25 Rock Street

How does 25 Rock Street compare with other refrigerated warehouse buildings in New York City?

The latest disclosures cover 64 refrigerated warehouse buildings in New York City, out of 48,310 buildings citywide. 25 Rock Street's ENERGY STAR score of 42 compares with an average of 50 across the 51 that report a score; it scores higher than 39% of them and lower than 59%. Its site EUI of 77.4 kBtu/ft² is about 11% above the average of 69.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.8 kgCO₂e/ft² is about 31% above the group average of 6.7 kgCO₂e/ft².

At 63,445 sq ft, it is about 19% below the average floor area of 78,204 sq ft for those buildings. It was built in 1927, 36 years earlier than the group's average year built (1963). Across all 24 jurisdictions BuildingCensus covers, the 472 refrigerated warehouse buildings average an ENERGY STAR score of 52 and a site EUI of 76.3 kBtu/ft².

How has 25 Rock Street's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for 25 Rock Street, covering report years 2022–2024. Its ENERGY STAR score went from 24 in 2022 to 42 in 2024 (+18 points). Site EUI moved from 111.3 kBtu/ft² (2022) to 77.4 kBtu/ft² (2024), a 30% decrease. Reported emissions went from 577 tCO₂e to 556 tCO₂e over the same span (down 4%).

What does an ENERGY STAR score of 42 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 42 means the building performs better than about 42% of its national peers. BuildingCensus bands the score into report-card grades; 42 falls in band D — lowest band (1–54). It sits 33 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% 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. 25 Rock Street's 77.4 kBtu/ft² across 63,445 sq ft works out to about 4.9 billion Btu (1,439 MWh-equivalent) in 2024. Its source EUI of 212.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,397,497 kWh of electricity and 1,451 therms of natural gas for the year.

Which law requires 25 Rock Street to report its energy use?

25 Rock Street reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:3525911:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.