11 Times Square - LL84 and LL97

How does 11 Times Square - LL84 and LL97 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. 11 Times Square - LL84 and LL97's ENERGY STAR score of 72 compares with an average of 72 across the 2,519 that report a score; it scores higher than 38% of them and lower than 61%. Its site EUI of 66.1 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft². Its emissions intensity of 6.7 kgCO₂e/ft² is about 16% above the group average of 5.8 kgCO₂e/ft².

At 1,101,775 sq ft, it is about 436% above the average floor area of 205,440 sq ft for those buildings. It was built in 2011, 71 years later 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.

What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 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. 11 Times Square - LL84 and LL97's 66.1 kBtu/ft² across 1,101,775 sq ft works out to about 72.8 billion Btu (21,344 MWh-equivalent) in 2024. Its source EUI of 159.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 16,622,714 kWh of electricity, 161,351 therms of natural gas and 12,657 thousand gallons of water for the year.

Which law requires 11 Times Square - LL84 and LL97 to report its energy use?

11 Times Square - LL84 and LL97 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:52716792:2024). 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.