Honolulu building energy benchmarking
Every building disclosed under Ordinance 22-17 (City & County of Honolulu) (Better Buildings Benchmarking), graded and cross-linked. Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Dataset updated . Source: Better Buildings Benchmarking public disclosure.
The map
No coordinates in this source
Honolulu's disclosure file publishes no latitude/longitude, so its buildings aren't mappable yet — pages are addressed by street address instead. We'll light the map up when the source (or a geocoding pass) provides coordinates.
The report card
Grade distribution
ENERGY STAR scores banded A (85–100) / B (70–84) / C (55–69) / D (1–54); buildings without a score excluded.
Large buildings (≥ 50,000 sq ft)
Most efficient
| Building | Score | Site EUI | Floor area |
|---|---|---|---|
| Aouo Aalii | A100 | 23.2 kBtu/ft² | 791,894 sq ft |
| 1350 Ala Moana | A100 | 12.6 kBtu/ft² | 559,572 sq ft |
| Lele Pono | A100 | 17.9 kBtu/ft² | 308,850 sq ft |
| Princess Leilani | A100 | 21.6 kBtu/ft² | 212,300 sq ft |
| Makaha Surfside | A100 | 34.8 kBtu/ft² | 180,349 sq ft |
| Makaha Beach Cabanas | A100 | 23.1 kBtu/ft² | 84,240 sq ft |
| Mountainview Terrace | A100 | 22.0 kBtu/ft² | 82,904 sq ft |
| Pearlridge Gardens & Tower | A99 | 31.6 kBtu/ft² | 216,804 sq ft |
| Rainbow Place | A99 | 41.7 kBtu/ft² | 61,255 sq ft |
| Moana Pacific | A98 | 35.1 kBtu/ft² | 763,892 sq ft |
Penalty exposure
Least efficient
| Building | Score | Site EUI | Floor area |
|---|---|---|---|
| Anaha | D12 | 58.0 kBtu/ft² | 467,513 sq ft |
| Halepuna Waikiki | D51 | 88.6 kBtu/ft² | 167,939 sq ft |
| Halekulani | C59 | 68.7 kBtu/ft² | 525,689 sq ft |
| 1833 Kalakaua | C59 | 42.9 kBtu/ft² | 106,632 sq ft |
| Pacific Park Plaza High Rise | C63 | 68.8 kBtu/ft² | 214,484 sq ft |
| First Hawaiian Center | B72 | 59.6 kBtu/ft² | 418,000 sq ft |
| Turtle Bay Resort | B74 | 90.3 kBtu/ft² | 444,865 sq ft |
| Hyatt Centric | B77 | 49.1 kBtu/ft² | 216,304 sq ft |
| Adventist-Ahcs-640 Ulukahiki St | A85 | 179.8 kBtu/ft² | 191,394 sq ft |
| Ilikai Marina | A88 | 30.7 kBtu/ft² | 494,782 sq ft |
Taxonomy
Property-type mix
| Property type | Buildings | Avg score | Avg site EUI |
|---|---|---|---|
| Multifamily Housing | 378 | A92 | 28.2 kBtu/ft² |
| Office | 64 | C65 | 48.1 kBtu/ft² |
| Hotel | 60 | C65 | 67.0 kBtu/ft² |
| Non-Refrigerated Warehouse | 37 | –— | 16.0 kBtu/ft² |
| Retail Store | 31 | –— | 58.1 kBtu/ft² |
| Distribution Center | 29 | –— | 17.9 kBtu/ft² |
| Self-Storage Facility | 20 | –— | 5.6 kBtu/ft² |
| Supermarket/Grocery Store | 13 | –— | 160.4 kBtu/ft² |
| Other | 13 | –— | 68.8 kBtu/ft² |
| Strip Mall | 13 | –— | 126.6 kBtu/ft² |
| Senior Living Community | 12 | –— | 38.2 kBtu/ft² |
| Other - Lodging/Residential | 12 | –— | 42.2 kBtu/ft² |
| Lifestyle Center | 11 | –— | 115.7 kBtu/ft² |
| Mixed Use Property | 11 | –— | 46.2 kBtu/ft² |
| Manufacturing/Industrial Plant | 10 | –— | 111.2 kBtu/ft² |
| K-12 School | 9 | –— | 37.3 kBtu/ft² |
| Vehicle Dealership | 9 | –— | 34.7 kBtu/ft² |
| Other - Mall | 8 | –— | 118.9 kBtu/ft² |
| Hospital (General Medical & Surgical) | 6 | A85 | 142.7 kBtu/ft² |
| Medical Office | 6 | –— | 65.4 kBtu/ft² |
Linked types have dedicated pages (25+ buildings).
The disclosure record
Reporting trend
| Year | Buildings reporting | Avg score | Avg site EUI | Total emissions |
|---|---|---|---|---|
| 2023 | 310 | 79 | 47.1 kBtu/ft² | 661,665 tCO₂e |
| 2024 | 444 | 84 | 44.2 kBtu/ft² | 831,512 tCO₂e |
| 2025 | 766 | — | 44.5 kBtu/ft² | 1,006,469 tCO₂e |
Honest data
Source caveats
- Covers all of Oʻahu (City & County of Honolulu), not just the urban core.
Frequently asked questions
How many buildings report energy use in Honolulu?
799 Honolulu buildings appear in the latest disclosure published under Ordinance 22-17 (City & County of Honolulu), of which 21 report an ENERGY STAR score (average 82).
What law requires Honolulu buildings to disclose energy use?
Ordinance 22-17 (City & County of Honolulu) — the Better Buildings Benchmarking program. Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Which Honolulu building emits the most carbon?
Ala Moana Center reported 44,658 tCO₂e in its latest disclosure year — the highest in Honolulu's data. See the full biggest-emitters ranking.