Alexan 100
Multifamily Housing in Seattle, WA · 100 DENNY WAY · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 30.1 kBtu/ft² |
| Source EUI | 80.1 kBtu/ft² |
| GHG emissions | 15 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 1,058,990 kWh |
| Natural gas | 3,088 therms |
| Gross floor area | 182,411 sq ft |
| Source record | seattle:50692:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 94 | +2 | 30.1 kBtu/ft² | 15 tCO₂e |
| 2024 | 92 | -1 | 31.4 kBtu/ft² | 43 tCO₂e |
| 2023 | 93 | -2 | 31.5 kBtu/ft² | 44 tCO₂e |
| 2022 | 95 | -1 | 30.7 kBtu/ft² | 48 tCO₂e |
| 2021 | 96 | 29.4 kBtu/ft² | 44 tCO₂e | |
| 2020 | — | 27.9 kBtu/ft² | 40 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
- 100 DENNY WAY
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.61875, -122.35523
Within ~1 km
Nearby benchmarked buildings
- Climate Pledge Arenascore —
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- Olympus Aptsscore 97
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- Avalon Belltown Towersscore 72
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- Third And Broad Bldgscore 94
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- Armory - Seattle Centerscore —
Other · 396,085 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Alexan 100's energy grade?
Alexan 100 scores 94 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Alexan 100 use?
Its 2025 site energy-use intensity was 30.1 kBtu/ft² (80.1 kBtu/ft² source) across 182,411 sq ft, including 1,058,990 kWh of electricity and 3,088 therms of natural gas.
What are Alexan 100's carbon emissions?
Alexan 100 reported 15 tCO₂e of greenhouse-gas emissions (0.1 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:50692:2025.