BuildingCensus

Century Square

Office in Honolulu, HI · 1188 Bishop St, Honolulu

ENERGY STAR score
not reported · 2025
Site EUI
47.9
kBtu/ft²
GHG emissions
1,591
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
177,289
sq ft
Year built
1981
vintage

Ordinance 22-17 (City & County of Honolulu) · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score
Site EUI47.9 kBtu/ft²
Source EUI
GHG emissions1,591 tCO₂e
GHG intensity
Electricity2,285,718 kWh
Natural gas7,014 therms
Water use7,115 kgal
Gross floor area177,289 sq ft
Source recordhonolulu:04QFJ1834556959:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest47.9 kBtu/ft²1,591 tCO₂e
202484-749.7 kBtu/ft²1,741 tCO₂e
20239149.4 kBtu/ft²1,786 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
1188 Bishop St, 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

Frequently asked questions

What is Century Square's energy grade?

Century Square did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 47.9 kBtu/ft².

How much energy does Century Square use?

Its 2025 site energy-use intensity was 47.9 kBtu/ft² across 177,289 sq ft, including 2,285,718 kWh of electricity and 7,014 therms of natural gas.

What are Century Square's carbon emissions?

Century Square reported 1,591 tCO₂e of greenhouse-gas emissions for 2025. 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 disclosure, record honolulu:04QFJ1834556959:2025.