Boise Wins $1 Million for Innovative Geothermal Housing Project

Mar 1, 2026, 2:43 AM
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Boise has made headlines after being awarded a $1 million grant to implement a geothermal heating and cooling system for multifamily affordable housing. This funding comes from Bloomberg's Mayors Challenge, a global competition that recognized Boise's innovative approach among over 600 participating cities worldwide.
Mayor Lauren McLean highlighted the importance of this initiative, stating, "We know housing affordability is about more than rent. Families need to be able to heat and cool their homes, afford groceries for their dinner tables and gas for their cars." The grant positions Boise as a leader in addressing not only housing costs but also utility expenses, promising significant savings for residents.
The project aims to heat and cool up to 300 new affordable housing units, making Boise one of the first cities in the US to employ a direct-use geothermal system for this purpose. Currently, Boise operates the largest direct-use geothermal system in the country, providing heating and hot water to approximately 100 buildings in the downtown area.
The feasibility study conducted for the project was also funded by Bloomberg Philanthropies, which allowed the city to identify and tackle various regulatory and billing challenges that had previously impeded the connection of multifamily housing to the geothermal network. The city plans to establish a public-private partnership to facilitate this initiative, which is expected to be built in the Lusk District and completed by 2028.
Once operational, the geothermal system has the potential to reduce utility costs for residents by up to 80%. This marks a significant advancement in sustainable living practices and could pave the way for further applications of geothermal energy, such as cooling systems, which have not yet been explored in Boise.
The impact of this project extends beyond immediate utility savings. It represents a shift in how cities can utilize renewable energy sources to provide essential services to their communities. As cities globally face the challenges of rising utility costs and housing affordability, Boise's innovative approach could serve as a model for other municipalities looking to implement similar technologies.
In summary, Boise's successful grant application from the Mayors Challenge not only highlights the city's commitment to sustainable energy solutions but also addresses critical issues of affordability and accessibility in housing. As the project progresses, it holds the promise of transforming the living conditions for many residents while showcasing the potential of geothermal energy in urban settings.
The initiative reflects a broader trend in municipal innovation, where cities are increasingly adopting creative solutions to enhance the quality of life for their residents. With the support of Bloomberg Philanthropies, Boise is set to lead the way in integrating geothermal energy into affordable housing, potentially influencing policy and practice across the nation.
By leveraging its geothermal resources, Boise is not just heating homes; it is setting a precedent for future urban development that prioritizes sustainability and affordability in a rapidly changing world.

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