Plaza Hawaii Kai
Multifamily Housing in Honolulu, HI · 6770 Hawaii Kai Dr, Honolulu
At a glance
Plaza Hawaii Kai is a 210,577-square-foot multifamily housing building at 6770 Hawaii Kai Dr, Honolulu in Honolulu, Hawaii, built in 1973. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 15.5 kBtu/ft² and 648 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 15.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 648 tCO₂e |
| GHG intensity | — |
| Electricity | 953,555 kWh |
| Water use | 10,411 kgal |
| Gross floor area | 210,577 sq ft |
| Source record | honolulu:04QFJ3417155008:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 15.5 kBtu/ft² | 648 tCO₂e | |
| 2024 | 100 | ±0 | 15.7 kBtu/ft² | 699 tCO₂e |
| 2023 | 100 | 15.6 kBtu/ft² | 728 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 owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 6770 Hawaii Kai Dr, 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
How does Plaza Hawaii Kai compare with other multifamily housing buildings in Honolulu?
The latest disclosures cover 378 multifamily housing buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 15.5 kBtu/ft² is about half of the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 210,577 sq ft, it is about 32% above the average floor area of 159,294 sq ft for those buildings. It was built in 1973, 6 years earlier than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Plaza Hawaii Kai's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Plaza Hawaii Kai, covering report years 2023–2025. Its ENERGY STAR score was 100 in both 2023 and 2024. Site EUI moved from 15.6 kBtu/ft² (2023) to 15.5 kBtu/ft² (2025), a 1% decrease. Reported emissions went from 728 tCO₂e to 648 tCO₂e over the same span (down 11%).
What does a site EUI of 15.5 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Plaza Hawaii Kai's 15.5 kBtu/ft² across 210,577 sq ft works out to about 3.3 billion Btu (957 MWh-equivalent) in 2025. The disclosure also reports 953,555 kWh of electricity and 10,411 thousand gallons of water for the year.
Which law requires Plaza Hawaii Kai to report its energy use?
Plaza Hawaii Kai reports under Ordinance 22-17 (City & County of Honolulu), the legal basis of Honolulu's Better Buildings Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record honolulu:04QFJ3417155008:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More multifamily housing buildings in Honolulu
- Canterbury Place· 208,020 sq ft · EUI 55.2 kBtu/ft²
- Admiral Thomas Apartments· 207,233 sq ft · EUI 42.1 kBtu/ft²
- Country Club Village Phase 2 - Building 4· 202,992 sq ft · EUI 29.4 kBtu/ft²
- 1133 Waimanu· 200,705 sq ft · EUI 27.0 kBtu/ft²
- Hale Kalele· 199,471 sq ft · EUI 16.7 kBtu/ft²
- The Kalia Inc· 196,800 sq ft · EUI 27.5 kBtu/ft²
- Multifamily Housing buildings in Honolulu· 378 benchmarked
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
- Most efficient large buildings in Honolulu
- Least efficient large buildings in Honolulu
- Biggest emitters in Honolulu
Frequently asked questions
What is Plaza Hawaii Kai's energy grade?
Plaza Hawaii Kai did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 15.5 kBtu/ft².
How much energy does Plaza Hawaii Kai use?
Its 2025 site energy-use intensity was 15.5 kBtu/ft² across 210,577 sq ft, including 953,555 kWh of electricity.
What are Plaza Hawaii Kai's carbon emissions?
Plaza Hawaii Kai reported 648 tCO₂e of greenhouse-gas emissions for 2025.
Where is Plaza Hawaii Kai?
Plaza Hawaii Kai is at 6770 Hawaii Kai Dr, Honolulu, in Honolulu, Hawaii.
How big is Plaza Hawaii Kai and when was it built?
Plaza Hawaii Kai has 210,577 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1973 as its year built. It is classed as multifamily housing.
Is Plaza Hawaii Kai covered by Ordinance 22-17 (City & County of Honolulu)?
Yes — it appears in the 2025 Better Buildings Benchmarking disclosure, which lists the buildings reporting under Ordinance 22-17 (City & County of Honolulu).
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About this data
Source: Better Buildings Benchmarking (Ordinance 22-17 (City & County of Honolulu)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Plaza Hawaii Kai, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/plaza-hawaii-kai-5e10a9ec (data as of July 9, 2026).