At a glance
Courtyard Chicago Downtown Mag Mile is a 286,929-square-foot hotel at 165 E Ontario St in Chicago, Illinois, built in 2003. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 81 out of 100 (grade B), a site energy-use intensity of 98.4 kBtu/ft² and 2,123 tCO₂e of greenhouse-gas emissions. That score is higher than 83% of the 77 scored hotel buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 81 (band B) |
| Site EUI | 98.4 kBtu/ft² |
| Source EUI | 147.1 kBtu/ft² |
| GHG emissions | 2,123 tCO₂e |
| GHG intensity | 7.4 kgCO₂e/ft² |
| Electricity | 2,103,427 kWh |
| Natural gas | 210,536 therms |
| Water use | 8,561 kgal |
| Gross floor area | 286,929 sq ft |
| Source record | chicago:158387:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 81 | +6 | 98.4 kBtu/ft² | 2,123 tCO₂e |
| 2022 | 75 | -7 | 101.6 kBtu/ft² | 2,126 tCO₂e |
| 2021 | 82 | -10 | 89.1 kBtu/ft² | 2,000 tCO₂e |
| 2020 | 92 | +28 | 77.9 kBtu/ft² | 1,772 tCO₂e |
| 2019 | 64 | +7 | 111.8 kBtu/ft² | — |
| 2018 | 57 | -20 | 119.0 kBtu/ft² | 2,911 tCO₂e |
| 2017 | 77 | -2 | 71.0 kBtu/ft² | 2,391 tCO₂e |
| 2016 | 79 | +31 | 69.3 kBtu/ft² | 2,411 tCO₂e |
| 2015 | 48 | 118.4 kBtu/ft² | 3,321 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
- 165 E Ontario St
- City
- Chicago
- State
- Illinois
- ZIP
- 60611
- Coordinates
- 41.94229, -87.65767
Within ~1 km
Nearby benchmarked buildings
- The Art Institute of Chicagoscore —
Museum · 1,008,416 sq ft
- 10 South Riverside Plazascore 88
Office · 786,938 sq ft
- AG 300 South Wacker Owner LLCscore 83
Office · 598,410 sq ft
Multifamily Housing · 528,647 sq ft
Multifamily Housing · 506,142 sq ft
Residence Hall/Dormitory · 338,679 sq ft
See also: most efficient in Chicago · biggest emitters
How does Courtyard Chicago Downtown Mag Mile compare with other hotel buildings in Chicago?
The latest disclosures cover 88 hotel buildings in Chicago, out of 3,852 buildings citywide. Courtyard Chicago Downtown Mag Mile's ENERGY STAR score of 81 compares with an average of 51 across the 77 that report a score; it scores higher than 83% of them and lower than 14%. Its site EUI of 98.4 kBtu/ft² is about 11% below 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 7.4 kgCO₂e/ft² is about 27% below the group average of 10.1 kgCO₂e/ft².
At 286,929 sq ft, it is about 17% below the average floor area of 343,808 sq ft for those buildings. It was built in 2003, 24 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 Courtyard Chicago Downtown Mag Mile's energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for Courtyard Chicago Downtown Mag Mile, covering report years 2015–2023. Its ENERGY STAR score went from 48 in 2015 to 81 in 2023 (+33 points); its best year on file was 2020, at 92. Site EUI moved from 118.4 kBtu/ft² (2015) to 98.4 kBtu/ft² (2023), a 17% decrease. Reported emissions went from 3,321 tCO₂e to 2,123 tCO₂e over the same span (down 36%).
What does an ENERGY STAR score of 81 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 81 means the building performs better than about 81% of its national peers. BuildingCensus bands the score into report-card grades; 81 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Courtyard Chicago Downtown Mag Mile's 98.4 kBtu/ft² across 286,929 sq ft works out to about 28.2 billion Btu (8,275 MWh-equivalent) in 2023. Its source EUI of 147.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,103,427 kWh of electricity, 210,536 therms of natural gas and 8,561 thousand gallons of water for the year.
Which law requires Courtyard Chicago Downtown Mag Mile to report its energy use?
Courtyard Chicago Downtown Mag 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:158387:2023). 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
- Chicago DT River North IL ES· 285,516 sq ft · score 70 (B)
- W CHICAGO - CITY CENTER· 243,373 sq ft · score 13 (D)
- The Kimpton Gray Hotel· 239,678 sq ft · score 74 (B)
- Hotel Chicago· 222,154 sq ft · score 95 (A)
- 311GE-CHIWB-Downtown· 202,602 sq ft · score 28 (D)
- SABLE AT NAVY PIER CURIO COLLECTION· 201,124 sq ft · score 67 (C)
- 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 Courtyard Chicago Downtown Mag Mile's energy grade?
Courtyard Chicago Downtown Mag Mile scores 81 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 Courtyard Chicago Downtown Mag Mile use?
Its 2023 site energy-use intensity was 98.4 kBtu/ft² (147.1 kBtu/ft² source) across 286,929 sq ft, including 2,103,427 kWh of electricity and 210,536 therms of natural gas.
What are Courtyard Chicago Downtown Mag Mile's carbon emissions?
Courtyard Chicago Downtown Mag Mile reported 2,123 tCO₂e of greenhouse-gas emissions (7.4 kgCO₂e/ft²) for 2023.
Where is Courtyard Chicago Downtown Mag Mile?
Courtyard Chicago Downtown Mag Mile is at 165 E Ontario St, in Chicago, Illinois 60611. Its coordinates are 41.94229, -87.65767 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is Courtyard Chicago Downtown Mag Mile and when was it built?
Courtyard Chicago Downtown Mag Mile has 286,929 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2003 as its year built. It is classed as hotel.
Is Courtyard Chicago Downtown Mag 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, “Courtyard Chicago Downtown Mag Mile, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/courtyard-chicago-downtown-mag-mile-f021160c (data as of October 2, 2026).