At a glance
Kapiolani Business Plaza is a 87,485-square-foot office building at 1580 Makaloa St, Honolulu in Honolulu, Hawaii, built in 1979. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 46.5 kBtu/ft² and 811 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 46.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 811 tCO₂e |
| GHG intensity | — |
| Electricity | 1,191,744 kWh |
| Natural gas | 48 therms |
| Water use | 2,902 kgal |
| Gross floor area | 87,485 sq ft |
| Source record | honolulu:04QFJ2035355021:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 46.5 kBtu/ft² | 811 tCO₂e | |
| 2024 | 54 | 49.7 kBtu/ft² | 917 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
- 1580 Makaloa 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
How does Kapiolani Business Plaza compare with other office buildings in Honolulu?
The latest disclosures cover 64 office buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 46.5 kBtu/ft² is roughly in line with the average of 48.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 87,485 sq ft, it is about half of the average floor area of 183,069 sq ft for those buildings. Its 1979 construction date is close to the group's average year built (1977). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Kapiolani Business Plaza's energy performance changed over time?
BuildingCensus holds 2 Honolulu disclosures for Kapiolani Business Plaza, covering report years 2024–2025. Site EUI moved from 49.7 kBtu/ft² (2024) to 46.5 kBtu/ft² (2025), a 6% decrease. Reported emissions went from 917 tCO₂e to 811 tCO₂e over the same span (down 12%).
What does a site EUI of 46.5 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. Kapiolani Business Plaza's 46.5 kBtu/ft² across 87,485 sq ft works out to about 4.1 billion Btu (1,192 MWh-equivalent) in 2025. The disclosure also reports 1,191,744 kWh of electricity, 48 therms of natural gas and 2,902 thousand gallons of water for the year.
Which law requires Kapiolani Business Plaza to report its energy use?
Kapiolani Business Plaza 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:04QFJ2035355021:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More office buildings in Honolulu
- Airport Financial Center· 84,200 sq ft · EUI 33.9 kBtu/ft²
- Kaimuki Plaza· 69,992 sq ft · EUI 40.4 kBtu/ft²
- 3650 Waialae LLC· 66,000 sq ft · EUI 18.6 kBtu/ft²
- Kaimuki Business Plaza· 64,943 sq ft
- 1240 Ala Moana Blvd· 62,647 sq ft · EUI 65.7 kBtu/ft²
- 151 Palii St.· 55,861 sq ft · EUI 59.1 kBtu/ft²
- Office buildings in Honolulu· 64 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 Kapiolani Business Plaza's energy grade?
Kapiolani Business Plaza did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 46.5 kBtu/ft².
How much energy does Kapiolani Business Plaza use?
Its 2025 site energy-use intensity was 46.5 kBtu/ft² across 87,485 sq ft, including 1,191,744 kWh of electricity and 48 therms of natural gas.
What are Kapiolani Business Plaza's carbon emissions?
Kapiolani Business Plaza reported 811 tCO₂e of greenhouse-gas emissions for 2025.
Where is Kapiolani Business Plaza?
Kapiolani Business Plaza is at 1580 Makaloa St, Honolulu, in Honolulu, Hawaii.
How big is Kapiolani Business Plaza and when was it built?
Kapiolani Business Plaza has 87,485 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1979 as its year built. It is classed as office.
Is Kapiolani Business Plaza 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, “Kapiolani Business Plaza, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/kapiolani-business-plaza-169e909d (data as of July 9, 2026).