BuildingCensus
A

Old Post Office

Office in Chicago, IL · 433 West Harrison Street · 60607

ENERGY STAR score
88
band A · 2023
Site EUI
70.7
kBtu/ft²
GHG emissions
15,036
tCO₂e
GHG intensity
6.0
kgCO₂e/ft²
Floor area
2,493,160
sq ft
Year built
2018
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 score88 (band A)
Site EUI70.7 kBtu/ft²
Source EUI116.9 kBtu/ft²
GHG emissions15,036 tCO₂e
GHG intensity6.0 kgCO₂e/ft²
Electricity19,246,610 kWh
Natural gas506,787 therms
Water use6,131 kgal
Gross floor area2,493,160 sq ft
Source recordchicago:103689:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest88+1970.7 kBtu/ft²15,036 tCO₂e
202269-1374.2 kBtu/ft²14,703 tCO₂e
20218262.0 kBtu/ft²12,038 tCO₂e
2020
2019
2018

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
433 West Harrison Street
State
Illinois
ZIP
60607
Coordinates
41.90586, -87.62889

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Chicago · biggest emitters

Frequently asked questions

What is Old Post Office's energy grade?

Old Post Office scores 88 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 Old Post Office use?

Its 2023 site energy-use intensity was 70.7 kBtu/ft² (116.9 kBtu/ft² source) across 2,493,160 sq ft, including 19,246,610 kWh of electricity and 506,787 therms of natural gas.

What are Old Post Office's carbon emissions?

Old Post Office reported 15,036 tCO₂e of greenhouse-gas emissions (6.0 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:103689:2023.