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AFA breaks ground on solar array
Officials with the Air Force Academy and Colorado Springs Utilities broke ground Nov. 1, 2010, on a solar array similar to the array at Nellis Air Force Base, Nev., shown here. Once complete, the Academy's $18-million array will provide approximately 6 megawatts of power to the base's electrical grid. (U.S. Air Force photo illustration; original photos/Johnny Wilson, left, and Airman Larry Reed)
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AFA breaks ground on 6-megawatt solar array

Posted 11/2/2010   Updated 11/2/2010 Email story   Print story


by John Van Winkle
U.S. Air Force Academy Public Affairs

11/2/2010 - U.S. AIR FORCE ACADEMY, Colo. -- The Academy broke ground for its latest and most ambitious solar energy project Monday.

The 6-megawatt solar array will occupy 30 acres on the Academy's southeast corner adjacent to Interstate 25 when it is completed in summer 2011.

The solar array is the result of a partnership between the Air Force Academy, Colorado Springs Utilities and SunPower, which is based in San Jose, Calif.

"It will cut our power from burning fossil fuels by 11 percent and, by the way, save us a half million dollars a year," said Lt. Gen. Mike Gould, the Academy superintendent.
This $18.3-million project is funded by the American Recovery and Reinvestment Act of 2009 as a result of government mandates for federal facilities to use increasing amounts of renewable energy.

Colorado Springs Utilities has contracted with SunPower to design, build, own, operate and maintain the plant. SunPower will sell the power generated at the plant to Colorado Springs Utilities for delivery to the Academy under a 25-year power purchase agreement.

"This solar power system will create local jobs, reduce the demand for fossil fuels, and improve air quality in our community," said CSU chief executive officer Jerry Forte. "We are confident that, with SunPower as our experienced solar provider, the Air Force Academy solar plant will be built to high quality standards and will meet forecast output over the 25-year life of the system."

The system will use high-efficiency SunPower solar panels with the SunPower Tracker system. The tracker follows the sun's movement during the day, increasing sunlight capture by up to 25 percent over conventional fixed-tilt systems while significantly reducing land use requirements. This technology has allowed the project to increase its top expected output, from when the stimulus dollars were allocated to the Academy, through the beginning of construction this week.

The 30-acre system will prove that solar power provides a secure, independent source of power in the United States, said Karen Butterfield, SunPower's director of federal accounts.

According to Environmental Protection Agency estimates, the system at the Air Force Academy will avoid more than 9,400 tons of carbon dioxide emissions each year, the equivalent of removing 40,900 cars from Colorado's highways over 25 years.
Academy senior leaders joined representatives from the City of Colorado Springs, Colorado Springs Utilities and SunPower to turn the first ceremonial shovel-fuls of dirt.

Col. Rick LoCastro, the 10th Air Base Wing commander, said the solar array is part of a much larger energy vision.

"From the development of the Academy's first energy strategic plan in 2009 to our all-encompassing 'Falcon Green' environmental program to the amazing solar array that we break ground on today, I'm here to tell you, we're just getting started," he said.

This solar array is the latest step in the Air Force Academy's Net-Zero Initiative, which sets a goal for the Academy to generate 100 percent of the electricity it needs via on-base renewable energy sources by the year 2015. Other Academy energy efforts include ongoing renovations, installation of solar panels on rooftops, the addition of hybrid and E-85 vehicles to the Academy's fleet and measures to reduce the base's overall energy use.

Monday's groundbreaking event was also powered by solar energy, with a little bit of sweat power thrown in. All electricity for the event was provided by a portable solar array on loan from the National Renewable Energy Laboratory to the Academy's Department of Electrical and Computer Engineering. Two instructors from the department set up the display, which provided 4 kilowatts of electricity to power the event.

Construction crews began large-scale operations Tuesday.

12/13/2010 11:23:54 AM ET
Thanks a lot for the upcoming eyesore we all get to look at for the rest of our lives. I hope some big wig gets huge gratification for this waste of tax money and the blight it causes. They could have built this thing completely out of sight but no to show off the great works we all have to look at this monster. Again thanks Air Force.
Daniel, Colorado Springs
11/8/2010 2:09:50 PM ET
A few comments. First I wouldn't tout the dollar savings since it will never pay for itself over its projected 25-year lifespan especially when you add in the maintenance and operating costs over those 25 years. I wonder what the assumptions were on the estimate of 40900 cars--were those cars that were built in the 1970s or 2010 It makes a big difference since emissions standards are a lot tougher now. Finally 30 acres right along the interstate So as visitors to the Academy travel up I-25 one of the first things they'll see will be a huge unsightly field of concrete and glass. I'm all for trying to generate energy using alternative renewable sources but we should be realistic about the benefits and costs.
Mike, Omaha
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