45 Flagg St
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 78 (band B) |
| Site EUI | 72.3 kBtu/ft² |
| Source EUI | 110.6 kBtu/ft² |
| GHG emissions | 1,026 tCO₂e |
| GHG intensity | — |
| Electricity | 909,830 kWh |
| Water use | 5,393 kgal |
| Gross floor area | 209,979 sq ft |
| Source record | cambridge:B1179:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 78 | +1 | 72.3 kBtu/ft² | 1,026 tCO₂e |
| 2023 | 77 | -1 | 71.3 kBtu/ft² | 1,012 tCO₂e |
| 2022 | 78 | -3 | 75.2 kBtu/ft² | 1,065 tCO₂e |
| 2021 | 81 | -3 | 70.3 kBtu/ft² | 997 tCO₂e |
| 2020 | 84 | +6 | 67.5 kBtu/ft² | 951 tCO₂e |
| 2019 | 78 | -2 | 77.0 kBtu/ft² | 1,071 tCO₂e |
| 2018 | 80 | +3 | 76.3 kBtu/ft² | 1,075 tCO₂e |
| 2017 | 77 | +1 | 75.9 kBtu/ft² | 1,085 tCO₂e |
| 2016 | 76 | ±0 | 75.0 kBtu/ft² | 1,075 tCO₂e |
| 2015 | 76 | 79.4 kBtu/ft² | 1,143 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
PRESIDENT & FELLOWS OF HARVARD COLLEGE
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Location
- Address
- 45 Flagg St
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.36820, -71.11530
Within ~1 km
Nearby benchmarked buildings
- 1 Bennet Streetscore 67
Hotel · 498,000 sq ft
- 900 Memorial Drivescore 47
Multifamily Housing · 450,849 sq ft
- 459 Broadwayscore 71
K-12 School · 403,393 sq ft
- 75 Mount Auburn Streetscore 79
Office · 345,571 sq ft
- 812 Memorial Drscore 99
Multifamily Housing · 283,150 sq ft
- 95 Dunster Stscore —
Residence Hall/Dormitory · 257,543 sq ft
See also: most efficient in Cambridge · biggest emitters
Frequently asked questions
What is 45 Flagg St's energy grade?
45 Flagg St scores 78 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 45 Flagg St use?
Its 2024 site energy-use intensity was 72.3 kBtu/ft² (110.6 kBtu/ft² source) across 209,979 sq ft, including 909,830 kWh of electricity.
What are 45 Flagg St's carbon emissions?
45 Flagg St reported 1,026 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:B1179:2024.