25 AMES ST
College/University in Cambridge, MA
At a glance
25 AMES ST is a 133,798-square-foot college/university building in Cambridge, Massachusetts, built in 1976. In its 2024 Cambridge benchmarking disclosure it reported a site energy-use intensity of 314.7 kBtu/ft² and 2,702 tCO₂e of greenhouse-gas emissions.
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 314.7 kBtu/ft² |
| Source EUI | 442.0 kBtu/ft² |
| GHG emissions | 2,702 tCO₂e |
| GHG intensity | — |
| Electricity | 2,406,335 kWh |
| Natural gas | 76 therms |
| Water use | 1,130 kgal |
| Gross floor area | 133,798 sq ft |
| Source record | cambridge:B1497:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 314.7 kBtu/ft² | 2,702 tCO₂e | |
| 2023 | — | 292.0 kBtu/ft² | 2,517 tCO₂e | |
| 2022 | — | 311.5 kBtu/ft² | 2,689 tCO₂e | |
| 2021 | — | 370.2 kBtu/ft² | 3,170 tCO₂e | |
| 2020 | — | 351.7 kBtu/ft² | 2,987 tCO₂e | |
| 2019 | — | 395.0 kBtu/ft² | 3,323 tCO₂e | |
| 2018 | — | 392.8 kBtu/ft² | 3,343 tCO₂e | |
| 2017 | — | 387.2 kBtu/ft² | 3,381 tCO₂e | |
| 2016 | — | 352.3 kBtu/ft² | 3,064 tCO₂e | |
| 2015 | — | 412.6 kBtu/ft² | 3,607 tCO₂e |
Compliance context
BEUDO
Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).
Ownership
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
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Location
- Address
- 25 AMES ST
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.36090, -71.08900
Within ~1 km
Nearby benchmarked buildings
- 250 Massachusetts Avenuescore —
Laboratory · 1,362,662 sq ft
- 325 Main Stscore 87
Office · 494,512 sq ft
- 145 Broadwayscore 91
Office · 490,000 sq ft
- 314 Main St.score 80
Office · 482,220 sq ft
- 303 Binney Stscore —
Laboratory · 480,000 sq ft
- 32 VASSAR STscore —
College/University · 464,005 sq ft
See also: most efficient in Cambridge · biggest emitters
How does 25 AMES ST compare with other college/university buildings in Cambridge?
The latest disclosures cover 203 college/university buildings in Cambridge, out of 902 buildings citywide. Its site EUI of 314.7 kBtu/ft² is about twice the average of 154.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 133,798 sq ft, it is about 38% above the average floor area of 96,964 sq ft for those buildings. It was built in 1976, 27 years later than the group's average year built (1949). 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 25 AMES ST's energy performance changed over time?
BuildingCensus holds 10 Cambridge disclosures for 25 AMES ST, covering report years 2015–2024. Site EUI moved from 412.6 kBtu/ft² (2015) to 314.7 kBtu/ft² (2024), a 24% decrease. Reported emissions went from 3,607 tCO₂e to 2,702 tCO₂e over the same span (down 25%).
What does a site EUI of 314.7 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. 25 AMES ST's 314.7 kBtu/ft² across 133,798 sq ft works out to about 42.1 billion Btu (12,340 MWh-equivalent) in 2024. Its source EUI of 442.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,406,335 kWh of electricity, 76 therms of natural gas and 1,130 thousand gallons of water for the year.
Which law requires 25 AMES ST to report its energy use?
25 AMES ST reports under BEUDO, the legal basis of Cambridge's Building Energy Use Disclosure Ordinance (BEUDO), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record cambridge:B1497:2024). Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).
More college/university buildings in Cambridge
- 21 AMES ST· 133,552 sq ft · EUI 623.1 kBtu/ft²
- 60 VASSAR ST· 133,545 sq ft · EUI 282.2 kBtu/ft²
- 362 MEMORIAL DR· 133,099 sq ft · EUI 106.9 kBtu/ft²
- 143 ALBANY ST· 132,530 sq ft · EUI 95.8 kBtu/ft²
- 500 MEMORIAL DR· 132,006 sq ft · EUI 79.6 kBtu/ft²
- 21 AMES ST· 129,397 sq ft · EUI 191.5 kBtu/ft²
- College/University buildings in Cambridge· 203 benchmarked
- All Cambridge benchmarked buildings· BEUDO
- Most efficient large buildings in Cambridge
- Least efficient large buildings in Cambridge
- Biggest emitters in Cambridge
Frequently asked questions
What is 25 AMES ST's energy grade?
25 AMES ST did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 314.7 kBtu/ft².
How much energy does 25 AMES ST use?
Its 2024 site energy-use intensity was 314.7 kBtu/ft² (442.0 kBtu/ft² source) across 133,798 sq ft, including 2,406,335 kWh of electricity and 76 therms of natural gas.
What are 25 AMES ST's carbon emissions?
25 AMES ST reported 2,702 tCO₂e of greenhouse-gas emissions for 2024.
Where is 25 AMES ST?
25 AMES ST is in Cambridge, Massachusetts. Its coordinates are 42.36090, -71.08900 (latitude, longitude), as published in the Building Energy Use Disclosure Ordinance (BEUDO) file.
How big is 25 AMES ST and when was it built?
25 AMES ST has 133,798 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1976 as its year built. It is classed as college/university.
Is 25 AMES ST covered by BEUDO?
Yes — it appears in the 2024 Building Energy Use Disclosure Ordinance (BEUDO) disclosure, which lists the buildings reporting under BEUDO.
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About this data
Source: Building Energy Use Disclosure Ordinance (BEUDO) (BEUDO), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “25 AMES ST, Cambridge, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/cambridge/25-ames-st-94d65ae5 (data as of October 2, 2026).