Northfield (Trenton)

How does Northfield (Trenton) compare with other multifamily housing buildings in Denver?

The latest disclosures cover 1,108 multifamily housing buildings in Denver, out of 3,287 buildings citywide. Northfield (Trenton)'s ENERGY STAR score of 93 compares with an average of 78 across the 956 that report a score; it scores higher than 68% of them and lower than 29%. Its site EUI of 46.9 kBtu/ft² is about 18% below the average of 57.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 87,258 sq ft, it is about 31% below the average floor area of 126,139 sq ft for those buildings. It was built in 2015, 25 years later than the group's average year built (1990). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Northfield (Trenton)'s energy performance changed over time?

BuildingCensus holds 3 Denver disclosures for Northfield (Trenton), covering report years 2021–2023. Its ENERGY STAR score went from 95 in 2021 to 93 in 2023 (-2 points); its best year on file was 2022, at 97. Site EUI moved from 45.6 kBtu/ft² (2021) to 46.9 kBtu/ft² (2023), an 3% increase. Reported emissions went from 403 tCO₂e to 404 tCO₂e over the same span (up 0%).

What does an ENERGY STAR score of 93 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 93 means the building performs better than about 93% of its national peers. BuildingCensus bands the score into report-card grades; 93 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In Denver, 54% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Northfield (Trenton)'s 46.9 kBtu/ft² across 87,258 sq ft works out to about 4.1 billion Btu (1,199 MWh-equivalent) in 2023. The disclosure also reports 524,424 kWh of electricity and 22,725 therms of natural gas for the year.

Which law requires Northfield (Trenton) to report its energy use?

Northfield (Trenton) reports under the Energize Denver Building Performance Policy, the legal basis of Denver's Energize Denver Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record denver:5453:2023). Energize Denver sets energy-use (EUI) targets for buildings of 25,000+ sq ft — for most buildings an interim target in 2028 and a final target in 2032 — with civil penalties of roughly $0.15–0.35 per kBtu over target for non-compliance.