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National Grid outlines wastewater-source thermal pilot; commission defers SEQR until PSC review advances
Summary
National Grid presented a pilot utility thermal energy network capturing heat from the Metro Wastewater Treatment Plant and feeding nearby redevelopment sites. Commissioners could not complete SEQR because the project is pending Public Service Commission review and asked the utility to return with required documentation in about three weeks.
National Grid representatives described a pilot Utility Thermal Energy Network that would capture thermal energy from the Metro Wastewater Treatment Plant and distribute it through an underground loop to nearby redevelopment parcels, including an aquarium project and other emerging developments.
Project manager Will Hackett explained that treated wastewater contains usable thermal energy year-round (warmer than winter ambient air and cooler than air in summer) and that a closed loop of buried piping can move that energy to neighborhood buildings for efficient heating and cooling. Travis Glazier (external affairs) showed the first-loop alignment from Metro down Palasky Street to a proposed energy center on North Gettys/Van Rensselaer. The pilot is framed as a five-year demonstration to prove feasibility and to enable future expansion.
Staff told the commission that SEQR (environmental review) and some local approvals could not be finalized at this hearing because the project is under active review by the New York State Public Service Commission; state-level approvals and filings are part of the statutory pathway for utility-led district thermal networks. Commissioners asked technical questions about distance between Metro and the energy center, screening and landscaping, spill containment for water systems, and long-term maintenance; National Grid said the design meets site requirements, will include spill-control and registered containment plans, and is intended to be a long-lived utility asset with routine preventive maintenance.
Because the project’s PSC status is integral to legal and environmental review, staff and National Grid agreed to return with the outstanding documentation and requested details; the utility requested and the commission approved deferring a local SEQR finding and any final site action until PSC review and the additional materials are available (the applicant targeted a return at the commission’s next meeting).
