Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 53.7 kBtu/ft² |
| Source EUI | 143.5 kBtu/ft² |
| GHG emissions | 25 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 730,896 kWh |
| Natural gas | 1,973 therms |
| Gross floor area | 50,176 sq ft |
| Source record | seattle:382:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 53.7 kBtu/ft² | 25 tCO₂e | |
| 2024 | — | 56.2 kBtu/ft² | 26 tCO₂e | |
| 2023 | — | 55.7 kBtu/ft² | 25 tCO₂e | |
| 2022 | — | 58.6 kBtu/ft² | 26 tCO₂e | |
| 2021 | — | 52.5 kBtu/ft² | 23 tCO₂e | |
| 2020 | — | 50.9 kBtu/ft² | 22 tCO₂e | |
| 2019 | — | 57.4 kBtu/ft² | 27 tCO₂e | |
| 2018 | — | 65.2 kBtu/ft² | 30 tCO₂e | |
| 2017 | — | 67.0 kBtu/ft² | 31 tCO₂e | |
| 2016 | 77 | 46.6 kBtu/ft² | 22 tCO₂e | |
| 2015 | — | 72.8 kBtu/ft² | 18 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines 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
- 520 2ND AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60227, -122.33202
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
Office · 1,527,817 sq ft
Office · 1,413,575 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Collins Building's energy grade?
Collins Building did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 53.7 kBtu/ft².
How much energy does Collins Building use?
Its 2025 site energy-use intensity was 53.7 kBtu/ft² (143.5 kBtu/ft² source) across 50,176 sq ft, including 730,896 kWh of electricity and 1,973 therms of natural gas.
What are Collins Building's carbon emissions?
Collins Building reported 25 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:382:2025.