South Bronx Charter School & Office (425 Westchester Ave)

How does South Bronx Charter School & Office (425 Westchester Ave) 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. South Bronx Charter School & Office (425 Westchester Ave)'s ENERGY STAR score of 68 compares with an average of 72 across the 2,519 that report a score; it scores higher than 32% of them and lower than 67%. Its site EUI of 40.9 kBtu/ft² is about 37% 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 4.7 kgCO₂e/ft² is about 19% below the group average of 5.8 kgCO₂e/ft².

At 149,349 sq ft, it is about 27% below the average floor area of 205,440 sq ft for those buildings. It was built in 2022, 82 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 68 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 68 means the building performs better than about 68% of its national peers. BuildingCensus bands the score into report-card grades; 68 falls in band C — below median (55–69). It sits 7 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. South Bronx Charter School & Office (425 Westchester Ave)'s 40.9 kBtu/ft² across 149,349 sq ft works out to about 6.1 billion Btu (1,790 MWh-equivalent) in 2024. Its source EUI of 114.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,777,417 kWh of electricity, 478 therms of natural gas and 6,691 thousand gallons of water for the year.

Which law requires South Bronx Charter School & Office (425 Westchester Ave) to report its energy use?

South Bronx Charter School & Office (425 Westchester Ave) 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:24300845:2024). 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.