Energy Star

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California Cities Get High Marks for Energy Efficiency

San Francisco

Los Angeles tops a new ranking (PDF) of the 25 U.S. cities with the most energy efficient buildings, released by the Environmental Protection Agency.  With 293 Energy Star-rated buildings encompassing 76 million square feet of space, Los Angeles saves $93.9 million and reduces emissions equal that from electricity use by 34,800 homes, according to the EPA.

Washington, D.C. was ranked second, and San Francisco third.  Two other California cities made the top 25: Sacramento (16th) and San Diego (17th).  According to EPA data, San Francisco has 173 Energy Star buildings (including Hotel Nikko and One Embarcadero Center) that save an estimated $69.4 million in energy costs and reduce emissions equivalent to 24,700 homes. Sacramento and San Diego have 61 and 58, respectively.

As of the end of last year, 9,000 commercial buildings had been awarded Energy Star designation since 1999, representing a combined savings in utility costs of $1.6 billion and a reduction in GHG emissions equal to that of one million homes, according to the EPA.

Buildings that qualify for Energy Star are those that score in the top 25%, based on the EPA’s National Energy Performance Rating System, which compares energy use among facilities of similar types on a scale of 1-100.