BuildingCensus
B

1100 G Street

Office in Washington, DC, DC · 666 11th Street NW · 20001

ENERGY STAR score
75
band B · 2024
Site EUI
53.7
kBtu/ft²
GHG emissions
490
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
118,265
sq ft
Year built
1968
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 score75 (band B)
Site EUI53.7 kBtu/ft²
Source EUI121.5 kBtu/ft²
GHG emissions490 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity1,290,667 kWh
Natural gas19,448 therms
Water use1,546 kgal
Gross floor area118,265 sq ft
Source recorddc:PM2681003:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest75+553.7 kBtu/ft²490 tCO₂e
202370-949.1 kBtu/ft²452 tCO₂e
202279+1548.0 kBtu/ft²432 tCO₂e
202164-1253.8 kBtu/ft²467 tCO₂e
202076+347.2 kBtu/ft²437 tCO₂e
201973+566.4 kBtu/ft²626 tCO₂e
201868-1574.5 kBtu/ft²689 tCO₂e
201783-166.1 kBtu/ft²699 tCO₂e
201684±069.3 kBtu/ft²729 tCO₂e
20158469.9 kBtu/ft²828 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

1100G HOLDINGS LLC

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Location

Address
666 11th Street NW
State
District of Columbia
ZIP
20001
Coordinates
38.89806, -77.02734

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 1100 G Street's energy grade?

1100 G Street scores 75 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 1100 G Street use?

Its 2024 site energy-use intensity was 53.7 kBtu/ft² (121.5 kBtu/ft² source) across 118,265 sq ft, including 1,290,667 kWh of electricity and 19,448 therms of natural gas.

What are 1100 G Street's carbon emissions?

1100 G Street reported 490 tCO₂e of greenhouse-gas emissions (4.1 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:PM2681003:2024.