Ascension SMEMC St Mary Campus.
Hospital (General Medical & Surgical) in Chicago, IL · 2233 West Division St · 60622
At a glance
Ascension SMEMC St Mary Campus. is a 697,454-square-foot hospital (general medical & surgical) at 2233 West Division St in Chicago, Illinois, built in 1976. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 46 out of 100 (grade D), a site energy-use intensity of 250.4 kBtu/ft² and 15,204 tCO₂e of greenhouse-gas emissions. That score is higher than 29% of the 21 scored hospital (general medical & surgical) buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 250.4 kBtu/ft² |
| Source EUI | 434.3 kBtu/ft² |
| GHG emissions | 15,204 tCO₂e |
| GHG intensity | 21.8 kgCO₂e/ft² |
| Electricity | 20,013,548 kWh |
| Natural gas | 1,063,601 therms |
| Gross floor area | 697,454 sq ft |
| Source record | chicago:100433:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 46 | +3 | 250.4 kBtu/ft² | 15,204 tCO₂e |
| 2022 | 43 | -13 | 260.7 kBtu/ft² | 15,172 tCO₂e |
| 2021 | 56 | -2 | 233.5 kBtu/ft² | 14,768 tCO₂e |
| 2020 | 58 | +15 | 234.1 kBtu/ft² | 15,415 tCO₂e |
| 2019 | 43 | +3 | 253.8 kBtu/ft² | — |
| 2018 | 40 | -6 | 259.6 kBtu/ft² | 17,437 tCO₂e |
| 2017 | 46 | +2 | 244.5 kBtu/ft² | 17,992 tCO₂e |
| 2016 | 44 | -2 | 247.2 kBtu/ft² | 18,386 tCO₂e |
| 2015 | 46 | +8 | 242.1 kBtu/ft² | 19,078 tCO₂e |
| 2014 | 38 | 263.0 kBtu/ft² | 19,465 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 2233 West Division St
- City
- Chicago
- State
- Illinois
- ZIP
- 60622
- Coordinates
- 41.92500, -87.65859
Within ~1 km
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See also: most efficient in Chicago · biggest emitters
How does Ascension SMEMC St Mary Campus. compare with other hospital (general medical & surgical) buildings in Chicago?
The latest disclosures cover 25 hospital (general medical & surgical) buildings in Chicago, out of 3,852 buildings citywide. Ascension SMEMC St Mary Campus.'s ENERGY STAR score of 46 compares with an average of 56 across the 21 that report a score; it scores higher than 29% of them and lower than 62%. Its site EUI of 250.4 kBtu/ft² is roughly in line with the average of 229.9 kBtu/ft². Its emissions intensity of 21.8 kgCO₂e/ft² is roughly in line with the group average of 20.4 kgCO₂e/ft².
At 697,454 sq ft, it is about 24% below the average floor area of 920,964 sq ft for those buildings. It was built in 1976, 10 years later than the group's average year built (1967). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².
How has Ascension SMEMC St Mary Campus.'s energy performance changed over time?
BuildingCensus holds 10 Chicago disclosures for Ascension SMEMC St Mary Campus., covering report years 2014–2023. Its ENERGY STAR score went from 38 in 2014 to 46 in 2023 (+8 points); its best year on file was 2020, at 58. Site EUI moved from 263.0 kBtu/ft² (2014) to 250.4 kBtu/ft² (2023), a 5% decrease. Reported emissions went from 19,465 tCO₂e to 15,204 tCO₂e over the same span (down 22%).
What does an ENERGY STAR score of 46 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 46 means the building performs better than about 46% of its national peers. BuildingCensus bands the score into report-card grades; 46 falls in band D — lowest band (1–54). It sits 29 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. Ascension SMEMC St Mary Campus.'s 250.4 kBtu/ft² across 697,454 sq ft works out to about 174.6 billion Btu (51,183 MWh-equivalent) in 2023. Its source EUI of 434.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 20,013,548 kWh of electricity and 1,063,601 therms of natural gas for the year.
Which law requires Ascension SMEMC St Mary Campus. to report its energy use?
Ascension SMEMC St Mary Campus. 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:100433:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More hospital (general medical & surgical) buildings in Chicago
- Ascension St Joseph Hospital - Chicago· 680,295 sq ft · score 88 (A)
- Bernard Mitchell Hospital· 430,772 sq ft · score 12 (D)
- Holy Cross Hospital· 409,910 sq ft · score 63 (C)
- Comer Children's Hospital· 394,171 sq ft · score 32 (D)
- Provident Hospital· 373,995 sq ft · score 3 (D)
- Advocate Trinity Hospital· 367,395 sq ft · score 68 (C)
- Hospital (General Medical & Surgical) buildings in Chicago· 25 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 Ascension SMEMC St Mary Campus.'s energy grade?
Ascension SMEMC St Mary Campus. scores 46 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 Chicago disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Ascension SMEMC St Mary Campus. use?
Its 2023 site energy-use intensity was 250.4 kBtu/ft² (434.3 kBtu/ft² source) across 697,454 sq ft, including 20,013,548 kWh of electricity and 1,063,601 therms of natural gas.
What are Ascension SMEMC St Mary Campus.'s carbon emissions?
Ascension SMEMC St Mary Campus. reported 15,204 tCO₂e of greenhouse-gas emissions (21.8 kgCO₂e/ft²) for 2023.
Where is Ascension SMEMC St Mary Campus.?
Ascension SMEMC St Mary Campus. is at 2233 West Division St, in Chicago, Illinois 60622. Its coordinates are 41.92500, -87.65859 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is Ascension SMEMC St Mary Campus. and when was it built?
Ascension SMEMC St Mary Campus. has 697,454 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1976 as its year built. It is classed as hospital (general medical & surgical).
Is Ascension SMEMC St Mary Campus. 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, “Ascension SMEMC St Mary Campus., Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/ascension-smemc-st-mary-campus-4329a450 (data as of October 2, 2026).