West Half
Multifamily Housing in Washington, DC, DC · 1201 Half Street, SE · 20003
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 84 (band B) |
| Site EUI | 46.3 kBtu/ft² |
| Source EUI | 102.2 kBtu/ft² |
| GHG emissions | 1,583 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 4,030,831 kWh |
| Natural gas | 70,818 therms |
| Water use | 14,409 kgal |
| Gross floor area | 449,656 sq ft |
| Source record | dc:PM6037917:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 84 | +1 | 46.3 kBtu/ft² | 1,583 tCO₂e |
| 2023 | 83 | -3 | 44.3 kBtu/ft² | 1,559 tCO₂e |
| 2022 | 86 | +10 | 45.4 kBtu/ft² | 1,559 tCO₂e |
| 2021 | 76 | 54.6 kBtu/ft² | 1,769 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
WEST HALF RESIDENTIAL III LLC
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Location
- Address
- 1201 Half Street, SE
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20003
- Coordinates
- 38.87514, -77.00780
Within ~1 km
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is West Half's energy grade?
West Half scores 84 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 West Half use?
Its 2024 site energy-use intensity was 46.3 kBtu/ft² (102.2 kBtu/ft² source) across 449,656 sq ft, including 4,030,831 kWh of electricity and 70,818 therms of natural gas.
What are West Half's carbon emissions?
West Half reported 1,583 tCO₂e of greenhouse-gas emissions (3.5 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:PM6037917:2024.