The Millennium Building
Office in Washington, DC, DC · 1909 K Street NW · 20006
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 80 (band B) |
| Site EUI | 44.4 kBtu/ft² |
| Source EUI | 123.8 kBtu/ft² |
| GHG emissions | 946 tCO₂e |
| GHG intensity | 3.9 kgCO₂e/ft² |
| Electricity | 3,141,937 kWh |
| Natural gas | 0 therms |
| Water use | 2,365 kgal |
| Gross floor area | 242,937 sq ft |
| Source record | dc:PM27448:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 80 | -7 | 44.4 kBtu/ft² | 946 tCO₂e |
| 2023 | 87 | +4 | 38.3 kBtu/ft² | 836 tCO₂e |
| 2022 | 83 | +1 | 40.9 kBtu/ft² | 865 tCO₂e |
| 2021 | 82 | -2 | 41.0 kBtu/ft² | 925 tCO₂e |
| 2020 | 84 | ±0 | 40.7 kBtu/ft² | 946 tCO₂e |
| 2019 | 84 | +3 | 44.5 kBtu/ft² | 1,035 tCO₂e |
| 2018 | 81 | -13 | 47.4 kBtu/ft² | 1,101 tCO₂e |
| 2017 | 94 | ±0 | 43.5 kBtu/ft² | 1,172 tCO₂e |
| 2016 | 94 | +3 | 45.8 kBtu/ft² | 1,276 tCO₂e |
| 2015 | 91 | +4 | 49.7 kBtu/ft² | 1,616 tCO₂e |
| 2014 | 87 | +2 | 56.3 kBtu/ft² | 1,830 tCO₂e |
| 2013 | 85 | -3 | 58.5 kBtu/ft² | 1,800 tCO₂e |
| 2012 | 88 | 59.8 kBtu/ft² | 2,056 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
NINA JO ASSOCIATES LLC
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1909 K Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20006
- Coordinates
- 38.90281, -77.04408
Within ~1 km
Nearby benchmarked buildings
- BEPS1 - Foggy Bottom Campusscore —
Mixed Use Property · 5,533,789 sq ft
- 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
- Lafayette Centrescore 74
Office · 908,482 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is The Millennium Building's energy grade?
The Millennium Building 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 The Millennium Building use?
Its 2024 site energy-use intensity was 44.4 kBtu/ft² (123.8 kBtu/ft² source) across 242,937 sq ft, including 3,141,937 kWh of electricity and 0 therms of natural gas.
What are The Millennium Building's carbon emissions?
The Millennium Building reported 946 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:PM27448:2024.