22 East 91st Street

How does 22 East 91st Street compare with other K-12 school buildings in New York City?

The latest disclosures cover 2,301 K-12 school buildings in New York City, out of 48,310 buildings citywide. 22 East 91st Street's ENERGY STAR score of 13 compares with an average of 64 across the 2,052 that report a score; it scores higher than 6% of them and lower than 94%. Its site EUI of 96.8 kBtu/ft² is about 58% above the average of 61.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.4 kgCO₂e/ft² is about 75% above the group average of 4.8 kgCO₂e/ft².

At 66,600 sq ft, it is about 34% below the average floor area of 101,338 sq ft for those buildings. It was built in 1929, 24 years earlier than the group's average year built (1954). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².

What does an ENERGY STAR score of 13 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 13 means the building performs better than about 13% of its national peers. BuildingCensus bands the score into report-card grades; 13 falls in band D — lowest band (1–54). It sits 62 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. 22 East 91st Street's 96.8 kBtu/ft² across 66,600 sq ft works out to about 6.4 billion Btu (1,889 MWh-equivalent) in 2023. Its source EUI of 204.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,142,254 kWh of electricity and 25,504 therms of natural gas for the year.

Which law requires 22 East 91st Street to report its energy use?

22 East 91st 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 2023 disclosure (source record nyc:6261037:2023). 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.