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Commission weighs long-term thermal energy network; staff warns of high cost and multi-year timeline
Summary
Staff updated commissioners on exploratory work toward a thermal energy network that would link municipal buildings for shared heating and cooling; they said such systems are capital intensive, could take years to plan, and would likely cost tens of millions of dollars.
City staff briefed the Climate Smart Kingston Commission on exploratory work to evaluate a thermal energy network that could share heating and cooling among municipal buildings and other large energy users.
Julie Noble and staff described a thermal-energy concept under consideration: combine municipal buildings—City Hall, the Andy Murphy Center, fire stations, DPW, and other large loads—and exchange excess heat and cooling between them, supplemented by geothermal or other heat sources. Noble emphasized the complexity and scale: the project would require significant engineering, rights-of-way, and likely millions of dollars in capital investment. During the meeting staff estimated the scale of investment could reach “tens of millions” and suggested a planning and development timeline of multiple years.
Commissioners and staff discussed potential heat sources and partners—wastewater treatment plants and hospitals were cited as facilities that can supply excess heat—and the complications of integrating nonmunicipal property into a municipally operated system. Noble said the project team has been meeting with other U.S. communities, including Framingham and Rochester, to learn lessons and determine appropriate governance and financing models.
Staff said Central Hudson and other utilities are stakeholders but that utility involvement tends to depend on whether a concrete proposal is ready for technical review. Noble said Central Hudson has signaled it would wait to engage until the city can present formal proposals. The commission heard that municipal thermal networks generally take several years to develop, require large capital pools, and require careful design to ensure fossil-fuel divestment and fair cost allocation among participants.
No formal decision was taken; commissioners said further technical work and partner engagement would be required before moving beyond feasibility analysis.
