American Park Cooperative Section 1 (3021 Avenue Z)

How does American Park Cooperative Section 1 (3021 Avenue Z) compare with other multifamily housing buildings in New York City?

The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. American Park Cooperative Section 1 (3021 Avenue Z)'s ENERGY STAR score of 23 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 86%. Its site EUI of 135.7 kBtu/ft² is about 81% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.2 kgCO₂e/ft² is about 39% above the group average of 5.2 kgCO₂e/ft².

At 77,440 sq ft, it is about 23% below the average floor area of 100,951 sq ft for those buildings. It was built in 1956, 4 years later than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has American Park Cooperative Section 1 (3021 Avenue Z)'s energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for American Park Cooperative Section 1 (3021 Avenue Z), covering report years 2022–2024. Its ENERGY STAR score went from 35 in 2022 to 23 in 2024 (-12 points); its best year on file was 2023, at 42. Site EUI moved from 130.7 kBtu/ft² (2022) to 135.7 kBtu/ft² (2024), an 4% increase. Reported emissions went from 538 tCO₂e to 558 tCO₂e over the same span (up 4%).

What does an ENERGY STAR score of 23 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 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 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. American Park Cooperative Section 1 (3021 Avenue Z)'s 135.7 kBtu/ft² across 77,440 sq ft works out to about 10.5 billion Btu (3,080 MWh-equivalent) in 2024. Its source EUI of 142.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 105,109 therms of natural gas for the year.

Which law requires American Park Cooperative Section 1 (3021 Avenue Z) to report its energy use?

American Park Cooperative Section 1 (3021 Avenue Z) 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:2716651:2024). 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.