Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights

How does Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights 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. Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights's ENERGY STAR score of 54 compares with an average of 64 across the 2,052 that report a score; it scores higher than 30% of them and lower than 69%. Its site EUI of 74.9 kBtu/ft² is about 22% 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 5.3 kgCO₂e/ft² is about 10% above the group average of 4.8 kgCO₂e/ft².

At 49,732 sq ft, it is about half of the average floor area of 101,338 sq ft for those buildings. It was built in 1936, 17 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.

How has Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights's energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights, covering report years 2022–2023. Its ENERGY STAR score went from 64 in 2022 to 54 in 2023 (-10 points); its best year on file was 2022, at 64. Site EUI moved from 65.4 kBtu/ft² (2022) to 74.9 kBtu/ft² (2023), an 15% increase. Reported emissions went from 239 tCO₂e to 266 tCO₂e over the same span (up 11%).

What does an ENERGY STAR score of 54 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 54 means the building performs better than about 54% of its national peers. BuildingCensus bands the score into report-card grades; 54 falls in band D — lowest band (1–54). It sits 21 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. Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights's 74.9 kBtu/ft² across 49,732 sq ft works out to about 3.7 billion Btu (1,092 MWh-equivalent) in 2023. Its source EUI of 83.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 59,496 kWh of electricity, 8,411 therms of natural gas and 951 thousand gallons of water for the year.

Which law requires Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights to report its energy use?

Rocklyn: 115-30 221st Street Heart Academy, Cambria Heights 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:6699822:2023). 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.