5455 Great America

How does 5455 Great America compare with other office buildings in California?

The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 5455 Great America's ENERGY STAR score of 100 compares with an average of 75 across the 4,912 that report a score; it scores higher than 91% of them. Its site EUI of 11.7 kBtu/ft² is about 79% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.8 kgCO₂e/ft² is about 78% below the group average of 3.6 kgCO₂e/ft².

At 149,608 sq ft, it is roughly in line with the average floor area of 151,937 sq ft for those buildings. It was built in 2013, 28 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.

How has 5455 Great America's energy performance changed over time?

BuildingCensus holds 7 California disclosures for 5455 Great America, covering report years 2018–2024. Its ENERGY STAR score went from 30 in 2018 to 100 in 2024 (+70 points); its best year on file was 2022, at 100. Site EUI moved from 121.1 kBtu/ft² (2018) to 11.7 kBtu/ft² (2024), a 90% decrease. Reported emissions went from 1,160 tCO₂e to 121 tCO₂e over the same span (down 90%).

What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 5455 Great America's 11.7 kBtu/ft² across 149,608 sq ft works out to about 1.8 billion Btu (513 MWh-equivalent) in 2024. The disclosure also reports 532,483 kWh of electricity and 5 therms of natural gas for the year.

Which law requires 5455 Great America to report its energy use?

5455 Great America 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:4124034:2024). 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.