Conolly Residence Hall
College/University in New York City, NY · 190 Willoughby Street · 11201
At a glance
Conolly Residence Hall is a 579,404-square-foot college/university building at 190 Willoughby Street in New York City, New York, built in 1959. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 43.8 kBtu/ft² and 2,713 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 43.8 kBtu/ft² |
| Source EUI | 112.5 kBtu/ft² |
| GHG emissions | 2,713 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 6,460,278 kWh |
| Natural gas | 33,141 therms |
| Water use | 10,836 kgal |
| Gross floor area | 579,404 sq ft |
| Source record | nyc:2797736:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 43.8 kBtu/ft² | 2,713 tCO₂e | |
| 2023 | — | 44.6 kBtu/ft² | 2,619 tCO₂e | |
| 2022 | 100 | 12.6 kBtu/ft² | 508 tCO₂e |
Compliance context
Local Law 84 (LL84)
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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 190 Willoughby Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69196, -73.98015
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Conolly Residence Hall compare with other college/university buildings in New York City?
The latest disclosures cover 553 college/university buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 43.8 kBtu/ft² is about half of the average of 94.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.7 kgCO₂e/ft² is about 22% below the group average of 6.0 kgCO₂e/ft².
At 579,404 sq ft, it is about 186% above the average floor area of 202,329 sq ft for those buildings. It was built in 1959, 12 years later than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has Conolly Residence Hall's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Conolly Residence Hall, covering report years 2022–2024. Site EUI moved from 12.6 kBtu/ft² (2022) to 43.8 kBtu/ft² (2024), an 248% increase. Reported emissions went from 508 tCO₂e to 2,713 tCO₂e over the same span (up 434%).
What does a site EUI of 43.8 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. Conolly Residence Hall's 43.8 kBtu/ft² across 579,404 sq ft works out to about 25.4 billion Btu (7,438 MWh-equivalent) in 2024. Its source EUI of 112.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 6,460,278 kWh of electricity, 33,141 therms of natural gas and 10,836 thousand gallons of water for the year.
Which law requires Conolly Residence Hall to report its energy use?
Conolly Residence Hall 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:2797736:2024). 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.
More college/university buildings in New York City
- CUNY - Medgar Evers College· 570,861 sq ft
- 1 Pace Plaza· 569,027 sq ft · EUI 59.5 kBtu/ft²
- Benchmarking Group - 12· 567,416 sq ft · EUI 59.9 kBtu/ft²
- College of Mount St. Vincent· 515,799 sq ft
- Bobst Library· 501,825 sq ft · EUI 0.0 kBtu/ft²
- 370 Jay Street (S)· 489,995 sq ft · EUI 126.9 kBtu/ft²
- College/University buildings in New York City· 553 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Conolly Residence Hall's energy grade?
Conolly Residence Hall did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 43.8 kBtu/ft².
How much energy does Conolly Residence Hall use?
Its 2024 site energy-use intensity was 43.8 kBtu/ft² (112.5 kBtu/ft² source) across 579,404 sq ft, including 6,460,278 kWh of electricity and 33,141 therms of natural gas.
What are Conolly Residence Hall's carbon emissions?
Conolly Residence Hall reported 2,713 tCO₂e of greenhouse-gas emissions (4.7 kgCO₂e/ft²) for 2024.
Where is Conolly Residence Hall?
Conolly Residence Hall is at 190 Willoughby Street, in New York City, New York 11201. Its coordinates are 40.69196, -73.98015 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Conolly Residence Hall and when was it built?
Conolly Residence Hall has 579,404 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1959 as its year built. It is classed as college/university.
Is Conolly Residence Hall covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Conolly Residence Hall, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/conolly-residence-hall-f0288b25 (data as of October 2, 2026).