Six Sixty North Capitol
Office in Washington, DC, DC · 660 North Capitol Street,NW · 20001
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 84 (band B) |
| Site EUI | 33.6 kBtu/ft² |
| Source EUI | 93.9 kBtu/ft² |
| GHG emissions | 627 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 2,095,297 kWh |
| Natural gas | 0 therms |
| Water use | 168 kgal |
| Gross floor area | 213,081 sq ft |
| Source record | dc:PM4993774:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 84 | +1 | 33.6 kBtu/ft² | 627 tCO₂e |
| 2023 | 83 | +6 | 35.1 kBtu/ft² | 657 tCO₂e |
| 2022 | 77 | -5 | 39.9 kBtu/ft² | 745 tCO₂e |
| 2021 | 82 | -8 | 35.0 kBtu/ft² | 722 tCO₂e |
| 2020 | 90 | +10 | 34.8 kBtu/ft² | 739 tCO₂e |
| 2019 | 80 | ±0 | 42.3 kBtu/ft² | 897 tCO₂e |
| 2018 | 80 | 41.2 kBtu/ft² | 875 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
660 NC LLC
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Location
- Address
- 660 North Capitol Street,NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20001
- Coordinates
- 38.89861, -77.00959
Within ~1 km
Nearby benchmarked buildings
- One Judiciary Squarescore 41
Office · 850,354 sq ft
- Marion Barry Buildingscore 42
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- Station Place Iscore 68
Office · 788,412 sq ft
Multifamily Housing · 742,606 sq ft
- Georgetown Lawscore —
Mixed Use Property · 718,476 sq ft
Hotel · 715,075 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Six Sixty North Capitol's energy grade?
Six Sixty North Capitol 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 Six Sixty North Capitol use?
Its 2024 site energy-use intensity was 33.6 kBtu/ft² (93.9 kBtu/ft² source) across 213,081 sq ft, including 2,095,297 kWh of electricity and 0 therms of natural gas.
What are Six Sixty North Capitol's carbon emissions?
Six Sixty North Capitol reported 627 tCO₂e of greenhouse-gas emissions (2.9 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:PM4993774:2024.