Duke Mansion
College/University in New York City, NY · 1 East 78 Street · 10075
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 42.8 kBtu/ft² |
| Source EUI | 71.2 kBtu/ft² |
| GHG emissions | 193 tCO₂e |
| GHG intensity | 3.2 kgCO₂e/ft² |
| Electricity | 264,818 kWh |
| Natural gas | 16,733 therms |
| Water use | 398 kgal |
| Gross floor area | 60,184 sq ft |
| Source record | nyc:5871172:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 42.8 kBtu/ft² | 193 tCO₂e | |
| 2023 | — | 41.6 kBtu/ft² | 180 tCO₂e | |
| 2022 | — | 49.9 kBtu/ft² | 191 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 owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1 East 78 Street
- City
- New York City
- State
- New York
- ZIP
- 10075
- Coordinates
- 40.77622, -73.96398
Within ~1 km
Nearby benchmarked buildings
- Benchmarking Group - 226score —
Other - Recreation · 2,345,603 sq ft
Museum · 2,153,282 sq ft
- Imperial Housescore 73
Multifamily Housing · 900,511 sq ft
- Imperial Housescore 69
Multifamily Housing · 884,999 sq ft
- Benchmarking Group - 209score —
College/University · 854,879 sq ft
- NH Lenox Hill Hospital Campusscore 64
Hospital (General Medical & Surgical) · 850,896 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is Duke Mansion's energy grade?
Duke Mansion did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 42.8 kBtu/ft².
How much energy does Duke Mansion use?
Its 2024 site energy-use intensity was 42.8 kBtu/ft² (71.2 kBtu/ft² source) across 60,184 sq ft, including 264,818 kWh of electricity and 16,733 therms of natural gas.
What are Duke Mansion's carbon emissions?
Duke Mansion reported 193 tCO₂e of greenhouse-gas emissions (3.2 kgCO₂e/ft²) for 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.
Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:5871172:2024.