Volta Apartments
Multifamily Housing in Seattle, WA · 2233 1ST AVE · 98121
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 35 (band D) |
| Site EUI | 51.1 kBtu/ft² |
| Source EUI | 111.0 kBtu/ft² |
| GHG emissions | 50 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 412,951 kWh |
| Natural gas | 7,849 therms |
| Gross floor area | 54,550 sq ft |
| Source record | seattle:21502:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 35 | -12 | 51.1 kBtu/ft² | 50 tCO₂e |
| 2024 | 47 | +2 | 45.6 kBtu/ft² | 41 tCO₂e |
| 2023 | 45 | -24 | 48.2 kBtu/ft² | 46 tCO₂e |
| 2022 | 69 | +3 | 44.1 kBtu/ft² | 46 tCO₂e |
| 2021 | 66 | -25 | 43.5 kBtu/ft² | 43 tCO₂e |
| 2020 | 91 | +54 | 29.9 kBtu/ft² | 19 tCO₂e |
| 2019 | 37 | +11 | 48.3 kBtu/ft² | 41 tCO₂e |
| 2018 | 26 | 50.7 kBtu/ft² | 41 tCO₂e | |
| 2017 | — | 15.2 kBtu/ft² | 34 tCO₂e | |
| 2016 | — | 51.5 kBtu/ft² | 44 tCO₂e | |
| 2015 | — | 52.2 kBtu/ft² | 44 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
- 2233 1ST AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98121
- Coordinates
- 47.61305, -122.34660
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Volta Apartments's energy grade?
Volta Apartments scores 35 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Volta Apartments use?
Its 2025 site energy-use intensity was 51.1 kBtu/ft² (111.0 kBtu/ft² source) across 54,550 sq ft, including 412,951 kWh of electricity and 7,849 therms of natural gas.
What are Volta Apartments's carbon emissions?
Volta Apartments reported 50 tCO₂e of greenhouse-gas emissions (1.2 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:21502:2025.