Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 70 (band B) |
| Site EUI | 64.3 kBtu/ft² |
| Source EUI | 180.0 kBtu/ft² |
| GHG emissions | 44 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 2,217,173 kWh |
| Gross floor area | 117,693 sq ft |
| Source record | seattle:50366:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 70 | -1 | 64.3 kBtu/ft² | 44 tCO₂e |
| 2024 | 71 | +25 | 62.9 kBtu/ft² | 43 tCO₂e |
| 2023 | 46 | -6 | 66.4 kBtu/ft² | 66 tCO₂e |
| 2022 | 52 | +3 | 60.7 kBtu/ft² | 48 tCO₂e |
| 2021 | 49 | +9 | 62.6 kBtu/ft² | 60 tCO₂e |
| 2020 | 40 | -12 | 72.7 kBtu/ft² | 70 tCO₂e |
| 2019 | 52 | +2 | 61.8 kBtu/ft² | 53 tCO₂e |
| 2018 | 50 | 62.1 kBtu/ft² | 46 tCO₂e | |
| 2017 | — | — | — | |
| 2016 | — | — | — | |
| 2015 | — | — | — |
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
- 401 S JACKSON ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59865, -122.32854
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
- 999 Third Avescore 88
Office · 1,323,055 sq ft
Office · 1,249,055 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Union Station - Sound Transit's energy grade?
Union Station - Sound Transit scores 70 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Union Station - Sound Transit use?
Its 2025 site energy-use intensity was 64.3 kBtu/ft² (180.0 kBtu/ft² source) across 117,693 sq ft, including 2,217,173 kWh of electricity.
What are Union Station - Sound Transit's carbon emissions?
Union Station - Sound Transit reported 44 tCO₂e of greenhouse-gas emissions (0.4 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:50366:2025.