NYPL_4645_High Bridge Branch Library
Library in New York City, NY · 78 West 168th St · 10452
At a glance
NYPL_4645_High Bridge Branch Library is a 10,400-square-foot library at 78 West 168th St in New York City, New York, built in 1975. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 47.1 kBtu/ft² and 56 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 47.1 kBtu/ft² |
| Source EUI | 131.8 kBtu/ft² |
| GHG emissions | 56 tCO₂e |
| GHG intensity | 5.4 kgCO₂e/ft² |
| Electricity | 143,463 kWh |
| Gross floor area | 10,400 sq ft |
| Source record | nyc:21355499:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 47.1 kBtu/ft² | 56 tCO₂e | |
| 2023 | — | 51.7 kBtu/ft² | 58 tCO₂e | |
| 2022 | — | 95.5 kBtu/ft² | 71 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
- 78 West 168th St
- City
- New York City
- State
- New York
- ZIP
- 10452
- Coordinates
- 40.83819, -73.92364
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does NYPL_4645_High Bridge Branch Library compare with other library buildings in New York City?
The latest disclosures cover 110 library buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 47.1 kBtu/ft² is about 39% below the average of 77.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.4 kgCO₂e/ft² is about 17% below the group average of 6.5 kgCO₂e/ft².
At 10,400 sq ft, it is about 81% below the average floor area of 55,576 sq ft for those buildings. It was built in 1975, 28 years later than the group's average year built (1947).
How has NYPL_4645_High Bridge Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for NYPL_4645_High Bridge Branch Library, covering report years 2022–2024. Site EUI moved from 95.5 kBtu/ft² (2022) to 47.1 kBtu/ft² (2024), a 51% decrease. Reported emissions went from 71 tCO₂e to 56 tCO₂e over the same span (down 21%).
What does a site EUI of 47.1 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. NYPL_4645_High Bridge Branch Library's 47.1 kBtu/ft² across 10,400 sq ft works out to about 0.5 billion Btu (144 MWh-equivalent) in 2024. Its source EUI of 131.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 143,463 kWh of electricity for the year.
Which law requires NYPL_4645_High Bridge Branch Library to report its energy use?
NYPL_4645_High Bridge Branch Library 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:21355499:2024). 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 library buildings in New York City
- NYPL_14330_Charleston Branch Library· 10,205 sq ft · EUI 36.2 kBtu/ft²
- QPL_4726_Douglaston/Little Neck Community Library· 10,200 sq ft · EUI 39.1 kBtu/ft²
- NYPL_4654_Soundview Branch Library· 10,000 sq ft · EUI 117.0 kBtu/ft²
- BPL_244_Gerritsen Beach Branch Library· 9,963 sq ft · EUI 67.4 kBtu/ft²
- NYPL_4527_Melrose Branch Library· 9,927 sq ft · EUI 0.0 kBtu/ft²
- NYPL_4612_Kips Bay Branch Library· 9,400 sq ft · EUI 111.1 kBtu/ft²
- Library buildings in New York City· 110 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 NYPL_4645_High Bridge Branch Library's energy grade?
NYPL_4645_High Bridge Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 47.1 kBtu/ft².
How much energy does NYPL_4645_High Bridge Branch Library use?
Its 2024 site energy-use intensity was 47.1 kBtu/ft² (131.8 kBtu/ft² source) across 10,400 sq ft, including 143,463 kWh of electricity.
What are NYPL_4645_High Bridge Branch Library's carbon emissions?
NYPL_4645_High Bridge Branch Library reported 56 tCO₂e of greenhouse-gas emissions (5.4 kgCO₂e/ft²) for 2024.
Where is NYPL_4645_High Bridge Branch Library?
NYPL_4645_High Bridge Branch Library is at 78 West 168th St, in New York City, New York 10452. Its coordinates are 40.83819, -73.92364 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is NYPL_4645_High Bridge Branch Library and when was it built?
NYPL_4645_High Bridge Branch Library has 10,400 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1975 as its year built. It is classed as library.
Is NYPL_4645_High Bridge Branch Library 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, “NYPL_4645_High Bridge Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/nypl-4645-high-bridge-branch-library-69c0ae1c (data as of October 2, 2026).