Carnegie Library
Retail Store in Washington, DC, DC · 801 K street NW · 20001
At a glance
Carnegie Library is a 39,940-square-foot retail store at 801 K street NW in Washington, DC, built in 1901.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 0 kWh |
| Natural gas | 0 therms |
| Gross floor area | 39,940 sq ft |
| Source record | dc:PM16272694:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | — | — | — | |
| 2022 | 11 | -7 | 119.7 kBtu/ft² | 345 tCO₂e |
| 2021 | 18 | 101.7 kBtu/ft² | 305 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | — | — | — |
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
2000 14TH ST NW 8TH FLOOR
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 801 K street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20001
- Coordinates
- 38.90272, -77.02290
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Washington, DC · biggest emitters
How does Carnegie Library compare with other retail store buildings in Washington, DC?
The latest disclosures cover 25 retail store buildings in Washington, DC, out of 6,870 buildings citywide.
At 39,940 sq ft, it is about 58% below the average floor area of 95,255 sq ft for those buildings. It was built in 1901, 59 years earlier than the group's average year built (1960). Across all 24 jurisdictions BuildingCensus covers, the 3,025 retail store buildings average an ENERGY STAR score of 73 and a site EUI of 57.7 kBtu/ft².
How has Carnegie Library's energy performance changed over time?
BuildingCensus holds 6 Washington, DC disclosures for Carnegie Library, covering report years 2019–2024. Its ENERGY STAR score went from 18 in 2021 to 11 in 2022 (-7 points); its best year on file was 2021, at 18. Site EUI moved from 101.7 kBtu/ft² (2021) to 119.7 kBtu/ft² (2022), an 18% increase. Reported emissions went from 305 tCO₂e to 345 tCO₂e over the same span (up 13%).
Which law requires Carnegie Library to report its energy use?
Carnegie Library 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:PM16272694:2024). 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 retail store buildings in Washington, DC
- Penn Quarter Retail Stores· 38,169 sq ft
- 125 - Washington DC Store· 36,586 sq ft · score 88 (A)
- WS Jenks & Son - 910 Bladensburg Road NE· 30,760 sq ft · score 59 (C)
- Dance Loft· 30,731 sq ft · EUI 23.5 kBtu/ft²
- Avondale Shops· 28,757 sq ft
- Pleasant Pops, LLC· 714 sq ft · EUI 177.8 kBtu/ft²
- Retail Store buildings in Washington, DC· 25 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 Carnegie Library's energy grade?
Carnegie Library did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does Carnegie Library use?
No energy-use intensity was reported for 2024.
What are Carnegie Library's carbon emissions?
No greenhouse-gas emissions figure was reported for 2024.
Where is Carnegie Library?
Carnegie Library is at 801 K street NW, in Washington, DC 20001. Its coordinates are 38.90272, -77.02290 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Carnegie Library and when was it built?
Carnegie Library has 39,940 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1901 as its year built. It is classed as retail store.
Is Carnegie Library 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, “Carnegie Library, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/carnegie-library-5e2a3747 (data as of July 9, 2026).