AKAM - 3 Hanover Square
Multifamily Housing in New York City, NY · 2 William Street · 10004
At a glance
AKAM - 3 Hanover Square is a 277,325-square-foot multifamily housing building at 2 William Street in New York City, New York, built in 1926. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 84.0 kBtu/ft² and 1,609 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 84.0 kBtu/ft² |
| Source EUI | 126.0 kBtu/ft² |
| GHG emissions | 1,609 tCO₂e |
| GHG intensity | 5.8 kgCO₂e/ft² |
| Electricity | 1,755,883 kWh |
| Natural gas | 173,117 therms |
| Water use | 13,398 kgal |
| Gross floor area | 277,325 sq ft |
| Source record | nyc:4946094:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 84.0 kBtu/ft² | 1,609 tCO₂e | |
| 2023 | 16 | -6 | 88.3 kBtu/ft² | 1,435 tCO₂e |
| 2022 | 22 | 92.1 kBtu/ft² | 1,351 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
- 2 William Street
- City
- New York City
- State
- New York
- ZIP
- 10004
- Coordinates
- 40.70484, -74.00977
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does AKAM - 3 Hanover Square 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 84.0 kBtu/ft² is about 12% 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 5.8 kgCO₂e/ft² is about 12% above the group average of 5.2 kgCO₂e/ft².
At 277,325 sq ft, it is about 175% above 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.
How has AKAM - 3 Hanover Square's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for AKAM - 3 Hanover Square, covering report years 2022–2024. Its ENERGY STAR score went from 22 in 2022 to 16 in 2023 (-6 points); its best year on file was 2022, at 22. Site EUI moved from 92.1 kBtu/ft² (2022) to 84.0 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 1,351 tCO₂e to 1,609 tCO₂e over the same span (up 19%).
What does a site EUI of 84.0 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. AKAM - 3 Hanover Square's 84.0 kBtu/ft² across 277,325 sq ft works out to about 23.3 billion Btu (6,827 MWh-equivalent) in 2024. Its source EUI of 126.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,755,883 kWh of electricity, 173,117 therms of natural gas and 13,398 thousand gallons of water for the year.
Which law requires AKAM - 3 Hanover Square to report its energy use?
AKAM - 3 Hanover Square 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:4946094:2024). 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 multifamily housing buildings in New York City
- FULTON - Bldgs 8-10· 277,210 sq ft · EUI 23.7 kBtu/ft²
- 110 Chauncey Street· 277,200 sq ft · score 3 (D)
- 1711 Fulton St· 277,200 sq ft · score 17 (D)
- 1711 Fulton Street· 277,200 sq ft · score 4 (D)
- Clinton - 34 North 6th Street· 277,178 sq ft · score 49 (D)
- 1493 York Avenue AKA 435 East 79th Street· 277,073 sq ft · score 24 (D)
- Multifamily Housing buildings in New York City· 33,022 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 AKAM - 3 Hanover Square's energy grade?
AKAM - 3 Hanover Square did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 84.0 kBtu/ft².
How much energy does AKAM - 3 Hanover Square use?
Its 2024 site energy-use intensity was 84.0 kBtu/ft² (126.0 kBtu/ft² source) across 277,325 sq ft, including 1,755,883 kWh of electricity and 173,117 therms of natural gas.
What are AKAM - 3 Hanover Square's carbon emissions?
AKAM - 3 Hanover Square reported 1,609 tCO₂e of greenhouse-gas emissions (5.8 kgCO₂e/ft²) for 2024.
Where is AKAM - 3 Hanover Square?
AKAM - 3 Hanover Square is at 2 William Street, in New York City, New York 10004. Its coordinates are 40.70484, -74.00977 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is AKAM - 3 Hanover Square and when was it built?
AKAM - 3 Hanover Square has 277,325 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.
Is AKAM - 3 Hanover Square 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, “AKAM - 3 Hanover Square, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/akam-3-hanover-square-fb7b2cc9 (data as of October 2, 2026).