One Mass Ave
Office in Washington, DC, DC · 1 Massachusetts Avenue, NW · 20001
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 77 (band B) |
| Site EUI | 44.8 kBtu/ft² |
| Source EUI | 125.5 kBtu/ft² |
| GHG emissions | 768 tCO₂e |
| GHG intensity | 3.9 kgCO₂e/ft² |
| Electricity | 2,564,390 kWh |
| Natural gas | 0 therms |
| Water use | 2,788 kgal |
| Gross floor area | 195,276 sq ft |
| Source record | dc:PM1852852:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 77 | +4 | 44.8 kBtu/ft² | 768 tCO₂e |
| 2023 | 73 | +3 | 47.2 kBtu/ft² | 829 tCO₂e |
| 2022 | 70 | +1 | 50.0 kBtu/ft² | 850 tCO₂e |
| 2021 | 69 | -6 | 49.6 kBtu/ft² | 899 tCO₂e |
| 2020 | 75 | +10 | 45.6 kBtu/ft² | 853 tCO₂e |
| 2019 | 65 | -3 | 57.6 kBtu/ft² | 1,077 tCO₂e |
| 2018 | 68 | -22 | 56.0 kBtu/ft² | 1,046 tCO₂e |
| 2017 | 90 | -3 | 48.7 kBtu/ft² | 1,055 tCO₂e |
| 2016 | 93 | +6 | 45.1 kBtu/ft² | 1,010 tCO₂e |
| 2015 | 87 | +7 | 51.9 kBtu/ft² | 1,358 tCO₂e |
| 2014 | 80 | +5 | 59.5 kBtu/ft² | 1,556 tCO₂e |
| 2013 | 75 | -5 | 63.5 kBtu/ft² | 1,570 tCO₂e |
| 2012 | 80 | 64.3 kBtu/ft² | 1,777 tCO₂e |
Compliance context
Clean and Affordable Energy Act / BEPS
DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.
Ownership
NATIONAL GUARD ASSOCIATION OF THE UNITED STATES INC
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Location
- Address
- 1 Massachusetts Avenue, NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20001
- Coordinates
- 38.89812, -77.00956
Within ~1 km
Nearby benchmarked buildings
- Marion Barry Buildingscore 42
Office · 850,354 sq ft
- One Judiciary Squarescore 41
Office · 850,354 sq ft
- Station Place Iscore 68
Office · 788,412 sq ft
Multifamily Housing · 742,606 sq ft
- Georgetown Lawscore —
Mixed Use Property · 718,476 sq ft
Hotel · 715,075 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is One Mass Ave's energy grade?
One Mass Ave scores 77 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does One Mass Ave use?
Its 2024 site energy-use intensity was 44.8 kBtu/ft² (125.5 kBtu/ft² source) across 195,276 sq ft, including 2,564,390 kWh of electricity and 0 therms of natural gas.
What are One Mass Ave's carbon emissions?
One Mass Ave reported 768 tCO₂e of greenhouse-gas emissions (3.9 kgCO₂e/ft²) for 2024. DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.
Dataset updated . Source: Building Energy Benchmarking disclosure, record dc:PM1852852:2024.