90 Grand St

How does 90 Grand 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. 90 Grand St's ENERGY STAR score of 99 compares with an average of 72 across the 2,519 that report a score; it scores higher than 94% of them and lower than 5%. Its site EUI of 14.5 kBtu/ft² is about 78% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.7 kgCO₂e/ft² is about 71% below the group average of 5.8 kgCO₂e/ft².

At 52,345 sq ft, it is about 75% below the average floor area of 205,440 sq ft for those buildings. It was built in 1867, 73 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.

What does an ENERGY STAR score of 99 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 99 means the building performs better than about 99% of its national peers. BuildingCensus bands the score into report-card grades; 99 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 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. 90 Grand St's 14.5 kBtu/ft² across 52,345 sq ft works out to about 0.8 billion Btu (222 MWh-equivalent) in 2024. Its source EUI of 40.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 222,725 kWh of electricity and 0 therms of natural gas for the year.

Which law requires 90 Grand St to report its energy use?

90 Grand 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:59835292:2024). 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.