Drilling operations have commenced in downtown Ann Arbor to install a geothermal energy system for a new affordable housing development. The project is located at the intersection of South Fifth Avenue and East William Street and will eventually become a 20-story apartment building. The system is designed to heat and cool the structure by utilizing energy stored underground, marking a significant step in the city's approach to sustainable construction.
City officials view this initiative as a key component of Ann Arbor's broader sustainability strategy. They anticipate that the use of geothermal technology will help lower utility costs for residents over the long term. The building will operate using electricity and geothermal energy rather than relying on traditional natural gas systems, which is a distinct shift in how such residential structures are powered in the area.
Joe Lange, a senior energy analyst with the City of Ann Arbor's Office of Sustainability and Innovations, explained the mechanics of the technology. He noted that the system leverages the earth's natural resources to regulate indoor temperatures. "Geothermal is essentially you're using the resources that are in the ground, geo, to help heat and cool the building, thermal," Lange said.
Lange emphasized that the system's reliance on electricity rather than fossil gas offers additional environmental advantages. Because the technology does not burn fuel on-site, it can be powered by renewable sources such as solar and wind energy in the future. "Because geothermal isn't using fossil gas, it uses electricity to kind of move things around," he said. "That is something that can be renewably powered through things like solar and wind energy in the long term."
Beyond environmental concerns, the geothermal system provides potential health benefits for future residents. By eliminating gas appliances, the building avoids the risks associated with gas leaks and subtle off-gassing. "If you're not using gas, you don't have gas inside the building," Lange stated. "That can create a healthier environment. You don't have to worry about potential gas leaks or some of the subtle off-gassing that occurs when you have gas appliances in a building."
City leaders are hoping to use this project as a model for future developments. Lange expressed a desire to see more buildings and houses in Ann Arbor adopt similar geothermal systems where feasible. The goal is to expand the use of this technology throughout the community to enhance overall sustainability and efficiency.
Local reactions to the project have been mixed. Theresa Zavisa, a longtime resident and business owner, expressed support for the continued growth of downtown Ann Arbor and the addition of new housing. "It's important to look beyond how tall the buildings are or what the buildings look like," Zavisa said. "I think it's important to look at the people that are in them also."
However, not all residents share this optimistic view. Some community members feel that the rapid development is changing the character of the city. Dave Hutchinson, a local resident, voiced a sentiment shared by others who are less enthusiastic about the changes. "I miss Ann Arbor, it's not here anymore," Hutchinson said.
Residents and visitors in the vicinity of South Fifth Avenue and East William Street can expect to see continued drilling activity as the geothermal system installation progresses. The construction team is working to complete the infrastructure necessary for the building's energy needs.
The apartment development is currently on schedule to be completed in 2028. Once finished, the tower will stand as a prominent feature in the downtown skyline, incorporating the geothermal technology that has been under discussion and installation for the past year.







