At a glance
F.H. Paschen, S.N. Nielsen & Associates, LLC is a 112,700-square-foot office building at 8734 W. Catalpa in Chicago, Illinois, built in 1989. In its 2023 Chicago benchmarking disclosure it reported an ENERGY STAR score of 58 out of 100 (grade C), a site energy-use intensity of 67.8 kBtu/ft² and 1,070 tCO₂e of greenhouse-gas emissions. That score is higher than 23% of the 320 scored office buildings in Chicago.
Building Energy Use Benchmarking Ordinance · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 58 (band C) |
| Site EUI | 67.8 kBtu/ft² |
| Source EUI | 190.0 kBtu/ft² |
| GHG emissions | 1,070 tCO₂e |
| GHG intensity | 9.5 kgCO₂e/ft² |
| Electricity | 2,240,961 kWh |
| Gross floor area | 112,700 sq ft |
| Source record | chicago:173488:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 58 | +3 | 67.8 kBtu/ft² | 1,070 tCO₂e |
| 2022 | 55 | +6 | 72.8 kBtu/ft² | 1,080 tCO₂e |
| 2021 | 49 | +7 | 77.9 kBtu/ft² | 1,253 tCO₂e |
| 2020 | 42 | -8 | 85.4 kBtu/ft² | 1,501 tCO₂e |
| 2019 | 50 | +12 | 77.8 kBtu/ft² | — |
| 2018 | 38 | -12 | 81.3 kBtu/ft² | 1,524 tCO₂e |
| 2017 | 50 | -3 | 77.1 kBtu/ft² | 1,606 tCO₂e |
| 2016 | 53 | +7 | 75.5 kBtu/ft² | 1,569 tCO₂e |
| 2015 | 46 | 81.0 kBtu/ft² | 1,833 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
- 8734 W. Catalpa
- City
- Chicago
- State
- Illinois
- ZIP
- 60656
- Coordinates
- 41.79075, -87.59038
Within ~1 km
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See also: most efficient in Chicago · biggest emitters
How does F.H. Paschen, S.N. Nielsen & Associates, LLC compare with other office buildings in Chicago?
The latest disclosures cover 387 office buildings in Chicago, out of 3,852 buildings citywide. F.H. Paschen, S.N. Nielsen & Associates, LLC's ENERGY STAR score of 58 compares with an average of 69 across the 320 that report a score; it scores higher than 23% of them and lower than 74%. Its site EUI of 67.8 kBtu/ft² is roughly in line with 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 9.5 kgCO₂e/ft² is about 27% above the group average of 7.5 kgCO₂e/ft².
At 112,700 sq ft, it is about 77% below the average floor area of 488,124 sq ft for those buildings. It was built in 1989, 33 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 F.H. Paschen, S.N. Nielsen & Associates, LLC's energy performance changed over time?
BuildingCensus holds 9 Chicago disclosures for F.H. Paschen, S.N. Nielsen & Associates, LLC, covering report years 2015–2023. Its ENERGY STAR score went from 46 in 2015 to 58 in 2023 (+12 points). Site EUI moved from 81.0 kBtu/ft² (2015) to 67.8 kBtu/ft² (2023), a 16% decrease. Reported emissions went from 1,833 tCO₂e to 1,070 tCO₂e over the same span (down 42%).
What does an ENERGY STAR score of 58 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 58 means the building performs better than about 58% of its national peers. BuildingCensus bands the score into report-card grades; 58 falls in band C — below median (55–69). It sits 17 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. F.H. Paschen, S.N. Nielsen & Associates, LLC's 67.8 kBtu/ft² across 112,700 sq ft works out to about 7.6 billion Btu (2,239 MWh-equivalent) in 2023. Its source EUI of 190.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,240,961 kWh of electricity for the year.
Which law requires F.H. Paschen, S.N. Nielsen & Associates, LLC to report its energy use?
F.H. Paschen, S.N. Nielsen & Associates, LLC 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:173488:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.
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Frequently asked questions
What is F.H. Paschen, S.N. Nielsen & Associates, LLC's energy grade?
F.H. Paschen, S.N. Nielsen & Associates, LLC scores 58 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 F.H. Paschen, S.N. Nielsen & Associates, LLC use?
Its 2023 site energy-use intensity was 67.8 kBtu/ft² (190.0 kBtu/ft² source) across 112,700 sq ft, including 2,240,961 kWh of electricity.
What are F.H. Paschen, S.N. Nielsen & Associates, LLC's carbon emissions?
F.H. Paschen, S.N. Nielsen & Associates, LLC reported 1,070 tCO₂e of greenhouse-gas emissions (9.5 kgCO₂e/ft²) for 2023.
Where is F.H. Paschen, S.N. Nielsen & Associates, LLC?
F.H. Paschen, S.N. Nielsen & Associates, LLC is at 8734 W. Catalpa, in Chicago, Illinois 60656. Its coordinates are 41.79075, -87.59038 (latitude, longitude), as published in the Chicago Energy Benchmarking file.
How big is F.H. Paschen, S.N. Nielsen & Associates, LLC and when was it built?
F.H. Paschen, S.N. Nielsen & Associates, LLC has 112,700 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1989 as its year built. It is classed as office.
Is F.H. Paschen, S.N. Nielsen & Associates, LLC 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, “F.H. Paschen, S.N. Nielsen & Associates, LLC, Chicago, Illinois — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/chicago/f-h-paschen-s-n-nielsen-associates-llc-6307d1f4 (data as of October 2, 2026).