H+H_4316_Kings County Hospital: Building Z (Powerhouse)

How does H+H_4316_Kings County Hospital: Building Z (Powerhouse) compare with other hospital (general medical & surgical) buildings in New York City?

The latest disclosures cover 226 hospital (general medical & surgical) buildings in New York City, out of 48,310 buildings citywide. H+H_4316_Kings County Hospital: Building Z (Powerhouse)'s ENERGY STAR score of 100 compares with an average of 61 across the 113 that report a score; it scores higher than 77% of them. Its site EUI of 134.1 kBtu/ft² is about half of the average of 248.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 15.4 kgCO₂e/ft² is about 18% below the group average of 18.9 kgCO₂e/ft².

At 25,215 sq ft, it is about 94% below the average floor area of 450,487 sq ft for those buildings. It was built in 1930, 22 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².

How has H+H_4316_Kings County Hospital: Building Z (Powerhouse)'s energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for H+H_4316_Kings County Hospital: Building Z (Powerhouse), covering report years 2022–2024. Its ENERGY STAR score was 100 in both 2022 and 2024. Site EUI moved from 154.0 kBtu/ft² (2022) to 134.1 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 328 tCO₂e to 389 tCO₂e over the same span (up 19%).

What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. H+H_4316_Kings County Hospital: Building Z (Powerhouse)'s 134.1 kBtu/ft² across 25,215 sq ft works out to about 3.4 billion Btu (991 MWh-equivalent) in 2024. Its source EUI of 375.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 990,763 kWh of electricity for the year.

Which law requires H+H_4316_Kings County Hospital: Building Z (Powerhouse) to report its energy use?

H+H_4316_Kings County Hospital: Building Z (Powerhouse) 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:21354535:2024). 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.