Two Constitution Square
Office in Washington, DC, DC · 145 N Street, NE · 20002
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 80 (band B) |
| Site EUI | 44.6 kBtu/ft² |
| Source EUI | 125.0 kBtu/ft² |
| GHG emissions | 2,443 tCO₂e |
| GHG intensity | 3.9 kgCO₂e/ft² |
| Electricity | 8,158,674 kWh |
| Natural gas | 0 therms |
| Water use | 4,338 kgal |
| Gross floor area | 623,532 sq ft |
| Source record | dc:PM2482515:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 80 | ±0 | 44.6 kBtu/ft² | 2,443 tCO₂e |
| 2023 | 80 | -3 | 44.0 kBtu/ft² | 2,466 tCO₂e |
| 2022 | 83 | -2 | 41.1 kBtu/ft² | 2,235 tCO₂e |
| 2021 | 85 | +2 | 38.6 kBtu/ft² | 2,233 tCO₂e |
| 2020 | 83 | +4 | 41.8 kBtu/ft² | 2,493 tCO₂e |
| 2019 | 79 | ±0 | 52.9 kBtu/ft² | 3,155 tCO₂e |
| 2018 | 79 | -11 | 52.8 kBtu/ft² | 3,153 tCO₂e |
| 2017 | 90 | ±0 | 51.3 kBtu/ft² | 3,549 tCO₂e |
| 2016 | 90 | ±0 | 52.8 kBtu/ft² | 3,777 tCO₂e |
| 2015 | 90 | +2 | 52.1 kBtu/ft² | 4,353 tCO₂e |
| 2014 | 88 | +1 | 54.9 kBtu/ft² | 4,580 tCO₂e |
| 2012 | 87 | 59.2 kBtu/ft² | 5,280 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
TWO CON LLC
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Location
- Address
- 145 N Street, NE
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20002
- Coordinates
- 38.90683, -77.00459
Within ~1 km
Nearby benchmarked buildings
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- Senate Square (se127)score 51
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- Union Place-Toll Brothersscore 98
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- The Gale Eckingtonscore 85
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- Sentinel Square IIIscore 85
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Two Constitution Square's energy grade?
Two Constitution Square scores 80 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 Two Constitution Square use?
Its 2024 site energy-use intensity was 44.6 kBtu/ft² (125.0 kBtu/ft² source) across 623,532 sq ft, including 8,158,674 kWh of electricity and 0 therms of natural gas.
What are Two Constitution Square's carbon emissions?
Two Constitution Square reported 2,443 tCO₂e of greenhouse-gas emissions (3.9 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:PM2482515:2024.