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

Building Energy Use 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

Building Energy Use 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 owning organisation shown. Names of private individuals in the disclosure are not published here.

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.

Working with Chicago building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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