BuildingCensus
A

303 E. Wacker

Office in Chicago, IL · 60601

ENERGY STAR score
87
band A · 2023
Site EUI
64.1
kBtu/ft²
GHG emissions
9,118
tCO₂e
GHG intensity
9.0
kgCO₂e/ft²
Floor area
1,017,581
sq ft
Year built
1979
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 score87 (band A)
Site EUI64.1 kBtu/ft²
Source EUI179.3 kBtu/ft²
GHG emissions9,118 tCO₂e
GHG intensity9.0 kgCO₂e/ft²
Electricity19,092,129 kWh
Natural gas523 therms
Water use7,028 kgal
Gross floor area1,017,581 sq ft
Source recordchicago:101797:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest87±064.1 kBtu/ft²9,118 tCO₂e
202287+164.1 kBtu/ft²8,584 tCO₂e
202186-159.3 kBtu/ft²8,594 tCO₂e
202087+359.3 kBtu/ft²9,381 tCO₂e
201984-1066.9 kBtu/ft²
201894-147.7 kBtu/ft²9,070 tCO₂e
201795±060.3 kBtu/ft²11,294 tCO₂e
201695+161.0 kBtu/ft²11,392 tCO₂e
201594+460.4 kBtu/ft²12,296 tCO₂e
20149065.0 kBtu/ft²13,136 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
303 E. Wacker
State
Illinois
ZIP
60601
Coordinates
42.00179, -87.67303

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is 303 E. Wacker's energy grade?

303 E. Wacker scores 87 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 303 E. Wacker use?

Its 2023 site energy-use intensity was 64.1 kBtu/ft² (179.3 kBtu/ft² source) across 1,017,581 sq ft, including 19,092,129 kWh of electricity and 523 therms of natural gas.

What are 303 E. Wacker's carbon emissions?

303 E. Wacker reported 9,118 tCO₂e of greenhouse-gas emissions (9.0 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:101797:2023.