641 W Lake St 
🏆

641 W Lake St, Chicago IL, 60661 Find on Google Maps (opens in a new tab)

Chicago Building ID: 252072

Attribution: © Google 2025

Building Info

Square Footage
167,089 sqft
Higher than 57% of all buildings
1.2x median
139,707 sqft
0.6x median Office
259,000 sqft
Built
1903
Primary Property Type
Office
Community Area
Near West Side
Ward
34
Owner
Not Tagged

2022 Report Card

Overall Grade
A
Emissions Intensity - 50%
A
Energy Mix - 40%
C
Consistent Reporting - 10%
A
Learn About Our Grading

Emissions & Energy Information for 2022

Greenhouse Gas Intensity A
201520221.44.21.44.2
1.4 kg CO2e / sqft
#13 Lowest in Chicago* 🏆
#4 Lowest of Offices 🏆
1/5 median
6.4 kg CO2e / sqft
1/5 median Office
6.9 kg CO2e / sqft
Total Greenhouse Gas Emissions
20152022233468232.8467.9
232.8 tons CO2e
#10 Lowest of Offices 🏆
Lower than 96% of all buildings
1/4 median
885.8 tons CO2e
1/8 median Office
1,832.2 tons CO2e

Years Reported 6/7
A Help icon

  • 2015 data reported

    2015

  • 2017 data reported

    2017

  • 2018 data reported

    2018

  • 2019 data not reported

    2019

  • 2020 data reported

    2020

  • 2021 data reported

    2021

  • 2022 data reported

    2022

Energy Breakdown

Fossil Gas Use (aka Natural Gas)
201520221,713,6762,234,4041,713,6762,234,404
2,085,925 kBtu
Est. Gas Bill: $25,000 for 2022**
Lower than 83% of all buildings
1/3 median
5,818,399.6 kBtu
0.8x median Office
2,672,800.1 kBtu
Electricity Use
20152022926,1111,978,868926,1111,978,868
926,111 kBtu
Est. Electric Bill: $39,000 for 2022**
#8 Lowest of Offices 🏆
Lower than 92% of all buildings
1/4 median
3,796,376.7 kBtu
1/11 median Office
10,340,763.6 kBtu

Energy Mix C

Total Energy Use: 3,012,038 kBTU

31%Electricity69%Fossil Gas
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View Extra Technical & Historic Info
Source Energy Usage Intensity
20152022297328.673.2
Not Reported

This data was not reported for this building this year, which likely means a value of zero for this field.

Site Energy Usage Intensity
Not Reported

This data was not reported for this building this year, which likely means a value of zero for this field.

Full Historical Data Table for 641 W Lake St

Year Overall
Grade 		Emissions
Intensity
Sub-Grade 		Energy Mix
Sub-Grade 		Reporting Mix
Sub-Grade 		GHG Intensity kg CO2e / sqft GHG Emissions metric tons CO2eEnergy MixElectricity Use kBTUFossil Gas Use kBTU District
Steam Use kBTU		 District Chilled
Water Use kBTU		Source EUI kBTU / sqft Floor Area sqft Chicago Energy
Rating 		Energy Star
Score
2015 B A C A 4.2454
48%Electricity
52%Fossil Gas
0%Other
1,757,1291,905,621 - - 69.1 108,739 - 100.0
2017 A A B A 4.2467.9
51%Electricity
49%Fossil Gas
0%Other
1,978,8681,920,031 - - 73.2 112,458 - 99.0
2018 A A B A 3.8430.3
46%Electricity
54%Fossil Gas
0%Other
1,872,9152,234,404 - - 67.5 112,458 4.0 96.0
2019--- - - - 0.0 -
2020 A A B A 2.7302.7
44%Electricity
56%Fossil Gas
0%Other
1,356,4611,713,677 - - 49.8 112,458 4.0 99.0
2021 A A C A 2.4255.3
34%Electricity
66%Fossil Gas
0%Other
1,044,8421,997,783 - - 47.4 105,883 4.0 99.0
2022 A A C A 1.4232.8
31%Electricity
69%Fossil Gas
0%Other
926,1122,085,926 - - 28.6 167,089 4.0 -

* Note on Rankings: Rankings and medians are among included buildings, which are those who reported under the Chicago Energy Benchmarking Ordinance for the year 2022, which only applies to buildings over 50,000 square feet.

** Note on Bill Estimates: Estimates for gas and electric bills are based on average electric and gas retail prices for Chicago in 2021 and are rounded. We expect large buildings would negotiate lower rates with utilities, but these estimates serve as an upper bound of cost and help understand the volume of energy a building is used by comparing it to your own energy bills! See our Chicago Gas & Electric Costs Source (opens in a new tab) for the original statistics.

Data Source: Chicago Energy Benchmarking Data (opens in a new tab)

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