Northwestern Building
Office in Washington, DC, DC · 1800 G Street NW · 20006
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 90 (band A) |
| Site EUI | 38.2 kBtu/ft² |
| Source EUI | 96.0 kBtu/ft² |
| GHG emissions | 2,299 tCO₂e |
| GHG intensity | 3.1 kgCO₂e/ft² |
| Electricity | 6,852,629 kWh |
| Natural gas | 46,461 therms |
| Water use | 5,660 kgal |
| Gross floor area | 732,964 sq ft |
| Source record | dc:PM1257644:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 90 | +1 | 38.2 kBtu/ft² | 2,299 tCO₂e |
| 2023 | 89 | ±0 | 39.3 kBtu/ft² | 2,399 tCO₂e |
| 2022 | 89 | +1 | 39.8 kBtu/ft² | 2,357 tCO₂e |
| 2021 | 88 | -1 | 42.2 kBtu/ft² | 2,603 tCO₂e |
| 2020 | 89 | +4 | 42.9 kBtu/ft² | 2,706 tCO₂e |
| 2019 | 85 | +5 | 54.2 kBtu/ft² | 3,423 tCO₂e |
| 2018 | 80 | -8 | 55.7 kBtu/ft² | 3,496 tCO₂e |
| 2017 | 88 | +3 | 57.2 kBtu/ft² | 4,120 tCO₂e |
| 2016 | 85 | +1 | 60.1 kBtu/ft² | 4,524 tCO₂e |
| 2015 | 84 | -1 | 60.9 kBtu/ft² | 5,301 tCO₂e |
| 2014 | 85 | +1 | 58.4 kBtu/ft² | 5,189 tCO₂e |
| 2013 | 84 | -3 | 57.4 kBtu/ft² | 4,800 tCO₂e |
| 2012 | 87 | 61.2 kBtu/ft² | 5,579 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
NORTHWESTERN DEVELOPMENT CO
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Location
- Address
- 1800 G Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20006
- Coordinates
- 38.89802, -77.04259
Within ~1 km
Nearby benchmarked buildings
- Main Complexscore 59
Office · 1,872,507 sq ft
- International Squarescore 56
Office · 1,233,833 sq ft
- Ross Hall Groupscore —
College/University · 1,047,627 sq ft
- Columbia Plaza All Bldgsscore 30
Multifamily Housing · 942,990 sq ft
- Midtown Centerscore 91
Office · 911,093 sq ft
- Lafayette Centrescore 74
Office · 908,482 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Northwestern Building's energy grade?
Northwestern Building scores 90 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 Northwestern Building use?
Its 2024 site energy-use intensity was 38.2 kBtu/ft² (96.0 kBtu/ft² source) across 732,964 sq ft, including 6,852,629 kWh of electricity and 46,461 therms of natural gas.
What are Northwestern Building's carbon emissions?
Northwestern Building reported 2,299 tCO₂e of greenhouse-gas emissions (3.1 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:PM1257644:2024.