At a glance
1245 Champa St-Ccd Owned-Leasedbycosymph is a 45,000-square-foot office building in Denver, Colorado, built in 1980. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 25 out of 100 (grade D), a site energy-use intensity of 130.9 kBtu/ft² and 516 tCO₂e of greenhouse-gas emissions. That score is higher than 4% of the 339 scored office buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 25 (band D) |
| Site EUI | 130.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 516 tCO₂e |
| GHG intensity | — |
| Electricity | 482,772 kWh |
| Natural gas | 131 therms |
| Gross floor area | 45,000 sq ft |
| Source record | denver:2493:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 25 | -14 | 130.9 kBtu/ft² | 516 tCO₂e |
| 2022 | 39 | -11 | 108.1 kBtu/ft² | 430 tCO₂e |
| 2021 | 50 | 89.8 kBtu/ft² | 386 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
- 1245 Champa St
- City
- Denver
- State
- Colorado
- ZIP
- 80204
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 1245 Champa St-Ccd Owned-Leasedbycosymph compare with other office buildings in Denver?
The latest disclosures cover 427 office buildings in Denver, out of 3,287 buildings citywide. 1245 Champa St-Ccd Owned-Leasedbycosymph's ENERGY STAR score of 25 compares with an average of 71 across the 339 that report a score; it scores higher than 4% of them and lower than 95%. Its site EUI of 130.9 kBtu/ft² is about twice the average of 67.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 45,000 sq ft, it is about 72% below the average floor area of 157,927 sq ft for those buildings. Its 1980 construction date is close to 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 1245 Champa St-Ccd Owned-Leasedbycosymph's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for 1245 Champa St-Ccd Owned-Leasedbycosymph, covering report years 2021–2023. Its ENERGY STAR score went from 50 in 2021 to 25 in 2023 (-25 points); its best year on file was 2021, at 50. Site EUI moved from 89.8 kBtu/ft² (2021) to 130.9 kBtu/ft² (2023), an 46% increase. Reported emissions went from 386 tCO₂e to 516 tCO₂e over the same span (up 34%).
What does an ENERGY STAR score of 25 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 25 means the building performs better than about 25% of its national peers. BuildingCensus bands the score into report-card grades; 25 falls in band D — lowest band (1–54). It sits 50 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. 1245 Champa St-Ccd Owned-Leasedbycosymph's 130.9 kBtu/ft² across 45,000 sq ft works out to about 5.9 billion Btu (1,726 MWh-equivalent) in 2023. The disclosure also reports 482,772 kWh of electricity and 131 therms of natural gas for the year.
Which law requires 1245 Champa St-Ccd Owned-Leasedbycosymph to report its energy use?
1245 Champa St-Ccd Owned-Leasedbycosymph 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:2493:2023). 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
- 800 Grant Street· 44,733 sq ft · EUI 71.4 kBtu/ft²
- Colorado Education Association· 44,358 sq ft · score 27 (D)
- 4045 Pecos St· 44,181 sq ft · score 83 (B)
- Gateway Vii· 43,877 sq ft · EUI 49.4 kBtu/ft²
- Mf Stapleton, Llc· 43,836 sq ft · EUI 64.4 kBtu/ft²
- Kenny Electric· 43,827 sq ft · score 77 (B)
- 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 1245 Champa St-Ccd Owned-Leasedbycosymph's energy grade?
1245 Champa St-Ccd Owned-Leasedbycosymph scores 25 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 Denver disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1245 Champa St-Ccd Owned-Leasedbycosymph use?
Its 2023 site energy-use intensity was 130.9 kBtu/ft² across 45,000 sq ft, including 482,772 kWh of electricity and 131 therms of natural gas.
What are 1245 Champa St-Ccd Owned-Leasedbycosymph's carbon emissions?
1245 Champa St-Ccd Owned-Leasedbycosymph reported 516 tCO₂e of greenhouse-gas emissions for 2023.
Where is 1245 Champa St-Ccd Owned-Leasedbycosymph?
1245 Champa St-Ccd Owned-Leasedbycosymph is in Denver, Colorado 80204.
How big is 1245 Champa St-Ccd Owned-Leasedbycosymph and when was it built?
1245 Champa St-Ccd Owned-Leasedbycosymph has 45,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is 1245 Champa St-Ccd Owned-Leasedbycosymph 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, “1245 Champa St-Ccd Owned-Leasedbycosymph, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/1245-champa-st-ccd-owned-leasedbycosymph-6150a5ce (data as of July 9, 2026).