BuildingCensus
D

2115 O'Nel Drive - Opi

Office in California, CA · 2115 O'Nel Drive, San Jose · 95131

At a glance

2115 O'Nel Drive - Opi is a 98,874-square-foot office building at 2115 O'Nel Drive, San Jose in San Jose, California, built in 1984. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 25 out of 100 (grade D), a site energy-use intensity of 100.6 kBtu/ft² and 607 tCO₂e of greenhouse-gas emissions. That score is higher than 8% of the 4,912 scored office buildings in California.

ENERGY STAR score
25
band D · 2024
Site EUI
100.6
kBtu/ft²
GHG emissions
607
tCO₂e
GHG intensity
6.1
kgCO₂e/ft²
Floor area
98,874
sq ft
Year built
1984
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 score25 (band D)
Site EUI100.6 kBtu/ft²
Source EUI—
GHG emissions607 tCO₂e
GHG intensity6.1 kgCO₂e/ft²
Electricity1,905,913 kWh
Natural gas32,986 therms
Gross floor area98,874 sq ft
Source recordcalifornia:6368050:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest25+6100.6 kBtu/ft²607 tCO₂e
202319+697.8 kBtu/ft²632 tCO₂e
202213-17111.6 kBtu/ft²699 tCO₂e
202130-497.6 kBtu/ft²558 tCO₂e
202034+591.8 kBtu/ft²560 tCO₂e
201929+694.4 kBtu/ft²605 tCO₂e
201823102.7 kBtu/ft²653 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.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
2115 O'Nel Drive, San Jose
State
California
ZIP
95131
Coordinates
37.37356, -121.92331

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 2115 O'Nel Drive - Opi compare with other office buildings in California?

The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 2115 O'Nel Drive - Opi's ENERGY STAR score of 25 compares with an average of 75 across the 4,912 that report a score; it scores higher than 8% of them and lower than 92%. Its site EUI of 100.6 kBtu/ft² is about 78% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.1 kgCO₂e/ft² is about 71% above the group average of 3.6 kgCO₂e/ft².

At 98,874 sq ft, it is about 35% below the average floor area of 151,937 sq ft for those buildings. Its 1984 construction date is close to the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 2115 O'Nel Drive - Opi's energy performance changed over time?

BuildingCensus holds 7 California disclosures for 2115 O'Nel Drive - Opi, covering report years 2018–2024. Its ENERGY STAR score went from 23 in 2018 to 25 in 2024 (+2 points); its best year on file was 2020, at 34. Site EUI moved from 102.7 kBtu/ft² (2018) to 100.6 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 653 tCO₂e to 607 tCO₂e over the same span (down 7%).

What does an ENERGY STAR score of 25 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 25 means the building performs better than about 25% of its national peers. BuildingCensus bands the score into report-card grades; 25 falls in band D — lowest band (1–54). It sits 50 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.

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. 2115 O'Nel Drive - Opi's 100.6 kBtu/ft² across 98,874 sq ft works out to about 9.9 billion Btu (2,915 MWh-equivalent) in 2024. The disclosure also reports 1,905,913 kWh of electricity and 32,986 therms of natural gas for the year.

Which law requires 2115 O'Nel Drive - Opi to report its energy use?

2115 O'Nel Drive - Opi reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:6368050:2024). 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.

More office buildings in California

Frequently asked questions

What is 2115 O'Nel Drive - Opi's energy grade?

2115 O'Nel Drive - Opi scores 25 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 2115 O'Nel Drive - Opi use?

Its 2024 site energy-use intensity was 100.6 kBtu/ft² across 98,874 sq ft, including 1,905,913 kWh of electricity and 32,986 therms of natural gas.

What are 2115 O'Nel Drive - Opi's carbon emissions?

2115 O'Nel Drive - Opi reported 607 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.

Where is 2115 O'Nel Drive - Opi?

2115 O'Nel Drive - Opi is at 2115 O'Nel Drive, San Jose, in San Jose, California 95131. Its coordinates are 37.37356, -121.92331 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 2115 O'Nel Drive - Opi and when was it built?

2115 O'Nel Drive - Opi has 98,874 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1984 as its year built. It is classed as office.

Is 2115 O'Nel Drive - Opi covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).

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About this data

Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “2115 O'Nel Drive - Opi, San Jose, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/2115-o-nel-drive-opi-7deacece (data as of July 9, 2026).