The William Penn Apartments
Multifamily Housing in Washington, DC, DC · 2231 California St NW · 20008
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 42.9 kBtu/ft² |
| Source EUI | 69.8 kBtu/ft² |
| GHG emissions | 158 tCO₂e |
| GHG intensity | 2.8 kgCO₂e/ft² |
| Electricity | 236,332 kWh |
| Natural gas | 16,400 therms |
| Water use | 1,863 kgal |
| Gross floor area | 57,004 sq ft |
| Source record | dc:PM4005350:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 99 | +1 | 42.9 kBtu/ft² | 158 tCO₂e |
| 2023 | 98 | ±0 | 44.3 kBtu/ft² | 155 tCO₂e |
| 2022 | 98 | -1 | 48.6 kBtu/ft² | 175 tCO₂e |
| 2021 | 99 | +1 | 44.0 kBtu/ft² | 174 tCO₂e |
| 2020 | 98 | ±0 | 42.3 kBtu/ft² | 173 tCO₂e |
| 2019 | 98 | +3 | 46.7 kBtu/ft² | 200 tCO₂e |
| 2018 | 95 | -4 | 53.4 kBtu/ft² | 231 tCO₂e |
| 2017 | 99 | +2 | 36.0 kBtu/ft² | 179 tCO₂e |
| 2016 | 97 | +5 | 43.3 kBtu/ft² | 211 tCO₂e |
| 2015 | 92 | +2 | 52.8 kBtu/ft² | 265 tCO₂e |
| 2014 | 90 | 56.0 kBtu/ft² | 275 tCO₂e | |
| 2013 | — | 52.1 kBtu/ft² | 254 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
WILLIAM PENNSYLVANIA LTD
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Location
- Address
- 2231 California St NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20008
- Coordinates
- 38.91594, -77.05016
Within ~1 km
Nearby benchmarked buildings
- DUPONT HOTEL PROJECT OWNER LLCscore 46
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- Washington Hilton (DCAWH)score 93
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- HLT Washington DC-SVscore 73
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- Washington Hiltonscore 42
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- Omni Shoreham Hotelscore 38
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is The William Penn Apartments's energy grade?
The William Penn Apartments 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 The William Penn Apartments use?
Its 2024 site energy-use intensity was 42.9 kBtu/ft² (69.8 kBtu/ft² source) across 57,004 sq ft, including 236,332 kWh of electricity and 16,400 therms of natural gas.
What are The William Penn Apartments's carbon emissions?
The William Penn Apartments reported 158 tCO₂e of greenhouse-gas emissions (2.8 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:PM4005350:2024.