BuildingCensus
C

121 Theory

Office in California, CA · 121 Theory, Irvine · 92617

ENERGY STAR score
63
band C · 2024
Site EUI
52.4
kBtu/ft²
GHG emissions
211
tCO₂e
GHG intensity
3.3
kgCO₂e/ft²
Floor area
63,440
sq ft
Year built
1999
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score63 (band C)
Site EUI52.4 kBtu/ft²
Source EUI
GHG emissions211 tCO₂e
GHG intensity3.3 kgCO₂e/ft²
Electricity755,005 kWh
Natural gas7,462 therms
Gross floor area63,440 sq ft
Source recordcalifornia:4325273:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest63+1352.4 kBtu/ft²211 tCO₂e
202350+1060.3 kBtu/ft²258 tCO₂e
202240+1062.7 kBtu/ft²273 tCO₂e
202130+880.6 kBtu/ft²299 tCO₂e
202022+889.2 kBtu/ft²354 tCO₂e
201914+3100.3 kBtu/ft²426 tCO₂e
201811106.3 kBtu/ft²453 tCO₂e

Compliance context

AB 802 (Public Resources Code §25402.10)

AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
121 Theory, Irvine
State
California
ZIP
92617
Coordinates
33.64254, -117.85725

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

Frequently asked questions

What is 121 Theory's energy grade?

121 Theory scores 63 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 121 Theory use?

Its 2024 site energy-use intensity was 52.4 kBtu/ft² across 63,440 sq ft, including 755,005 kWh of electricity and 7,462 therms of natural gas.

What are 121 Theory's carbon emissions?

121 Theory reported 211 tCO₂e of greenhouse-gas emissions (3.3 kgCO₂e/ft²) for 2024. AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.

Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:4325273:2024.