99-840 Iwaiwa
Refrigerated Warehouse in Honolulu, HI · 99-840 Iwaiwa St, Aiea
At a glance
99-840 Iwaiwa is a 43,720-square-foot refrigerated warehouse at 99-840 Iwaiwa St, Aiea in Honolulu, Hawaii, built in 1986. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 43.4 kBtu/ft² and 273 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 43.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 273 tCO₂e |
| GHG intensity | — |
| Electricity | 346,228 kWh |
| Natural gas | 7,166 therms |
| Water use | 621 kgal |
| Gross floor area | 43,720 sq ft |
| Source record | honolulu:04QFJ1253963766:2025 |
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
- 99-840 Iwaiwa St, Aiea
- 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 99-840 Iwaiwa compare with other refrigerated warehouse buildings in Honolulu?
The latest disclosures cover 5 refrigerated warehouse buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 43.4 kBtu/ft² is about 21% below the average of 55.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 43,720 sq ft, it is about 62% below the average floor area of 113,907 sq ft for those buildings. Its 1986 construction date is close to the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 472 refrigerated warehouse buildings average an ENERGY STAR score of 52 and a site EUI of 76.3 kBtu/ft².
What does a site EUI of 43.4 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. 99-840 Iwaiwa's 43.4 kBtu/ft² across 43,720 sq ft works out to about 1.9 billion Btu (556 MWh-equivalent) in 2025. The disclosure also reports 346,228 kWh of electricity, 7,166 therms of natural gas and 621 thousand gallons of water for the year.
Which law requires 99-840 Iwaiwa to report its energy use?
99-840 Iwaiwa 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:04QFJ1253963766:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More refrigerated warehouse buildings in Honolulu
Frequently asked questions
What is 99-840 Iwaiwa's energy grade?
99-840 Iwaiwa did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 43.4 kBtu/ft².
How much energy does 99-840 Iwaiwa use?
Its 2025 site energy-use intensity was 43.4 kBtu/ft² across 43,720 sq ft, including 346,228 kWh of electricity and 7,166 therms of natural gas.
What are 99-840 Iwaiwa's carbon emissions?
99-840 Iwaiwa reported 273 tCO₂e of greenhouse-gas emissions for 2025.
Where is 99-840 Iwaiwa?
99-840 Iwaiwa is at 99-840 Iwaiwa St, Aiea, in Honolulu, Hawaii.
How big is 99-840 Iwaiwa and when was it built?
99-840 Iwaiwa has 43,720 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1986 as its year built. It is classed as refrigerated warehouse.
Is 99-840 Iwaiwa 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, “99-840 Iwaiwa, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/99-840-iwaiwa-c8218238 (data as of July 9, 2026).