Antelope Ridge Apartments

How does Antelope Ridge Apartments compare with other multifamily housing buildings in California?

The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Antelope Ridge Apartments's ENERGY STAR score of 24 compares with an average of 82 across the 9,612 that report a score; it scores higher than 4% of them and lower than 96%. Its site EUI of 66.7 kBtu/ft² is about twice the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about twice the group average of 2.1 kgCO₂e/ft².

At 261,632 sq ft, it is about 73% above the average floor area of 150,919 sq ft for those buildings. It was built in 2010, 22 years later than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

What does an ENERGY STAR score of 24 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 24 means the building performs better than about 24% of its national peers. BuildingCensus bands the score into report-card grades; 24 falls in band D — lowest band (1–54). It sits 51 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. Antelope Ridge Apartments's 66.7 kBtu/ft² across 261,632 sq ft works out to about 17.5 billion Btu (5,114 MWh-equivalent) in 2019. The disclosure also reports 1,546,921 kWh of electricity and 131,974 therms of natural gas for the year.

Which law requires Antelope Ridge Apartments to report its energy use?

Antelope Ridge Apartments 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 2019 disclosure (source record california:7057376:2019). 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.