BuildingCensus
B

121 West Wacker Drive AKA 221 N La Salle Street

Office in Chicago, IL · 121 West Wacker Drive · 60601

ENERGY STAR score
72
band B · 2023
Site EUI
76.3
kBtu/ft²
GHG emissions
2,808
tCO₂e
GHG intensity
6.7
kgCO₂e/ft²
Floor area
417,599
sq ft
Year built
1930
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 score72 (band B)
Site EUI76.3 kBtu/ft²
Source EUI134.0 kBtu/ft²
GHG emissions2,808 tCO₂e
GHG intensity6.7 kgCO₂e/ft²
Electricity3,763,312 kWh
Natural gas190,360 therms
Gross floor area417,599 sq ft
Source recordchicago:103639:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest72±076.3 kBtu/ft²2,808 tCO₂e
202272+4387.4 kBtu/ft²2,983 tCO₂e
202129-48179.2 kBtu/ft²6,070 tCO₂e
202077-365.0 kBtu/ft²3,178 tCO₂e
20198072.4 kBtu/ft²3,804 tCO₂e
2018
201792+967.7 kBtu/ft²4,040 tCO₂e
201683±095.3 kBtu/ft²4,907 tCO₂e
201583+294.7 kBtu/ft²5,222 tCO₂e
201481107.0 kBtu/ft²5,562 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.

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Location

Address
121 West Wacker Drive
State
Illinois
ZIP
60601
Coordinates
41.79675, -87.72341

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is 121 West Wacker Drive AKA 221 N La Salle Street's energy grade?

121 West Wacker Drive AKA 221 N La Salle Street scores 72 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 121 West Wacker Drive AKA 221 N La Salle Street use?

Its 2023 site energy-use intensity was 76.3 kBtu/ft² (134.0 kBtu/ft² source) across 417,599 sq ft, including 3,763,312 kWh of electricity and 190,360 therms of natural gas.

What are 121 West Wacker Drive AKA 221 N La Salle Street's carbon emissions?

121 West Wacker Drive AKA 221 N La Salle Street reported 2,808 tCO₂e of greenhouse-gas emissions (6.7 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:103639:2023.