955 L'Enfant Plaza (L'Enfant Plaza - North)
Office in Washington, DC, DC · 955 L'Enfant Plaza, SW · 20024
At a glance
955 L'Enfant Plaza (L'Enfant Plaza - North) is a 332,113-square-foot office building at 955 L'Enfant Plaza, SW in Washington, DC, built in 1968. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 60 out of 100 (grade C), a site energy-use intensity of 58.9 kBtu/ft² and 1,568 tCO₂e of greenhouse-gas emissions. That score is higher than 24% of the 774 scored office buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 60 (band C) |
| Site EUI | 58.9 kBtu/ft² |
| Source EUI | 142.4 kBtu/ft² |
| GHG emissions | 1,568 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 4,482,974 kWh |
| Natural gas | 42,553 therms |
| Water use | 7,320 kgal |
| Gross floor area | 332,113 sq ft |
| Source record | dc:PM3353545:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 60 | -7 | 58.9 kBtu/ft² | 1,568 tCO₂e |
| 2023 | 67 | +23 | 54.1 kBtu/ft² | 1,428 tCO₂e |
| 2022 | 44 | +7 | 81.4 kBtu/ft² | 2,096 tCO₂e |
| 2021 | 37 | -12 | 84.8 kBtu/ft² | 2,262 tCO₂e |
| 2020 | 49 | -1 | 82.4 kBtu/ft² | 2,142 tCO₂e |
| 2019 | 50 | +2 | 89.2 kBtu/ft² | 2,437 tCO₂e |
| 2018 | 48 | -14 | 96.4 kBtu/ft² | 2,622 tCO₂e |
| 2017 | 62 | +10 | 99.6 kBtu/ft² | 3,065 tCO₂e |
| 2016 | 52 | -5 | 105.8 kBtu/ft² | 3,294 tCO₂e |
| 2015 | 57 | -9 | 99.3 kBtu/ft² | 3,652 tCO₂e |
| 2014 | 66 | -9 | 85.7 kBtu/ft² | 3,792 tCO₂e |
| 2013 | 75 | -2 | 76.2 kBtu/ft² | 3,112 tCO₂e |
| 2012 | 77 | 79.0 kBtu/ft² | 3,725 tCO₂e |
Compliance context
Clean and Affordable Energy Act / BEPS
DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
Ownership
STONELEX C LLC
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Location
- Address
- 955 L'Enfant Plaza, SW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20024
- Coordinates
- 38.88443, -77.02477
Within ~1 km
Nearby benchmarked buildings
- Constitution Centerscore 83
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- Portals IIscore 86
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- Waterside Towers and Townhomesscore 81
Multifamily Housing · 674,080 sq ft
- The Channel (lh71)score —
Multifamily Housing · 603,003 sq ft
- Capital Galleryscore 74
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- 670 Mainescore 69
Office · 571,109 sq ft
See also: most efficient in Washington, DC · biggest emitters
How does 955 L'Enfant Plaza (L'Enfant Plaza - North) compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. 955 L'Enfant Plaza (L'Enfant Plaza - North)'s ENERGY STAR score of 60 compares with an average of 70 across the 774 that report a score; it scores higher than 24% of them and lower than 76%. Its site EUI of 58.9 kBtu/ft² is roughly in line with the average of 55.6 kBtu/ft². Its emissions intensity of 4.7 kgCO₂e/ft² is roughly in line with the group average of 5.0 kgCO₂e/ft².
At 332,113 sq ft, it is about 54% above the average floor area of 216,135 sq ft for those buildings. It was built in 1968, 6 years earlier than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 955 L'Enfant Plaza (L'Enfant Plaza - North)'s energy performance changed over time?
BuildingCensus holds 13 Washington, DC disclosures for 955 L'Enfant Plaza (L'Enfant Plaza - North), covering report years 2012–2024. Its ENERGY STAR score went from 77 in 2012 to 60 in 2024 (-17 points); its best year on file was 2012, at 77. Site EUI moved from 79.0 kBtu/ft² (2012) to 58.9 kBtu/ft² (2024), a 25% decrease. Reported emissions went from 3,725 tCO₂e to 1,568 tCO₂e over the same span (down 58%).
What does an ENERGY STAR score of 60 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 60 means the building performs better than about 60% of its national peers. BuildingCensus bands the score into report-card grades; 60 falls in band C — below median (55–69). It sits 15 points below 75, the threshold for ENERGY STAR certification. In Washington, DC, 47% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 955 L'Enfant Plaza (L'Enfant Plaza - North)'s 58.9 kBtu/ft² across 332,113 sq ft works out to about 19.6 billion Btu (5,733 MWh-equivalent) in 2024. Its source EUI of 142.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,482,974 kWh of electricity, 42,553 therms of natural gas and 7,320 thousand gallons of water for the year.
Which law requires 955 L'Enfant Plaza (L'Enfant Plaza - North) to report its energy use?
955 L'Enfant Plaza (L'Enfant Plaza - North) reports under the Clean and Affordable Energy Act / BEPS, the legal basis of Washington, DC's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record dc:PM3353545:2024). DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
More office buildings in Washington, DC
- 950 L'Enfant Plaza - Washington· 328,940 sq ft · score 86 (A)
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- 2445 M Street· 325,715 sq ft · score 86 (A)
- 1333 New Hampshire Ave.· 325,215 sq ft · score 62 (C)
- 1919 Penn Ave· 322,175 sq ft · score 71 (B)
- Office buildings in Washington, DC· 899 benchmarked
- All Washington, DC benchmarked buildings· Clean and Affordable Energy Act / BEPS
- Most efficient large buildings in Washington, DC
- Least efficient large buildings in Washington, DC
- Biggest emitters in Washington, DC
Frequently asked questions
What is 955 L'Enfant Plaza (L'Enfant Plaza - North)'s energy grade?
955 L'Enfant Plaza (L'Enfant Plaza - North) scores 60 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 955 L'Enfant Plaza (L'Enfant Plaza - North) use?
Its 2024 site energy-use intensity was 58.9 kBtu/ft² (142.4 kBtu/ft² source) across 332,113 sq ft, including 4,482,974 kWh of electricity and 42,553 therms of natural gas.
What are 955 L'Enfant Plaza (L'Enfant Plaza - North)'s carbon emissions?
955 L'Enfant Plaza (L'Enfant Plaza - North) reported 1,568 tCO₂e of greenhouse-gas emissions (4.7 kgCO₂e/ft²) for 2024.
Where is 955 L'Enfant Plaza (L'Enfant Plaza - North)?
955 L'Enfant Plaza (L'Enfant Plaza - North) is at 955 L'Enfant Plaza, SW, in Washington, DC 20024. Its coordinates are 38.88443, -77.02477 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 955 L'Enfant Plaza (L'Enfant Plaza - North) and when was it built?
955 L'Enfant Plaza (L'Enfant Plaza - North) has 332,113 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1968 as its year built. It is classed as office.
Is 955 L'Enfant Plaza (L'Enfant Plaza - North) covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2024 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Clean and Affordable Energy Act / BEPS.
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About this data
Source: Building Energy Benchmarking (Clean and Affordable Energy Act / BEPS), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “955 L'Enfant Plaza (L'Enfant Plaza - North), Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/955-l-enfant-plaza-l-enfant-plaza-north-60daf4bc (data as of July 9, 2026).