Plantation Town Apartments
Multifamily Housing in Honolulu, HI · 94-979 Kauolu Pl, Waipahu
At a glance
Plantation Town Apartments is a 231,086-square-foot multifamily housing building at 94-979 Kauolu Pl, Waipahu in Honolulu, Hawaii, built in 2007. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 13.1 kBtu/ft² and 639 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 13.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 639 tCO₂e |
| GHG intensity | — |
| Electricity | 887,311 kWh |
| Water use | 18,715 kgal |
| Gross floor area | 231,086 sq ft |
| Source record | honolulu:04QFJ0347565450:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 13.1 kBtu/ft² | 639 tCO₂e | |
| 2024 | 100 | ±0 | 13.8 kBtu/ft² | 671 tCO₂e |
| 2023 | 100 | 14.2 kBtu/ft² | 691 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
- 94-979 Kauolu Pl, Waipahu
- 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 Plantation Town Apartments 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 13.1 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 231,086 sq ft, it is about 45% above the average floor area of 159,294 sq ft for those buildings. It was built in 2007, 28 years later 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 Plantation Town Apartments's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Plantation Town Apartments, covering report years 2023–2025. Its ENERGY STAR score was 100 in both 2023 and 2024. Site EUI moved from 14.2 kBtu/ft² (2023) to 13.1 kBtu/ft² (2025), a 8% decrease. Reported emissions went from 691 tCO₂e to 639 tCO₂e over the same span (down 8%).
What does a site EUI of 13.1 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. Plantation Town Apartments's 13.1 kBtu/ft² across 231,086 sq ft works out to about 3 billion Btu (887 MWh-equivalent) in 2025. The disclosure also reports 887,311 kWh of electricity and 18,715 thousand gallons of water for the year.
Which law requires Plantation Town Apartments to report its energy use?
Plantation Town Apartments 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:04QFJ0347565450:2025). 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
- Royal Capitol Plaza· 227,792 sq ft · EUI 31.1 kBtu/ft²
- Windward Passage· 225,000 sq ft · EUI 20.0 kBtu/ft²
- 2121 Ala Wai· 220,500 sq ft · EUI 16.9 kBtu/ft²
- Mount Terrace· 220,000 sq ft · EUI 28.3 kBtu/ft²
- Pearlridge Gardens & Tower· 216,804 sq ft · score 99 (A)
- Country Club Village Phase 2 - Building 5· 214,390 sq ft · EUI 30.6 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 Plantation Town Apartments's energy grade?
Plantation Town Apartments did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 13.1 kBtu/ft².
How much energy does Plantation Town Apartments use?
Its 2025 site energy-use intensity was 13.1 kBtu/ft² across 231,086 sq ft, including 887,311 kWh of electricity.
What are Plantation Town Apartments's carbon emissions?
Plantation Town Apartments reported 639 tCO₂e of greenhouse-gas emissions for 2025.
Where is Plantation Town Apartments?
Plantation Town Apartments is at 94-979 Kauolu Pl, Waipahu, in Honolulu, Hawaii.
How big is Plantation Town Apartments and when was it built?
Plantation Town Apartments has 231,086 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2007 as its year built. It is classed as multifamily housing.
Is Plantation Town Apartments 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, “Plantation Town Apartments, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/plantation-town-apartments-d09b0d73 (data as of July 9, 2026).