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Committee reviews Mass Save submission and EUI uncertainty for new Norfolk fire station
Summary
Committee members were told the project has seven months of energy data; measured mid‑season EUI is about 32–33 but year‑round projections put EUI near 46. Staff and consultants discussed submetering EV chargers and clarifying Mass Save targets before seeking the post‑occupancy incentive.
The Fire Station Building Committee discussed preparing documentation for the Mass Save program and whether the project will meet the program’s energy‑use intensity (EUI) targets. Chair opened the item noting the materials “need to be submitted to Mass Save,” and a facilities staff member said they would share the Mass Save contact and accompanying documents with the committee. The staff member and consultants said the project currently has seven months of meter data; that seven‑month EUI is about 32 or 33, below a 35 target, but projecting the incomplete data to a full year produced an AI estimate near 46.
Consultants and staff proposed operational and metering fixes to improve the submission and to verify the building’s baseline energy use. A presenter noted the current meter configuration does not isolate the EV‑charger circuits on panel PP‑1 and recommended using a spare meter or installing submetering to exclude those loads from the building EUI. “The way the meters are configured, there’s just no way, right now to get those 8 circuits isolated,” the presenter said. Committee members also cited an April 29 Eversource email identifying a then‑reported EUI of 52.9 and stating Eversource was seeking an EUI of 40 or less; staff said the construction incentive of about $112,000 had already been received and the post‑occupancy incentive was roughly in the $40,000 range, though exact amounts and eligibility remain subject to final verification. The committee directed staff to get the Mass Save contact, pursue submetering language from the project engineer, and bring updated meter and projection data back to the committee.
