At a glance
16M is a 218,358-square-foot office building at 1550 Market Street in Denver, Colorado, built in 2014. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 67.7 kBtu/ft² and 1,802 tCO₂e of greenhouse-gas emissions. That score is higher than 42% of the 339 scored office buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 67.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,802 tCO₂e |
| GHG intensity | — |
| Electricity | 2,923,502 kWh |
| Natural gas | 48,134 therms |
| Gross floor area | 218,358 sq ft |
| Source record | denver:2418:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 74 | +13 | 67.7 kBtu/ft² | 1,802 tCO₂e |
| 2022 | 61 | -17 | 74.2 kBtu/ft² | 1,761 tCO₂e |
| 2021 | 78 | 64.0 kBtu/ft² | 1,592 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
- 1550 Market Street
- City
- Denver
- State
- Colorado
- ZIP
- 80202
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 16M compare with other office buildings in Denver?
The latest disclosures cover 427 office buildings in Denver, out of 3,287 buildings citywide. 16M's ENERGY STAR score of 74 compares with an average of 71 across the 339 that report a score; it scores higher than 42% of them and lower than 56%. Its site EUI of 67.7 kBtu/ft² is roughly in line with the average of 67.1 kBtu/ft².
At 218,358 sq ft, it is about 38% above the average floor area of 157,927 sq ft for those buildings. It was built in 2014, 34 years later than the group's average year built (1980). 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 16M's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for 16M, covering report years 2021–2023. Its ENERGY STAR score went from 78 in 2021 to 74 in 2023 (-4 points); its best year on file was 2021, at 78. Site EUI moved from 64.0 kBtu/ft² (2021) to 67.7 kBtu/ft² (2023), an 6% increase. Reported emissions went from 1,592 tCO₂e to 1,802 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 points below 75, the threshold for ENERGY STAR certification. In Denver, 54% 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. 16M's 67.7 kBtu/ft² across 218,358 sq ft works out to about 14.8 billion Btu (4,332 MWh-equivalent) in 2023. The disclosure also reports 2,923,502 kWh of electricity and 48,134 therms of natural gas for the year.
Which law requires 16M to report its energy use?
16M 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:2418:2023). 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 office buildings in Denver
- The Chancery Sentinel Llc· 217,247 sq ft · score 91 (A)
- Belleview Tower - 7887 Bellview· 212,999 sq ft · score 90 (A)
- Denver Corporate Center Iii· 210,900 sq ft · score 85 (A)
- Lodo Towers - 1401 17Th St· 209,017 sq ft · score 84 (B)
- 1875 Lawrence· 208,035 sq ft · score 71 (B)
- Colorado Center - Tower 1· 204,500 sq ft · score 86 (A)
- Office buildings in Denver· 427 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 16M's energy grade?
16M scores 74 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2023 Denver disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 16M use?
Its 2023 site energy-use intensity was 67.7 kBtu/ft² across 218,358 sq ft, including 2,923,502 kWh of electricity and 48,134 therms of natural gas.
What are 16M's carbon emissions?
16M reported 1,802 tCO₂e of greenhouse-gas emissions for 2023.
Where is 16M?
16M is at 1550 Market Street, in Denver, Colorado 80202.
How big is 16M and when was it built?
16M has 218,358 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2014 as its year built. It is classed as office.
Is 16M 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, “16M, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/16m-4cef509f (data as of July 9, 2026).