One Waterfront Towers
Multifamily Housing in Honolulu, HI · 425 South St, Honolulu
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 31.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 3,027 tCO₂e |
| GHG intensity | — |
| Electricity | 4,120,056 kWh |
| Natural gas | 11,634 therms |
| Water use | 21,389 kgal |
| Gross floor area | 477,097 sq ft |
| Source record | honolulu:04QFJ1811455787:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 31.9 kBtu/ft² | 3,027 tCO₂e | |
| 2024 | 81 | +2 | 35.1 kBtu/ft² | 3,362 tCO₂e |
| 2023 | 79 | 35.7 kBtu/ft² | 3,388 tCO₂e |
Compliance context
Ordinance 22-17 (City & County of Honolulu)
Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 425 South St, Honolulu
- City
- Honolulu
- State
- Hawaii
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Honolulu · biggest emitters
Frequently asked questions
What is One Waterfront Towers's energy grade?
One Waterfront Towers did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 31.9 kBtu/ft².
How much energy does One Waterfront Towers use?
Its 2025 site energy-use intensity was 31.9 kBtu/ft² across 477,097 sq ft, including 4,120,056 kWh of electricity and 11,634 therms of natural gas.
What are One Waterfront Towers's carbon emissions?
One Waterfront Towers reported 3,027 tCO₂e of greenhouse-gas emissions for 2025. Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Dataset updated . Source: Better Buildings Benchmarking disclosure, record honolulu:04QFJ1811455787:2025.