At a glance
Romer Waikiki - Leahi Tower is a 110,418-square-foot hotel at 2040 Kuhio Ave, Honolulu in Honolulu, Hawaii, built in 2014. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 72.3 kBtu/ft² and 1,159 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 72.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,159 tCO₂e |
| GHG intensity | — |
| Electricity | 1,474,290 kWh |
| Natural gas | 29,579 therms |
| Water use | 4,270 kgal |
| Gross floor area | 110,418 sq ft |
| Source record | honolulu:04QFJ2125054077:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 72.3 kBtu/ft² | 1,159 tCO₂e | |
| 2024 | 97 | ±0 | 28.4 kBtu/ft² | 538 tCO₂e |
| 2023 | 97 | 29.8 kBtu/ft² | 838 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
- 2040 Kuhio Ave, 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 Romer Waikiki - Leahi Tower compare with other hotel buildings in Honolulu?
The latest disclosures cover 60 hotel buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 72.3 kBtu/ft² is roughly in line with the average of 67.0 kBtu/ft².
At 110,418 sq ft, it is about 72% below the average floor area of 394,099 sq ft for those buildings. It was built in 2014, 35 years later than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².
How has Romer Waikiki - Leahi Tower's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Romer Waikiki - Leahi Tower, covering report years 2023–2025. Its ENERGY STAR score was 97 in both 2023 and 2024. Site EUI moved from 29.8 kBtu/ft² (2023) to 72.3 kBtu/ft² (2025), an 143% increase. Reported emissions went from 838 tCO₂e to 1,159 tCO₂e over the same span (up 38%).
What does a site EUI of 72.3 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. Romer Waikiki - Leahi Tower's 72.3 kBtu/ft² across 110,418 sq ft works out to about 8 billion Btu (2,340 MWh-equivalent) in 2025. The disclosure also reports 1,474,290 kWh of electricity, 29,579 therms of natural gas and 4,270 thousand gallons of water for the year.
Which law requires Romer Waikiki - Leahi Tower to report its energy use?
Romer Waikiki - Leahi Tower 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:04QFJ2125054077:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More hotel buildings in Honolulu
- Hokulani· 110,000 sq ft · EUI 70.0 kBtu/ft²
- Hampton Inn· 104,055 sq ft · EUI 46.9 kBtu/ft²
- Ohia Waikiki Studio Suites· 98,000 sq ft · EUI 80.8 kBtu/ft²
- Kaimana Beach Hotel· 93,785 sq ft · EUI 95.1 kBtu/ft²
- Palms At Waikiki· 89,143 sq ft · EUI 101.9 kBtu/ft²
- Pagoda Hotel· 88,807 sq ft · EUI 55.0 kBtu/ft²
- Hotel buildings in Honolulu· 60 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 Romer Waikiki - Leahi Tower's energy grade?
Romer Waikiki - Leahi Tower did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 72.3 kBtu/ft².
How much energy does Romer Waikiki - Leahi Tower use?
Its 2025 site energy-use intensity was 72.3 kBtu/ft² across 110,418 sq ft, including 1,474,290 kWh of electricity and 29,579 therms of natural gas.
What are Romer Waikiki - Leahi Tower's carbon emissions?
Romer Waikiki - Leahi Tower reported 1,159 tCO₂e of greenhouse-gas emissions for 2025.
Where is Romer Waikiki - Leahi Tower?
Romer Waikiki - Leahi Tower is at 2040 Kuhio Ave, Honolulu, in Honolulu, Hawaii.
How big is Romer Waikiki - Leahi Tower and when was it built?
Romer Waikiki - Leahi Tower has 110,418 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2014 as its year built. It is classed as hotel.
Is Romer Waikiki - Leahi Tower 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, “Romer Waikiki - Leahi Tower, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/romer-waikiki-leahi-tower-1e8e7c86 (data as of July 9, 2026).