Chestnut - 652-666 Courtlandt Avenue

How does Chestnut - 652-666 Courtlandt Avenue 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. Its site EUI of 93.8 kBtu/ft² is about 25% 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 6.0 kgCO₂e/ft² is about 16% above the group average of 5.2 kgCO₂e/ft².

At 38,875 sq ft, it is about 61% below the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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.

What does a site EUI of 93.8 kBtu/ft² mean?

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. Chestnut - 652-666 Courtlandt Avenue's 93.8 kBtu/ft² across 38,875 sq ft works out to about 3.6 billion Btu (1,069 MWh-equivalent) in 2024. Its source EUI of 128.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 193,843 kWh of electricity, 29,849 therms of natural gas and 563 thousand gallons of water for the year.

Which law requires Chestnut - 652-666 Courtlandt Avenue to report its energy use?

Chestnut - 652-666 Courtlandt Avenue 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:53344693:2024). 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.