Full: 1549 Prospect Pl.

How does Full: 1549 Prospect Pl. 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. Full: 1549 Prospect Pl.'s ENERGY STAR score of 4 compares with an average of 63 across the 22,829 that report a score; it scores higher than 4% of them and lower than 96%. Its site EUI of 98.0 kBtu/ft² is about 31% 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 6.6 kgCO₂e/ft² is about 27% above the group average of 5.2 kgCO₂e/ft².

At 20,951 sq ft, it is about 79% below the average floor area of 100,951 sq ft for those buildings. It was built in 1910, 42 years earlier 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 Full: 1549 Prospect Pl.'s energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for Full: 1549 Prospect Pl., covering report years 2022–2023. Its ENERGY STAR score went from 3 in 2022 to 4 in 2023 (+1 points). Site EUI moved from 108.6 kBtu/ft² (2022) to 98.0 kBtu/ft² (2023), a 10% decrease. Reported emissions went from 139 tCO₂e to 138 tCO₂e over the same span (down 0%).

What does an ENERGY STAR score of 4 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 4 means the building performs better than about 4% of its national peers. BuildingCensus bands the score into report-card grades; 4 falls in band D — lowest band (1–54). It sits 71 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. Full: 1549 Prospect Pl.'s 98.0 kBtu/ft² across 20,951 sq ft works out to about 2.1 billion Btu (602 MWh-equivalent) in 2023. Its source EUI of 146.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 153,683 kWh of electricity and 15,285 therms of natural gas for the year.

Which law requires Full: 1549 Prospect Pl. to report its energy use?

Full: 1549 Prospect Pl. 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:7069159:2023). 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.