1666 Connecticut Ave NW
Office in Washington, DC, DC · 20009
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 85 (band A) |
| Site EUI | 44.7 kBtu/ft² |
| Source EUI | 97.0 kBtu/ft² |
| GHG emissions | 266 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 662,558 kWh |
| Natural gas | 12,764 therms |
| Water use | 689 kgal |
| Gross floor area | 79,044 sq ft |
| Source record | dc:PM3955321:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 85 | +4 | 44.7 kBtu/ft² | 266 tCO₂e |
| 2023 | 81 | +3 | 47.8 kBtu/ft² | 294 tCO₂e |
| 2022 | 78 | +1 | 53.0 kBtu/ft² | 319 tCO₂e |
| 2021 | 77 | -4 | 54.6 kBtu/ft² | 329 tCO₂e |
| 2020 | 81 | +11 | 49.9 kBtu/ft² | 305 tCO₂e |
| 2019 | 70 | +4 | 60.0 kBtu/ft² | 391 tCO₂e |
| 2018 | 66 | -1 | 65.3 kBtu/ft² | 428 tCO₂e |
| 2017 | 67 | +13 | 75.8 kBtu/ft² | 592 tCO₂e |
| 2016 | 54 | +1 | 88.2 kBtu/ft² | 716 tCO₂e |
| 2015 | 53 | +3 | 91.8 kBtu/ft² | 826 tCO₂e |
| 2014 | 50 | 95.2 kBtu/ft² | 852 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
1666 CONNECTICUT LLC
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Location
- Address
- 1666 Connecticut Ave NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20009
- Coordinates
- 38.91234, -77.04548
Within ~1 km
Nearby benchmarked buildings
- DUPONT HOTEL PROJECT OWNER LLCscore 46
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- Washington Hiltonscore 1
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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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- Lafayette Centrescore 74
Office · 908,482 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is 1666 Connecticut Ave NW's energy grade?
1666 Connecticut Ave NW scores 85 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 1666 Connecticut Ave NW use?
Its 2024 site energy-use intensity was 44.7 kBtu/ft² (97.0 kBtu/ft² source) across 79,044 sq ft, including 662,558 kWh of electricity and 12,764 therms of natural gas.
What are 1666 Connecticut Ave NW's carbon emissions?
1666 Connecticut Ave NW reported 266 tCO₂e of greenhouse-gas emissions (3.4 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:PM3955321:2024.