BuildingCensus
B

Aon Center

Office in Chicago, IL · 200 E. Randolph Street · 60601

ENERGY STAR score
79
band B · 2023
Site EUI
67.4
kBtu/ft²
GHG emissions
18,914
tCO₂e
GHG intensity
5.9
kgCO₂e/ft²
Floor area
3,193,966
sq ft
Year built
1972
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 score79 (band B)
Site EUI67.4 kBtu/ft²
Source EUI115.5 kBtu/ft²
GHG emissions18,914 tCO₂e
GHG intensity5.9 kgCO₂e/ft²
Electricity25,336,775 kWh
Natural gas686,826 therms
Water use18,371 kgal
Gross floor area3,193,966 sq ft
Source recordchicago:101713:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest79+267.4 kBtu/ft²18,914 tCO₂e
202277±073.1 kBtu/ft²19,331 tCO₂e
202177-469.8 kBtu/ft²19,200 tCO₂e
202081+568.6 kBtu/ft²20,741 tCO₂e
201976+692.6 kBtu/ft²
201870-1593.8 kBtu/ft²29,059 tCO₂e
201785-789.9 kBtu/ft²31,058 tCO₂e
201692+1085.6 kBtu/ft²26,073 tCO₂e
201582-295.4 kBtu/ft²34,518 tCO₂e
20148498.0 kBtu/ft²33,948 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
200 E. Randolph Street
State
Illinois
ZIP
60601
Coordinates
41.89506, -87.65379

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is Aon Center's energy grade?

Aon Center scores 79 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Aon Center use?

Its 2023 site energy-use intensity was 67.4 kBtu/ft² (115.5 kBtu/ft² source) across 3,193,966 sq ft, including 25,336,775 kWh of electricity and 686,826 therms of natural gas.

What are Aon Center's carbon emissions?

Aon Center reported 18,914 tCO₂e of greenhouse-gas emissions (5.9 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:101713:2023.