Longfellow Apartments
Multifamily Housing in Washington, DC, DC · 5521 Colorado Avenue NW · 20011
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 69 (band C) |
| Site EUI | 76.6 kBtu/ft² |
| Source EUI | 104.7 kBtu/ft² |
| GHG emissions | 313 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 272,901 kWh |
| Natural gas | 38,087 therms |
| Water use | 4,389 kgal |
| Gross floor area | 66,288 sq ft |
| Source record | dc:PM10288675:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 69 | -3 | 76.6 kBtu/ft² | 313 tCO₂e |
| 2023 | 72 | +4 | 71.0 kBtu/ft² | 292 tCO₂e |
| 2022 | 68 | +12 | 78.5 kBtu/ft² | 322 tCO₂e |
| 2021 | 56 | -19 | 89.6 kBtu/ft² | 307 tCO₂e |
| 2020 | 75 | +13 | 74.8 kBtu/ft² | 244 tCO₂e |
| 2019 | 62 | +20 | 87.4 kBtu/ft² | 288 tCO₂e |
| 2018 | 42 | 101.9 kBtu/ft² | 338 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
5521 COLARDO APARTMENTS LLC
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Location
- Address
- 5521 Colorado Avenue NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20011
- Coordinates
- 38.95689, -77.03219
Within ~1 km
Nearby benchmarked buildings
- Walden Commonsscore 60
Multifamily Housing · 135,000 sq ft
- WASHINGTON, DCscore 27
Wholesale Club/Supercenter · 105,455 sq ft
- Brightwood Elementary Schoolscore 18
K-12 School · 94,520 sq ft
- John Lewis Elementary Schoolscore 100
K-12 School · 91,389 sq ft
- 1440 Rock Creek Ford Rd NWscore 41
Multifamily Housing · 86,987 sq ft
- Brightwood Education Campusscore 29
K-12 School · 86,120 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Longfellow Apartments's energy grade?
Longfellow Apartments scores 69 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Longfellow Apartments use?
Its 2024 site energy-use intensity was 76.6 kBtu/ft² (104.7 kBtu/ft² source) across 66,288 sq ft, including 272,901 kWh of electricity and 38,087 therms of natural gas.
What are Longfellow Apartments's carbon emissions?
Longfellow Apartments reported 313 tCO₂e of greenhouse-gas emissions (4.7 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:PM10288675:2024.