Square N515 (Mount Vernon Phase I)
Multifamily Housing in Washington, DC, DC · 425 L Street NW · 20001
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 26.6 kBtu/ft² |
| Source EUI | 74.4 kBtu/ft² |
| GHG emissions | 715 tCO₂e |
| GHG intensity | 2.1 kgCO₂e/ft² |
| Electricity | 2,630,967 kWh |
| Natural gas | 24 therms |
| Water use | 10,419 kgal |
| Gross floor area | 337,838 sq ft |
| Source record | dc:PM4005952:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 99 | -1 | 26.6 kBtu/ft² | 715 tCO₂e |
| 2023 | 100 | +7 | 8.2 kBtu/ft² | 221 tCO₂e |
| 2022 | 93 | +1 | 34.0 kBtu/ft² | 998 tCO₂e |
| 2021 | 92 | ±0 | 34.3 kBtu/ft² | 1,010 tCO₂e |
| 2020 | 92 | ±0 | 33.6 kBtu/ft² | 990 tCO₂e |
| 2019 | 92 | +1 | 35.3 kBtu/ft² | 1,106 tCO₂e |
| 2018 | 91 | -9 | 36.8 kBtu/ft² | 1,177 tCO₂e |
| 2017 | 100 | ±0 | 21.6 kBtu/ft² | 803 tCO₂e |
| 2016 | 100 | ±0 | 20.7 kBtu/ft² | 799 tCO₂e |
| 2015 | 100 | ±0 | 19.2 kBtu/ft² | 860 tCO₂e |
| 2014 | 100 | ±0 | 13.0 kBtu/ft² | 581 tCO₂e |
| 2013 | 100 | 12.8 kBtu/ft² | 577 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
SQUARE N515 ASSOCIATES LLC
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Location
- Address
- 425 L Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20001
- Coordinates
- 38.90410, -77.01740
Within ~1 km
Nearby benchmarked buildings
Convention Center · 1,750,000 sq ft
Hotel · 1,081,202 sq ft
Multifamily Housing · 1,075,449 sq ft
- Capital One Arenascore —
Indoor Arena · 856,840 sq ft
Hotel · 720,000 sq ft
- Georgetown Lawscore —
Mixed Use Property · 718,476 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Square N515 (Mount Vernon Phase I)'s energy grade?
Square N515 (Mount Vernon Phase I) scores 99 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Square N515 (Mount Vernon Phase I) use?
Its 2024 site energy-use intensity was 26.6 kBtu/ft² (74.4 kBtu/ft² source) across 337,838 sq ft, including 2,630,967 kWh of electricity and 24 therms of natural gas.
What are Square N515 (Mount Vernon Phase I)'s carbon emissions?
Square N515 (Mount Vernon Phase I) reported 715 tCO₂e of greenhouse-gas emissions (2.1 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:PM4005952:2024.