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The Top Five Most Energy Efficient States in America

Downtown Los Angeles SkylineThe Environmental Protection Agency (EPA) releases an annual list of the top 25 energy efficient states in America. It may come as a surprise that a few of the largest cities are actually ranked in the top five slots. The ratings are based on the number of ENERGY STAR certified buildings in each city and the amount of energy saved. President Obama set a goal to reduce the amount of energy waste by businesses by 50% over the next 20 years, and these cities are leading the nation in that effort.

There are more than 20,000 ENERGY STAR certified buildings in the United States that have cut annual energy expenditures by $2.7 billion. This savings equates to the annual consumption of enough electricity to power more than two million homes. Commercial buildings alone account for 17% of greenhouse gas emissions in the United States. However, from 2012 to 2013, the EPA saw a 24% cumulative increase of ENERGY STAR certifications for commercial buildings. To receive an ENERGY STAR certification, a commercial building must perform within the top 25% of similar buildings, and reduce energy consumption and emissions by 35%.

Los Angeles, CA holds the top spot for the most energy efficient city in the country with a total of 528 ENERGY STAR certified buildings. Washington, DC takes second place with 462 buildings, Chicago, IL with 353 buildings, New York City, NY with 325, and Atlanta, GA with 304. Collectively, these cities have saved $551.4 million in annual energy costs and offset the emissions equal to powering nearly 372,000 homes.


# of Certified Buildings

Cost Savings

Home Emissions Offset

Los Angeles


$134.8 million


Washington, DC


$127.4 million


Chicago, IL


$92.3 million


New York City, NY


$144.6 million


Atlanta, GA


$52.3 million



Source 1, Source 2

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