Plaza at Moanalua
Senior Living Community in Honolulu, HI · 1280 Moanalualani Pl, Honolulu
At a glance
Plaza at Moanalua is a 90,554-square-foot senior living community building at 1280 Moanalualani Pl, Honolulu in Honolulu, Hawaii, built in 2012. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 41.6 kBtu/ft² and 750 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 41.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 750 tCO₂e |
| GHG intensity | — |
| Electricity | 1,103,047 kWh |
| Water use | 5,193 kgal |
| Gross floor area | 90,554 sq ft |
| Source record | honolulu:04QFJ1391063084:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 41.6 kBtu/ft² | 750 tCO₂e | |
| 2024 | 99 | 40.6 kBtu/ft² | 804 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
- 1280 Moanalualani Pl, 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 Plaza at Moanalua compare with other senior living community buildings in Honolulu?
The latest disclosures cover 12 senior living community buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 41.6 kBtu/ft² is roughly in line with the average of 38.2 kBtu/ft².
At 90,554 sq ft, it is about half of the average floor area of 171,938 sq ft for those buildings. It was built in 2012, 5 years later than the group's average year built (2007). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².
How has Plaza at Moanalua's energy performance changed over time?
BuildingCensus holds 2 Honolulu disclosures for Plaza at Moanalua, covering report years 2024–2025. Site EUI moved from 40.6 kBtu/ft² (2024) to 41.6 kBtu/ft² (2025), an 2% increase. Reported emissions went from 804 tCO₂e to 750 tCO₂e over the same span (down 7%).
What does a site EUI of 41.6 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. Plaza at Moanalua's 41.6 kBtu/ft² across 90,554 sq ft works out to about 3.8 billion Btu (1,104 MWh-equivalent) in 2025. The disclosure also reports 1,103,047 kWh of electricity and 5,193 thousand gallons of water for the year.
Which law requires Plaza at Moanalua to report its energy use?
Plaza at Moanalua 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:04QFJ1391063084:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More senior living community buildings in Honolulu
Frequently asked questions
What is Plaza at Moanalua's energy grade?
Plaza at Moanalua did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 41.6 kBtu/ft².
How much energy does Plaza at Moanalua use?
Its 2025 site energy-use intensity was 41.6 kBtu/ft² across 90,554 sq ft, including 1,103,047 kWh of electricity.
What are Plaza at Moanalua's carbon emissions?
Plaza at Moanalua reported 750 tCO₂e of greenhouse-gas emissions for 2025.
Where is Plaza at Moanalua?
Plaza at Moanalua is at 1280 Moanalualani Pl, Honolulu, in Honolulu, Hawaii.
How big is Plaza at Moanalua and when was it built?
Plaza at Moanalua has 90,554 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2012 as its year built. It is classed as senior living community.
Is Plaza at Moanalua 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, “Plaza at Moanalua, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/plaza-at-moanalua-f169a901 (data as of July 9, 2026).