920 Deguigne Drive
Office in California, CA · 920 De Guigne Drive, Sunnyvale · 94085
At a glance
920 Deguigne Drive is a 58,169-square-foot office building at 920 De Guigne Drive, Sunnyvale in Sunnyvale, California, built in 2000. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 62 out of 100 (grade C), a site energy-use intensity of 67.8 kBtu/ft² and 230 tCO₂e of greenhouse-gas emissions. That score is higher than 23% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 62 (band C) |
| Site EUI | 67.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 230 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 613,992 kWh |
| Natural gas | 17,096 therms |
| Gross floor area | 58,169 sq ft |
| Source record | california:45906493:2024 |
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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 920 De Guigne Drive, Sunnyvale
- City
- California
- State
- California
- ZIP
- 94085
- Coordinates
- 37.38568, -122.00551
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 920 Deguigne Drive compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 920 Deguigne Drive's ENERGY STAR score of 62 compares with an average of 75 across the 4,912 that report a score; it scores higher than 23% of them and lower than 76%. Its site EUI of 67.8 kBtu/ft² is about 20% 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 4.0 kgCO₂e/ft² is roughly in line with the group average of 3.6 kgCO₂e/ft².
At 58,169 sq ft, it is about 62% below the average floor area of 151,937 sq ft for those buildings. It was built in 2000, 15 years later than 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.
What does an ENERGY STAR score of 62 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 62 means the building performs better than about 62% of its national peers. BuildingCensus bands the score into report-card grades; 62 falls in band C — below median (55–69). It sits 13 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. 920 Deguigne Drive's 67.8 kBtu/ft² across 58,169 sq ft works out to about 3.9 billion Btu (1,156 MWh-equivalent) in 2024. The disclosure also reports 613,992 kWh of electricity and 17,096 therms of natural gas for the year.
Which law requires 920 Deguigne Drive to report its energy use?
920 Deguigne Drive 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:45906493:2024). 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
- Northeast C&O: Northeast C&O· 58,144 sq ft · score 100 (A)
- Benecia Macara-990 Benecia· 58,140 sq ft
- Rancho Cordova Building B· 58,133 sq ft · EUI 32.8 kBtu/ft²
- 9121 Oakdale· 58,133 sq ft · score 71 (B)
- Centre Pointe Plaza· 58,107 sq ft · score 99 (A)
- 39115 Trade Center Drive - Palmdale· 58,104 sq ft · score 78 (B)
- Office buildings in California· 6,214 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is 920 Deguigne Drive's energy grade?
920 Deguigne Drive scores 62 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 920 Deguigne Drive use?
Its 2024 site energy-use intensity was 67.8 kBtu/ft² across 58,169 sq ft, including 613,992 kWh of electricity and 17,096 therms of natural gas.
What are 920 Deguigne Drive's carbon emissions?
920 Deguigne Drive reported 230 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.
Where is 920 Deguigne Drive?
920 Deguigne Drive is at 920 De Guigne Drive, Sunnyvale, in Sunnyvale, California 94085. Its coordinates are 37.38568, -122.00551 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 920 Deguigne Drive and when was it built?
920 Deguigne Drive has 58,169 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2000 as its year built. It is classed as office.
Is 920 Deguigne Drive 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, “920 Deguigne Drive, Sunnyvale, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/920-deguigne-drive-7711a140 (data as of July 9, 2026).