155 S. Madison
Medical Office in Denver, CO · 155 S. Madison St. · 80209
At a glance
155 S. Madison is a 45,194-square-foot medical office at 155 S. Madison St. in Denver, Colorado, built in 1974. In its 2023 Denver benchmarking disclosure it reported a site energy-use intensity of 76.0 kBtu/ft² and 363 tCO₂e of greenhouse-gas emissions.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 76.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 363 tCO₂e |
| GHG intensity | — |
| Electricity | 519,708 kWh |
| Natural gas | 16,621 therms |
| Gross floor area | 45,194 sq ft |
| Source record | denver:3493:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 76.0 kBtu/ft² | 363 tCO₂e | |
| 2022 | — | 79.0 kBtu/ft² | 372 tCO₂e | |
| 2021 | 55 | 82.3 kBtu/ft² | 393 tCO₂e |
Compliance context
Energize Denver Building Performance Policy
Energize Denver sets energy-use (EUI) targets for buildings of 25,000+ sq ft — for most buildings an interim target in 2028 and a final target in 2032 — with civil penalties of roughly $0.15–0.35 per kBtu over target for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 155 S. Madison St.
- City
- Denver
- State
- Colorado
- ZIP
- 80209
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Denver · biggest emitters
How does 155 S. Madison compare with other medical office buildings in Denver?
The latest disclosures cover 39 medical office buildings in Denver, out of 3,287 buildings citywide. Its site EUI of 76.0 kBtu/ft² is about 20% below the average of 94.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 45,194 sq ft, it is about 35% below the average floor area of 69,292 sq ft for those buildings. It was built in 1974, 16 years earlier than the group's average year built (1990). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².
How has 155 S. Madison's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for 155 S. Madison, covering report years 2021–2023. Site EUI moved from 82.3 kBtu/ft² (2021) to 76.0 kBtu/ft² (2023), a 8% decrease. Reported emissions went from 393 tCO₂e to 363 tCO₂e over the same span (down 7%).
What does a site EUI of 76.0 kBtu/ft² mean?
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. 155 S. Madison's 76.0 kBtu/ft² across 45,194 sq ft works out to about 3.4 billion Btu (1,007 MWh-equivalent) in 2023. The disclosure also reports 519,708 kWh of electricity and 16,621 therms of natural gas for the year.
Which law requires 155 S. Madison to report its energy use?
155 S. Madison reports under the Energize Denver Building Performance Policy, the legal basis of Denver's Energize Denver Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record denver:3493:2023). Energize Denver sets energy-use (EUI) targets for buildings of 25,000+ sq ft — for most buildings an interim target in 2028 and a final target in 2032 — with civil penalties of roughly $0.15–0.35 per kBtu over target for non-compliance.
More medical office buildings in Denver
- Central Park Professional Condominium Assn· 45,092 sq ft · score 41 (D)
- Pena Sw Clinic· 44,899 sq ft · score 57 (C)
- 3955 E. Exposition Ave· 43,578 sq ft · score 1 (D)
- St Joes Comprehensive Cancer Center· 36,492 sq ft · score 33 (D)
- 154101-125 Rampart Way· 36,036 sq ft · score 2 (D)
- 1199 Rocky Mountain Cancer Center· 35,663 sq ft · score 79 (B)
- Medical Office buildings in Denver· 39 benchmarked
- All Denver benchmarked buildings· Energize Denver Building Performance Policy
- Most efficient large buildings in Denver
- Least efficient large buildings in Denver
- Biggest emitters in Denver
Frequently asked questions
What is 155 S. Madison's energy grade?
155 S. Madison did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 76.0 kBtu/ft².
How much energy does 155 S. Madison use?
Its 2023 site energy-use intensity was 76.0 kBtu/ft² across 45,194 sq ft, including 519,708 kWh of electricity and 16,621 therms of natural gas.
What are 155 S. Madison's carbon emissions?
155 S. Madison reported 363 tCO₂e of greenhouse-gas emissions for 2023.
Where is 155 S. Madison?
155 S. Madison is at 155 S. Madison St., in Denver, Colorado 80209.
How big is 155 S. Madison and when was it built?
155 S. Madison has 45,194 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1974 as its year built. It is classed as medical office.
Is 155 S. Madison covered by the Energize Denver Building Performance Policy?
Yes — it appears in the 2023 Energize Denver Benchmarking disclosure, which lists the buildings reporting under the Energize Denver Building Performance Policy.
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About this data
Source: Energize Denver Benchmarking (Energize Denver Building Performance Policy), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “155 S. Madison, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/155-s-madison-95874a45 (data as of July 9, 2026).