Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 63 (band C) |
| Site EUI | 89.9 kBtu/ft² |
| Source EUI | 184.1 kBtu/ft² |
| GHG emissions | 2,881 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 11,693,500 kWh |
| Natural gas | 51,470 therms |
| Gross floor area | 956,110 sq ft |
| Source record | seattle:3:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 63 | -8 | 89.9 kBtu/ft² | 2,881 tCO₂e |
| 2024 | 71 | -4 | 81.7 kBtu/ft² | 2,418 tCO₂e |
| 2023 | 75 | -5 | 77.7 kBtu/ft² | 2,193 tCO₂e |
| 2022 | 80 | -13 | 73.3 kBtu/ft² | 2,034 tCO₂e |
| 2021 | 93 | -5 | 53.1 kBtu/ft² | 1,229 tCO₂e |
| 2020 | 98 | +26 | 44.1 kBtu/ft² | 1,035 tCO₂e |
| 2019 | 72 | +8 | 81.6 kBtu/ft² | 2,162 tCO₂e |
| 2018 | 64 | +11 | 88.2 kBtu/ft² | 2,024 tCO₂e |
| 2017 | 53 | +9 | 98.6 kBtu/ft² | 2,341 tCO₂e |
| 2016 | 44 | +1 | 96.0 kBtu/ft² | 2,113 tCO₂e |
| 2015 | 43 | 96.6 kBtu/ft² | 2,019 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1900 5TH AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.61367, -122.33822
Within ~1 km
Nearby benchmarked buildings
- Seattle Convention Centerscore —
Convention Center · 1,842,925 sq ft
- Two Union Squarescore 96
Office · 1,605,578 sq ft
Office · 1,599,394 sq ft
- Day 1 Tower And Spheres (Amazon)score 93
Office · 1,599,230 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
- Onni South Lake Unionscore 77
Multifamily Housing · 1,546,084 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Westin Hotel (Parent Building)'s energy grade?
Westin Hotel (Parent Building) scores 63 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Westin Hotel (Parent Building) use?
Its 2025 site energy-use intensity was 89.9 kBtu/ft² (184.1 kBtu/ft² source) across 956,110 sq ft, including 11,693,500 kWh of electricity and 51,470 therms of natural gas.
What are Westin Hotel (Parent Building)'s carbon emissions?
Westin Hotel (Parent Building) reported 2,881 tCO₂e of greenhouse-gas emissions (3.5 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:3:2025.