in most parts of North America, is wasteful. Stupendously wasteful. Consider these data points. Two-thirds of the energy generated by the 2,100-megawatt Pickering Nuclear Generating Station, east of Toronto, comes in the form of heat, not electricity. The excess heat is transferred to cooling water that […]
The post The Great Lakes Are Wasting a Massive Source of Clean Energy appeared first on Circle of Blue.
" data-medium-file="https://i0.wp.com/www.circleofblue.org/wp-content/uploads/2026/03/District-Energy-St-Paul-Courtesy-of-Ever-Green-Energy-scaled.jpg?fit=600%2C348&ssl=1" data-large-file="https://i0.wp.com/www.circleofblue.org/wp-content/uploads/2026/03/District-Energy-St-Paul-Courtesy-of-Ever-Green-Energy-scaled.jpg?fit=780%2C452&ssl=1" />
The energy system in the Great Lakes region, as in most parts of North America, is wasteful. Stupendously wasteful. Consider these data points. Two-thirds of the energy generated by the 2,100-megawatt Pickering Nuclear Generating Station, east of Toronto, comes in the form of heat, not electricity. The excess heat is transferred to cooling water that […]
The post The Great Lakes Are Wasting a Massive Source of Clean Energy appeared first on Circle of Blue.
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