





he World Is Flat" author Tom Friedman noted in a June column that the world is also quite fat: Specifically, that the Global Footprint Network calculates that our current growth rate is using 1.5 earths' worth of resources, thus "eating into our future," wrote Friedman.
The U.S. Environmental Protection Agency says commercial buildings account for 18 percent of the nation's energy use and spend more than $100 billion annually on energy costs. On average, says the EPA, 30 percent of the energy used in commercial buildings is wasted. But communities, companies, institutions and even individual buildings are doing their part to trim the world's waste lines.
Proof of growing energy awareness comes in the form of this year's second annual EPA Energy Star "Battle of the Buildings" national building competition, which got under way in early May. Buildings are evaluated according to their Energy Use Intensity (EUI), which is calculated by dividing the amount of energy a building consumes in one year (measured in kBtu) by its total floor space. The building with the greatest one-year reduction in EUI between Aug. 31, 2010, and Aug. 31, 2011, is declared the winner, though the EPA adjusts each building's percentage to normalize for weather, thereby ensuring that no building is credited or penalized due to changes in weather over the course of the competition.
Site Selection readers will recall that last year's competition featured teams from 14 buildings. This year's contestants number 245. Participants benchmark their building's monthly energy use with EPA's online energy measurement and tracking tool, Portfolio Manager.
EPA Press officer Stacy Kika says the agency can't share its EUI tracking so far, but says the next update will be announced July 27. Asked whether other criteria besides straight EUI improvement will be used to cull down the initial group, she says, "We expect that announcement to highlight 10 to 15 buildings of diverse types, locations, sizes, energy intensity, etc."
Last year's 14 buildings reduced their energy consumption by more than 44 million kBtu per year, saved more than $950,000, and reduced greenhouse gas emissions equal to the annual electricity use of nearly 600 homes. Lighting changes were among the most popular steps taken. For instance,
The winner of last year's competition was Morrison Residence Hall at the
Profiling the Competition
This year's competitors hail from 33 states and the
The top 10 states with entries account for 162, or two-thirds, of the total competitors. The numbers may speak to heightened environmental awareness in those territories, most room for improvement, or some combination of the two. Also factoring is healthy competitive instincts, especially involving schools. UNC again has a couple residence halls in the mix. And individual cities with numerous entries are led by such communities as
In order of number of competitors, the leading states are:
The breakdown by building type is as follows:
Twenty-five other buildings include a library, a fire station, university buildings, museums, a convention center, and a performing arts center. And one of them is the U.S. Mint, as it tries to raise its green profile beyond the color of its currency.
As far as major developers and property managers go, a whopping 17 contestants were entered by USAA, followed by nine from Jones Lang LaSalle and six from CB Richard Ellis.
While many of the facilities are from the public sector, among the corporate and private-sector contestants are Kimberly-Clark's world headquarters in Irving, Texas (current EUI: 295.3); Haworth's LEED-Gold headquarters in Holland, Mich. (EUI: 135.5); the appropriately named Energy Plaza building in Dallas, Texas (EUI: 230.4); Caterpillar's AC building in Mossville, Ill. (EUI: 282.2); Intuit facilities in Tucson, Ariz. (EUI: 300.2) and Reno, Nev. (292.1 and 467.3) and Boeing Building 4 at the 350-acre Central Ohio Aerospace and Technology Center (COATC) campus in Heath, Ohio, with a relatively high EUI of 574.3, and thus a promising chance to show the most improvement.
Some are starting from an advanced energy-efficiency position. The Greater Waco Chamber's building was just built in 2007, is already LEED-Gold certified, and is 22-percent more energy-efficient than a standard comparable building. It has one of the lowest starting EUIs in the competition, at 68.9.
"We are committed to improving our energy efficiency," said Chamber President and CEO Jim Vaughan at the start of the contest in May, "and we look forward to seeing how the country's first green chamber building measures up against other buildings across the nation."
Some Tips from the Pros
The following tips were collected from contestants in last year's national building competition:
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