29-51 Belvidere St
Data Center in Boston, MA · 2115.
At a glance
29-51 Belvidere St is a 119,288-square-foot data center in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 176.5 kBtu/ft² and 1,201 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 176.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,201 tCO₂e |
| GHG intensity | — |
| Electricity | 6,170,806 kWh |
| Gross floor area | 119,288 sq ft |
| Source record | boston:104594:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 176.5 kBtu/ft² | 1,201 tCO₂e | |
| 2023 | — | 178.7 kBtu/ft² | 1,285 tCO₂e | |
| 2022 | — | 190.5 kBtu/ft² | 1,797 tCO₂e |
Compliance context
BERDO 2.0
BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.
Ownership
NEW ENG TEL & TEL CO
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Location
- Address
- 29-51 Belvidere St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2115.
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Boston · biggest emitters
How does 29-51 Belvidere St compare with other data center buildings in Boston?
The latest disclosures cover 8 data center buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 176.5 kBtu/ft² is about 22% above the average of 144.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 119,288 sq ft, it is about 45% above the average floor area of 82,261 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 267 data center buildings average an ENERGY STAR score of 68 and a site EUI of 504.4 kBtu/ft².
How has 29-51 Belvidere St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 29-51 Belvidere St, covering report years 2022–2024. Site EUI moved from 190.5 kBtu/ft² (2022) to 176.5 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 1,797 tCO₂e to 1,201 tCO₂e over the same span (down 33%).
What does a site EUI of 176.5 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. 29-51 Belvidere St's 176.5 kBtu/ft² across 119,288 sq ft works out to about 21.1 billion Btu (6,170 MWh-equivalent) in 2024. The disclosure also reports 6,170,806 kWh of electricity for the year.
Which law requires 29-51 Belvidere St to report its energy use?
29-51 Belvidere St reports under BERDO 2.0, the legal basis of Boston's Building Emissions Reduction and Disclosure Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record boston:104594:2024). BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.
More data center buildings in Boston
- 26 Waverly St· 107,953 sq ft · EUI 91.4 kBtu/ft²
- 175 Adams St· 104,335 sq ft · EUI 116.1 kBtu/ft²
- 426 Belgrade Ave· 34,755 sq ft · score 1 (D)
- 560-578 E Fourth St· 23,572 sq ft · EUI 126.1 kBtu/ft²
- 40 Saratoga St· 23,296 sq ft · EUI 189.2 kBtu/ft²
- 16-20 Wirt St· 21,348 sq ft · EUI 256.0 kBtu/ft²
- All Boston benchmarked buildings· BERDO 2.0
- Most efficient large buildings in Boston
- Least efficient large buildings in Boston
- Biggest emitters in Boston
Frequently asked questions
What is 29-51 Belvidere St's energy grade?
29-51 Belvidere St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 176.5 kBtu/ft².
How much energy does 29-51 Belvidere St use?
Its 2024 site energy-use intensity was 176.5 kBtu/ft² across 119,288 sq ft, including 6,170,806 kWh of electricity.
What are 29-51 Belvidere St's carbon emissions?
29-51 Belvidere St reported 1,201 tCO₂e of greenhouse-gas emissions for 2024.
Where is 29-51 Belvidere St?
29-51 Belvidere St is in Boston, Massachusetts 2115.
How big is 29-51 Belvidere St and when was it built?
29-51 Belvidere St has 119,288 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as data center.
Is 29-51 Belvidere St covered by BERDO 2.0?
Yes — it appears in the 2024 Building Emissions Reduction and Disclosure Ordinance disclosure, which lists the buildings reporting under BERDO 2.0.
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About this data
Source: Building Emissions Reduction and Disclosure Ordinance (BERDO 2.0), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “29-51 Belvidere St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/29-51-belvidere-st-b1fb08d9 (data as of July 9, 2026).