Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 79 (band B) |
| Site EUI | 51.0 kBtu/ft² |
| Source EUI | 142.4 kBtu/ft² |
| GHG emissions | 77 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 3,770,202 kWh |
| Natural gas | 512 therms |
| Gross floor area | 362,033 sq ft |
| Source record | seattle:685:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 79 | -1 | 51.0 kBtu/ft² | 77 tCO₂e |
| 2023 | 80 | +6 | 51.0 kBtu/ft² | 78 tCO₂e |
| 2022 | 74 | +2 | 48.7 kBtu/ft² | 72 tCO₂e |
| 2021 | 72 | +1 | 48.6 kBtu/ft² | 70 tCO₂e |
| 2020 | 71 | -7 | 47.4 kBtu/ft² | 70 tCO₂e |
| 2019 | 78 | +1 | 48.7 kBtu/ft² | 74 tCO₂e |
| 2018 | 77 | -3 | 54.4 kBtu/ft² | 83 tCO₂e |
| 2017 | 80 | -7 | 58.9 kBtu/ft² | 92 tCO₂e |
| 2016 | 87 | +6 | 64.3 kBtu/ft² | 100 tCO₂e |
| 2015 | 81 | 74.7 kBtu/ft² | 108 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 818 STEWART ST
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.61567, -122.33503
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
- ONNI SOUTH LAKE UNIONscore 54
Multifamily HR (10+) · 1,546,084 sq ft
- US BANK CENTERscore 87
Office · 1,536,606 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is 818 STEWART's energy grade?
818 STEWART scores 79 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 818 STEWART use?
Its 2024 site energy-use intensity was 51.0 kBtu/ft² (142.4 kBtu/ft² source) across 362,033 sq ft, including 3,770,202 kWh of electricity and 512 therms of natural gas.
What are 818 STEWART's carbon emissions?
818 STEWART reported 77 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:685:2024.