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St. Paul’s $12M Energy Project Promises Major Savings

1/30/2026

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Summary

Story summary

The Heights will use an aquifer thermal energy system to heat and cool 850 homes and light-industrial buildings in St. Paul, Minnesota.
The system draws groundwater from 100–150 meters below ground to store excess summer heat for winter use.
The project costs about $12 million, with federal tax credits covering about half the costs.
City council member Cheniqua Johnson notes potential resident savings, reducing bills from $200–$300 to under $100.

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Story summary

The Heights will use an aquifer thermal energy system to heat and cool 850 homes and light-industrial buildings in St. Paul, Minnesota.
The system draws groundwater from 100–150 meters below ground to store excess summer heat for winter use.
The project costs about $12 million, with federal tax credits covering about half the costs.
City council member Cheniqua Johnson notes potential resident savings, reducing bills from $200–$300 to under $100.