BuildingCensus
B

One South Wacker

Office in Chicago, IL · 1 S. Wacker · 60606

ENERGY STAR score
82
band B · 2023
Site EUI
38.9
kBtu/ft²
GHG emissions
7,554
tCO₂e
GHG intensity
5.4
kgCO₂e/ft²
Floor area
1,387,952
sq ft
Year built
1982
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 score82 (band B)
Site EUI38.9 kBtu/ft²
Source EUI108.9 kBtu/ft²
GHG emissions7,554 tCO₂e
GHG intensity5.4 kgCO₂e/ft²
Electricity15,822,132 kWh
Gross floor area1,387,952 sq ft
Source recordchicago:101748:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest82+438.9 kBtu/ft²7,554 tCO₂e
202278+442.2 kBtu/ft²7,462 tCO₂e
202174-740.6 kBtu/ft²7,795 tCO₂e
202081+141.6 kBtu/ft²8,730 tCO₂e
201980+549.1 kBtu/ft²
201875-1351.0 kBtu/ft²11,209 tCO₂e
201788-251.3 kBtu/ft²12,496 tCO₂e
201690+849.2 kBtu/ft²12,185 tCO₂e
20148258.0 kBtu/ft²15,584 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
1 S. Wacker
State
Illinois
ZIP
60606
Coordinates
41.89034, -87.76324

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is One South Wacker's energy grade?

One South Wacker scores 82 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 One South Wacker use?

Its 2023 site energy-use intensity was 38.9 kBtu/ft² (108.9 kBtu/ft² source) across 1,387,952 sq ft, including 15,822,132 kWh of electricity.

What are One South Wacker's carbon emissions?

One South Wacker reported 7,554 tCO₂e of greenhouse-gas emissions (5.4 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:101748:2023.