BuildingCensus
B

1500 K Street - The Southern Railway Building

Office in Washington, DC, DC · 1500 K Street NW · 20005

ENERGY STAR score
77
band B · 2024
Site EUI
47.8
kBtu/ft²
GHG emissions
1,177
tCO₂e
GHG intensity
4.2
kgCO₂e/ft²
Floor area
280,633
sq ft
Year built
1929
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Clean and Affordable Energy Act / BEPS · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score77 (band B)
Site EUI47.8 kBtu/ft²
Source EUI133.8 kBtu/ft²
GHG emissions1,177 tCO₂e
GHG intensity4.2 kgCO₂e/ft²
Electricity3,931,618 kWh
Natural gas0 therms
Water use5,116 kgal
Gross floor area280,633 sq ft
Source recorddc:PM1401399:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest77+147.8 kBtu/ft²1,177 tCO₂e
202376+247.6 kBtu/ft²1,201 tCO₂e
202274-247.6 kBtu/ft²1,200 tCO₂e
202176±044.7 kBtu/ft²1,127 tCO₂e
202076+844.2 kBtu/ft²1,080 tCO₂e
201968+954.3 kBtu/ft²1,416 tCO₂e
201859-2258.3 kBtu/ft²1,565 tCO₂e
201781+553.6 kBtu/ft²1,705 tCO₂e
201676+1674.0 kBtu/ft²2,488 tCO₂e
201560+291.1 kBtu/ft²3,576 tCO₂e
201458-493.2 kBtu/ft²3,660 tCO₂e
201362±088.0 kBtu/ft²3,268 tCO₂e
20126287.6 kBtu/ft²3,253 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.

Program details →

Ownership

1500 K STREET LLC

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Location

Address
1500 K Street NW
State
District of Columbia
ZIP
20005
Coordinates
38.90190, -77.03481

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Washington, DC · biggest emitters

Frequently asked questions

What is 1500 K Street - The Southern Railway Building's energy grade?

1500 K Street - The Southern Railway Building scores 77 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 1500 K Street - The Southern Railway Building use?

Its 2024 site energy-use intensity was 47.8 kBtu/ft² (133.8 kBtu/ft² source) across 280,633 sq ft, including 3,931,618 kWh of electricity and 0 therms of natural gas.

What are 1500 K Street - The Southern Railway Building's carbon emissions?

1500 K Street - The Southern Railway Building reported 1,177 tCO₂e of greenhouse-gas emissions (4.2 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:PM1401399:2024.