Sonnet
Multifamily Housing in Washington, DC, DC · 1441 U Street NW · 20009
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 52.1 kBtu/ft² |
| Source EUI | 136.2 kBtu/ft² |
| GHG emissions | 1,033 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 3,218,346 kWh |
| Natural gas | 13,002 therms |
| Water use | 8,650 kgal |
| Gross floor area | 235,696 sq ft |
| Source record | dc:PM6751768:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 46 | +7 | 52.1 kBtu/ft² | 1,033 tCO₂e |
| 2023 | 39 | -11 | 56.1 kBtu/ft² | 1,101 tCO₂e |
| 2022 | 50 | -21 | 56.7 kBtu/ft² | 1,100 tCO₂e |
| 2021 | 71 | -4 | 30.8 kBtu/ft² | 759 tCO₂e |
| 2020 | 75 | 26.8 kBtu/ft² | 692 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
1441 U STREET LLC
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Location
- Address
- 1441 U Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20009
- Coordinates
- 38.91718, -77.03373
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Sonnet's energy grade?
Sonnet scores 46 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 Sonnet use?
Its 2024 site energy-use intensity was 52.1 kBtu/ft² (136.2 kBtu/ft² source) across 235,696 sq ft, including 3,218,346 kWh of electricity and 13,002 therms of natural gas.
What are Sonnet's carbon emissions?
Sonnet reported 1,033 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:PM6751768:2024.