At a glance
151 North Franklin is a 947,870-square-foot office building at 151 N. Franklin Street in Chicago, Illinois, built in 2018. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 93 out of 100 (grade A), a site energy-use intensity of 48.5 kBtu/ft² and 4,451 tCO₂e of greenhouse-gas emissions. That score is higher than 94% of the 320 scored office buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 93 (band A) |
| Site EUI | 48.5 kBtu/ft² |
| Source EUI | 91.2 kBtu/ft² |
| GHG emissions | 4,451 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 6,814,139 kWh |
| Natural gas | 50,101 therms |
| Gross floor area | 947,870 sq ft |
| Source record | chicago:103626:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 93 | +20 | 48.5 kBtu/ft² | 4,451 tCO₂e |
| 2022 | 73 | -3 | 74.3 kBtu/ft² | 7,127 tCO₂e |
| 2021 | 76 | -1 | 60.1 kBtu/ft² | 6,190 tCO₂e |
| 2020 | 77 | -20 | 56.0 kBtu/ft² | 6,358 tCO₂e |
| 2019 | 97 | 44.6 kBtu/ft² | 5,148 tCO₂e | |
| 2018 | — | — | — |
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
- 151 N. Franklin Street
- City
- Chicago
- State
- Illinois
- ZIP
- 60606
- Coordinates
- 41.87217, -87.62958
Within ~1 km
Nearby benchmarked buildings
- AMA Plazascore 58
Office · 1,870,680 sq ft
- Roosevelt Collectionscore 91
Mixed Use Property · 1,686,996 sq ft
- 55 East Monroe Officescore 67
Office · 1,609,901 sq ft
Multifamily Housing · 1,558,561 sq ft
Hospital (General Medical & Surgical) · 1,266,745 sq ft
- 222 South Riversidescore 85
Office · 1,237,455 sq ft
See also: most efficient in Chicago · biggest emitters
How does 151 North Franklin compare with other office buildings in Chicago?
The latest disclosures cover 387 office buildings in Chicago, out of 3,852 buildings citywide. 151 North Franklin's ENERGY STAR score of 93 compares with an average of 69 across the 320 that report a score; it scores higher than 94% of them and lower than 5%. Its site EUI of 48.5 kBtu/ft² is about 31% below the average of 70.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.7 kgCO₂e/ft² is about 37% below the group average of 7.5 kgCO₂e/ft².
At 947,870 sq ft, it is about twice the average floor area of 488,124 sq ft for those buildings. It was built in 2018, 62 years later than the group's average year built (1957). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 151 North Franklin's energy performance changed over time?
BuildingCensus holds 6 Chicago disclosures for 151 North Franklin, covering report years 2018–2023. Its ENERGY STAR score went from 97 in 2019 to 93 in 2023 (-4 points); its best year on file was 2019, at 97. Site EUI moved from 44.6 kBtu/ft² (2019) to 48.5 kBtu/ft² (2023), an 9% increase. Reported emissions went from 5,148 tCO₂e to 4,451 tCO₂e over the same span (down 14%).
What does an ENERGY STAR score of 93 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 93 means the building performs better than about 93% of its national peers. BuildingCensus bands the score into report-card grades; 93 falls in band A — high performer (85–100). 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. 151 North Franklin's 48.5 kBtu/ft² across 947,870 sq ft works out to about 46 billion Btu (13,473 MWh-equivalent) in 2023. Its source EUI of 91.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 6,814,139 kWh of electricity and 50,101 therms of natural gas for the year.
Which law requires 151 North Franklin to report its energy use?
151 North Franklin 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:103626:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
More office buildings in Chicago
- One South Dearborn· 942,732 sq ft · score 81 (B)
- NBC Tower· 939,350 sq ft · score 58 (C)
- 55 West Monroe· 895,765 sq ft · score 77 (B)
- 190 South LaSalle· 883,718 sq ft · score 76 (B)
- 100 North Riverside Plaza· 874,519 sq ft · EUI 21.2 kBtu/ft²
- 10 South LaSalle Street· 871,962 sq ft · score 75 (B)
- Office buildings in Chicago· 387 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 151 North Franklin's energy grade?
151 North Franklin scores 93 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 151 North Franklin use?
Its 2023 site energy-use intensity was 48.5 kBtu/ft² (91.2 kBtu/ft² source) across 947,870 sq ft, including 6,814,139 kWh of electricity and 50,101 therms of natural gas.
What are 151 North Franklin's carbon emissions?
151 North Franklin reported 4,451 tCO₂e of greenhouse-gas emissions (4.7 kgCO₂e/ft²) for 2023.
Where is 151 North Franklin?
151 North Franklin is at 151 N. Franklin Street, in Chicago, Illinois 60606. Its coordinates are 41.87217, -87.62958 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is 151 North Franklin and when was it built?
151 North Franklin has 947,870 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2018 as its year built. It is classed as office.
Is 151 North Franklin 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, “151 North Franklin, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/151-north-franklin-0133fc3c (data as of October 2, 2026).