1 Porter Square
Strip Mall in Cambridge, MA
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 5 (band D) |
| Site EUI | 100.7 kBtu/ft² |
| Source EUI | 254.5 kBtu/ft² |
| GHG emissions | 391 tCO₂e |
| GHG intensity | — |
| Electricity | 1,396,762 kWh |
| Natural gas | 8,841 therms |
| Gross floor area | 56,078 sq ft |
| Source record | cambridge:B1348:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 5 | +1 | 100.7 kBtu/ft² | 391 tCO₂e |
| 2023 | 4 | +1 | 108.0 kBtu/ft² | 417 tCO₂e |
| 2022 | 3 | -1 | 112.5 kBtu/ft² | 431 tCO₂e |
| 2021 | 4 | ±0 | 106.3 kBtu/ft² | 410 tCO₂e |
| 2020 | 4 | +3 | 116.0 kBtu/ft² | 426 tCO₂e |
| 2019 | 1 | -80 | 150.4 kBtu/ft² | 522 tCO₂e |
| 2018 | 81 | 42.9 kBtu/ft² | 157 tCO₂e | |
| 2017 | — | 37.0 kBtu/ft² | 148 tCO₂e | |
| 2016 | — | 36.1 kBtu/ft² | 148 tCO₂e | |
| 2015 | — | 44.8 kBtu/ft² | 190 tCO₂e |
Compliance context
BEUDO
Cambridge's 2023 BEUDO amendments require large non-residential buildings to cut emissions to net zero by 2035–2050, with compliance obligations starting from 2025 reporting.
Ownership
CPUS PORTER SQUARE, LP
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Location
- Address
- 1 Porter Square
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.38850, -71.11840
Within ~1 km
Nearby benchmarked buildings
- 46-56 Linnaean Streetscore —
Residence Hall/Dormitory · 251,014 sq ft
- 1815 MASSACHUSETTS AVEscore —
College/University · 231,590 sq ft
- 1815 MASSACHUSETTS AVEscore —
College/University · 231,590 sq ft
- 64 Linnaean Streetscore —
Residence Hall/Dormitory · 191,944 sq ft
- 24 Fernald Drivescore 91
Multifamily Housing · 181,869 sq ft
- 1-53 White Streetscore —
Retail Store · 175,898 sq ft
See also: most efficient in Cambridge · biggest emitters
Frequently asked questions
What is 1 Porter Square's energy grade?
1 Porter Square scores 5 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1 Porter Square use?
Its 2024 site energy-use intensity was 100.7 kBtu/ft² (254.5 kBtu/ft² source) across 56,078 sq ft, including 1,396,762 kWh of electricity and 8,841 therms of natural gas.
What are 1 Porter Square's carbon emissions?
1 Porter Square reported 391 tCO₂e of greenhouse-gas emissions for 2024. Cambridge's 2023 BEUDO amendments require large non-residential buildings to cut emissions to net zero by 2035–2050, with compliance obligations starting from 2025 reporting.
Dataset updated . Source: Building Energy Use Disclosure Ordinance (BEUDO) disclosure, record cambridge:B1348:2024.