Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 93 (band A) |
| Site EUI | 17.0 kBtu/ft² |
| Source EUI | 47.5 kBtu/ft² |
| GHG emissions | 2 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 99,521 kWh |
| Gross floor area | 20,028 sq ft |
| Source record | seattle:19853:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 93 | +2 | 17.0 kBtu/ft² | 2 tCO₂e |
| 2024 | 91 | +2 | 18.2 kBtu/ft² | 2 tCO₂e |
| 2023 | 89 | ±0 | 19.3 kBtu/ft² | 2 tCO₂e |
| 2022 | 89 | ±0 | 20.0 kBtu/ft² | 2 tCO₂e |
| 2021 | 89 | -6 | 19.7 kBtu/ft² | 2 tCO₂e |
| 2020 | 95 | +13 | 14.9 kBtu/ft² | 2 tCO₂e |
| 2019 | 82 | -1 | 30.8 kBtu/ft² | 23 tCO₂e |
| 2018 | 83 | -1 | 28.6 kBtu/ft² | 18 tCO₂e |
| 2017 | 84 | -11 | 23.3 kBtu/ft² | 13 tCO₂e |
| 2016 | 95 | ±0 | 25.6 kBtu/ft² | 14 tCO₂e |
| 2015 | 95 | 27.6 kBtu/ft² | 20 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
- 600 2ND AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60260, -122.33232
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
- Two Union Squarescore 96
Office · 1,605,578 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
- Us Bank Centerscore 87
Office · 1,536,606 sq ft
Office · 1,527,817 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Hartford Building's energy grade?
Hartford Building scores 93 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 Hartford Building use?
Its 2025 site energy-use intensity was 17.0 kBtu/ft² (47.5 kBtu/ft² source) across 20,028 sq ft, including 99,521 kWh of electricity.
What are Hartford Building's carbon emissions?
Hartford Building reported 2 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:19853:2025.