BuildingCensus
C

20 South Clark

Office in Chicago, IL · 20 S Clark St · 60602

ENERGY STAR score
66
band C · 2023
Site EUI
49.3
kBtu/ft²
GHG emissions
3,207
tCO₂e
GHG intensity
6.9
kgCO₂e/ft²
Floor area
464,592
sq ft
Year built
1970
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Chicago Energy Benchmarking Ordinance · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score66 (band C)
Site EUI49.3 kBtu/ft²
Source EUI138.1 kBtu/ft²
GHG emissions3,207 tCO₂e
GHG intensity6.9 kgCO₂e/ft²
Electricity6,716,764 kWh
Water use2,695 kgal
Gross floor area464,592 sq ft
Source recordchicago:101987:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest66+849.3 kBtu/ft²3,207 tCO₂e
202258±056.7 kBtu/ft²3,467 tCO₂e
202158±055.2 kBtu/ft²3,662 tCO₂e
202058-652.8 kBtu/ft²3,830 tCO₂e
201964+1756.8 kBtu/ft²
201847-2763.8 kBtu/ft²4,933 tCO₂e
201774-460.0 kBtu/ft²5,150 tCO₂e
201678±057.9 kBtu/ft²4,960 tCO₂e
201578+860.7 kBtu/ft²5,662 tCO₂e
20147068.0 kBtu/ft²6,343 tCO₂e

Compliance context

Chicago Energy Benchmarking Ordinance

Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.

Program details →

Ownership

No owner listed in the disclosure.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
20 S Clark St
State
Illinois
ZIP
60602
Coordinates
41.87579, -87.62671

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is 20 South Clark's energy grade?

20 South Clark scores 66 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 20 South Clark use?

Its 2023 site energy-use intensity was 49.3 kBtu/ft² (138.1 kBtu/ft² source) across 464,592 sq ft, including 6,716,764 kWh of electricity.

What are 20 South Clark's carbon emissions?

20 South Clark reported 3,207 tCO₂e of greenhouse-gas emissions (6.9 kgCO₂e/ft²) for 2023. Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.

Dataset updated . Source: Chicago Energy Benchmarking disclosure, record chicago:101987:2023.