18 West 33 St

How does 18 West 33 St compare with other office buildings in New York City?

The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. 18 West 33 St's ENERGY STAR score of 54 compares with an average of 72 across the 2,519 that report a score; it scores higher than 19% of them and lower than 81%. Its site EUI of 105.2 kBtu/ft² is about 63% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 9.2 kgCO₂e/ft² is about 59% above the group average of 5.8 kgCO₂e/ft².

At 145,750 sq ft, it is about 29% below the average floor area of 205,440 sq ft for those buildings. It was built in 1912, 28 years earlier than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 18 West 33 St's energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for 18 West 33 St, covering report years 2023–2024. Its ENERGY STAR score went from 39 in 2023 to 54 in 2024 (+15 points). Site EUI moved from 86.9 kBtu/ft² (2023) to 105.2 kBtu/ft² (2024), an 21% increase. Reported emissions went from 1,332 tCO₂e to 1,345 tCO₂e over the same span (up 1%).

What does an ENERGY STAR score of 54 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 54 means the building performs better than about 54% of its national peers. BuildingCensus bands the score into report-card grades; 54 falls in band D — lowest band (1–54). It sits 21 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. 18 West 33 St's 105.2 kBtu/ft² across 145,750 sq ft works out to about 15.3 billion Btu (4,494 MWh-equivalent) in 2024. Its source EUI of 191.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,005,890 kWh of electricity, 34,677 therms of natural gas and 5,357 thousand gallons of water for the year.

Which law requires 18 West 33 St to report its energy use?

18 West 33 St 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:7529691:2024). 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.