The Colony At Hawaii Kai Peninsula
Multifamily Housing in Honolulu, HI · 520 Lunalilo Home Rd, Honolulu
At a glance
The Colony At Hawaii Kai Peninsula is a 406,042-square-foot multifamily housing building at 520 Lunalilo Home Rd, Honolulu in Honolulu, Hawaii, built in 2005. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 20.7 kBtu/ft² and 1,674 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 20.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,674 tCO₂e |
| GHG intensity | — |
| Electricity | 2,462,300 kWh |
| Water use | 49,105 kgal |
| Gross floor area | 406,042 sq ft |
| Source record | honolulu:04QFJ3510154570:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 20.7 kBtu/ft² | 1,674 tCO₂e | |
| 2024 | 63 | +15 | 46.8 kBtu/ft² | 4,004 tCO₂e |
| 2023 | 48 | 46.7 kBtu/ft² | 4,146 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
- 520 Lunalilo Home Rd, 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 The Colony At Hawaii Kai Peninsula 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 20.7 kBtu/ft² is about 27% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 406,042 sq ft, it is about 155% above the average floor area of 159,294 sq ft for those buildings. It was built in 2005, 26 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 The Colony At Hawaii Kai Peninsula's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for The Colony At Hawaii Kai Peninsula, covering report years 2023–2025. Its ENERGY STAR score went from 48 in 2023 to 63 in 2024 (+15 points). Site EUI moved from 46.7 kBtu/ft² (2023) to 20.7 kBtu/ft² (2025), a 56% decrease. Reported emissions went from 4,146 tCO₂e to 1,674 tCO₂e over the same span (down 60%).
What does a site EUI of 20.7 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. The Colony At Hawaii Kai Peninsula's 20.7 kBtu/ft² across 406,042 sq ft works out to about 8.4 billion Btu (2,463 MWh-equivalent) in 2025. The disclosure also reports 2,462,300 kWh of electricity and 49,105 thousand gallons of water for the year.
Which law requires The Colony At Hawaii Kai Peninsula to report its energy use?
The Colony At Hawaii Kai Peninsula 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:04QFJ3510154570:2025). 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
- Capitol Place· 405,626 sq ft · EUI 39.5 kBtu/ft²
- Ala Wai Plaza· 397,381 sq ft · EUI 16.6 kBtu/ft²
- Three Regents· 396,284 sq ft
- The Collection· 392,966 sq ft · EUI 44.6 kBtu/ft²
- Waiea· 386,950 sq ft · EUI 37.4 kBtu/ft²
- Keauhou Place· 378,389 sq ft · EUI 39.1 kBtu/ft²
- Multifamily Housing buildings in Honolulu· 378 benchmarked
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
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- Least efficient large buildings in Honolulu
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Frequently asked questions
What is The Colony At Hawaii Kai Peninsula's energy grade?
The Colony At Hawaii Kai Peninsula did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 20.7 kBtu/ft².
How much energy does The Colony At Hawaii Kai Peninsula use?
Its 2025 site energy-use intensity was 20.7 kBtu/ft² across 406,042 sq ft, including 2,462,300 kWh of electricity.
What are The Colony At Hawaii Kai Peninsula's carbon emissions?
The Colony At Hawaii Kai Peninsula reported 1,674 tCO₂e of greenhouse-gas emissions for 2025.
Where is The Colony At Hawaii Kai Peninsula?
The Colony At Hawaii Kai Peninsula is at 520 Lunalilo Home Rd, Honolulu, in Honolulu, Hawaii.
How big is The Colony At Hawaii Kai Peninsula and when was it built?
The Colony At Hawaii Kai Peninsula has 406,042 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is The Colony At Hawaii Kai Peninsula 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, “The Colony At Hawaii Kai Peninsula, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/the-colony-at-hawaii-kai-peninsula-616249a0 (data as of July 9, 2026).