Los Angeles tops U.S. cities for Energy Star-certified buildings

For the fifth year in a row, Los Angeles is No. 1 among U.S. cities for the number of Energy Star-certified buildings with 528 in its portfolio.

It is followed by Washington, D.C., with 462 buildings, Chicago with 353 buildings (growing on average 32 percent a year) and New York with 325 buildings.

There are now more than 20,000 Energy Star-certified buildings in the U.S. This saves a total of $2.7 billion in annual utility bills. It also prevents more than 2 million homes' worth of greenhouse gas emissions.

In 2012 alone more than 8,200 buildings earned Energy Star certification. The breakdown is below:

Next page: Increasing trend for decreasing energy use.