At a glance
Chicago Marriott Downtown Magnificent Mile is a 949,542-square-foot hotel at 540 North Michigan Avenue in Chicago, Illinois, built in 1990. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 61 out of 100 (grade C), a site energy-use intensity of 99.4 kBtu/ft² and 8,518 tCO₂e of greenhouse-gas emissions. That score is higher than 60% of the 77 scored hotel buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 61 (band C) |
| Site EUI | 99.4 kBtu/ft² |
| Source EUI | 178.8 kBtu/ft² |
| GHG emissions | 8,518 tCO₂e |
| GHG intensity | 9.0 kgCO₂e/ft² |
| Electricity | 11,837,542 kWh |
| Natural gas | 539,708 therms |
| Gross floor area | 949,542 sq ft |
| Source record | chicago:158526:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 61 | +3 | 99.4 kBtu/ft² | 8,518 tCO₂e |
| 2022 | 58 | -20 | 108.4 kBtu/ft² | 8,723 tCO₂e |
| 2021 | 78 | -7 | 85.8 kBtu/ft² | 7,460 tCO₂e |
| 2020 | 85 | +29 | 82.1 kBtu/ft² | 7,049 tCO₂e |
| 2019 | 56 | +5 | 108.1 kBtu/ft² | 10,154 tCO₂e |
| 2018 | 51 | +5 | 113.6 kBtu/ft² | 10,779 tCO₂e |
| 2017 | 46 | +7 | 108.8 kBtu/ft² | 11,700 tCO₂e |
| 2016 | 39 | -5 | 116.9 kBtu/ft² | 12,723 tCO₂e |
| 2015 | 44 | 118.2 kBtu/ft² | 13,115 tCO₂e |
Compliance context
Building Energy Use 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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 540 North Michigan Avenue
- City
- Chicago
- State
- Illinois
- ZIP
- 60611
- Coordinates
- 41.91397, -87.64635
Within ~1 km
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How does Chicago Marriott Downtown Magnificent Mile compare with other hotel buildings in Chicago?
The latest disclosures cover 88 hotel buildings in Chicago, out of 3,852 buildings citywide. Chicago Marriott Downtown Magnificent Mile's ENERGY STAR score of 61 compares with an average of 51 across the 77 that report a score; it scores higher than 60% of them and lower than 38%. Its site EUI of 99.4 kBtu/ft² is roughly in line with the average of 110.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 9.0 kgCO₂e/ft² is about 11% below the group average of 10.1 kgCO₂e/ft².
At 949,542 sq ft, it is about 176% above the average floor area of 343,808 sq ft for those buildings. It was built in 1990, 11 years later than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².
How has Chicago Marriott Downtown Magnificent Mile's energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for Chicago Marriott Downtown Magnificent Mile, covering report years 2015–2023. Its ENERGY STAR score went from 44 in 2015 to 61 in 2023 (+17 points); its best year on file was 2020, at 85. Site EUI moved from 118.2 kBtu/ft² (2015) to 99.4 kBtu/ft² (2023), a 16% decrease. Reported emissions went from 13,115 tCO₂e to 8,518 tCO₂e over the same span (down 35%).
What does an ENERGY STAR score of 61 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 61 means the building performs better than about 61% of its national peers. BuildingCensus bands the score into report-card grades; 61 falls in band C — below median (55–69). It sits 14 points below 75, the threshold for ENERGY STAR certification. In Chicago, 35% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Chicago Marriott Downtown Magnificent Mile's 99.4 kBtu/ft² across 949,542 sq ft works out to about 94.4 billion Btu (27,661 MWh-equivalent) in 2023. Its source EUI of 178.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 11,837,542 kWh of electricity and 539,708 therms of natural gas for the year.
Which law requires Chicago Marriott Downtown Magnificent Mile to report its energy use?
Chicago Marriott Downtown Magnificent Mile reports under the Building Energy Use Benchmarking Ordinance, the legal basis of the Chicago Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record chicago:158526:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More hotel buildings in Chicago
- The Godfrey Hotel Chicago· 750,000 sq ft
- InterContinental· 715,161 sq ft · score 61 (C)
- Chicago Swissotel· 712,669 sq ft · score 69 (C)
- Fairmont Chicago, Millennium Park· 700,000 sq ft · score 30 (D)
- The Drake, IL-SV· 644,940 sq ft · score 38 (D)
- congress plaza hotel· 600,700 sq ft · score 76 (B)
- Hotel buildings in Chicago· 88 benchmarked
- All Chicago benchmarked buildings· Building Energy Use Benchmarking Ordinance
- Most efficient large buildings in Chicago
- Least efficient large buildings in Chicago
- Biggest emitters in Chicago
Frequently asked questions
What is Chicago Marriott Downtown Magnificent Mile's energy grade?
Chicago Marriott Downtown Magnificent Mile scores 61 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Chicago Marriott Downtown Magnificent Mile use?
Its 2023 site energy-use intensity was 99.4 kBtu/ft² (178.8 kBtu/ft² source) across 949,542 sq ft, including 11,837,542 kWh of electricity and 539,708 therms of natural gas.
What are Chicago Marriott Downtown Magnificent Mile's carbon emissions?
Chicago Marriott Downtown Magnificent Mile reported 8,518 tCO₂e of greenhouse-gas emissions (9.0 kgCO₂e/ft²) for 2023.
Where is Chicago Marriott Downtown Magnificent Mile?
Chicago Marriott Downtown Magnificent Mile is at 540 North Michigan Avenue, in Chicago, Illinois 60611. Its coordinates are 41.91397, -87.64635 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is Chicago Marriott Downtown Magnificent Mile and when was it built?
Chicago Marriott Downtown Magnificent Mile has 949,542 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1990 as its year built. It is classed as hotel.
Is Chicago Marriott Downtown Magnificent Mile covered by the Building Energy Use Benchmarking Ordinance?
Yes — it appears in the 2023 Chicago Energy Benchmarking disclosure, which lists the buildings reporting under the Building Energy Use Benchmarking Ordinance.
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About this data
Source: Chicago Energy Benchmarking (Building Energy Use Benchmarking Ordinance), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Chicago Marriott Downtown Magnificent Mile, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/chicago-marriott-downtown-magnificent-mile-046057b3 (data as of October 2, 2026).