1Westlight
Multifamily Housing in Washington, DC, DC · 1110 23rd St NW · 20037
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 37 (band D) |
| Site EUI | 59.0 kBtu/ft² |
| Source EUI | 123.9 kBtu/ft² |
| GHG emissions | 1,559 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 3,714,224 kWh |
| Natural gas | 84,091 therms |
| Water use | 131 kgal |
| Gross floor area | 357,585 sq ft |
| Source record | dc:PM6451389:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 37 | +3 | 59.0 kBtu/ft² | 1,559 tCO₂e |
| 2023 | 34 | -4 | 58.2 kBtu/ft² | 1,555 tCO₂e |
| 2022 | 38 | +13 | 61.7 kBtu/ft² | 1,635 tCO₂e |
| 2021 | 25 | -11 | 70.3 kBtu/ft² | 1,797 tCO₂e |
| 2020 | 36 | -13 | 61.7 kBtu/ft² | 1,578 tCO₂e |
| 2019 | 49 | 53.6 kBtu/ft² | 1,540 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
DISTRICT OF COLUMBIA
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1110 23rd St NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20037
- Coordinates
- 38.90397, -77.05063
Within ~1 km
Nearby benchmarked buildings
- BEPS1 - Foggy Bottom Campusscore —
Mixed Use Property · 5,533,789 sq ft
- Ross Hall Groupscore —
College/University · 1,047,627 sq ft
- Columbia Plaza All Bldgsscore 30
Multifamily Housing · 942,990 sq ft
- Lafayette Centrescore 74
Office · 908,482 sq ft
Mixed Use Property · 844,878 sq ft
Office · 638,558 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is 1Westlight's energy grade?
1Westlight scores 37 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1Westlight use?
Its 2024 site energy-use intensity was 59.0 kBtu/ft² (123.9 kBtu/ft² source) across 357,585 sq ft, including 3,714,224 kWh of electricity and 84,091 therms of natural gas.
What are 1Westlight's carbon emissions?
1Westlight reported 1,559 tCO₂e of greenhouse-gas emissions (4.4 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:PM6451389:2024.