Major electric utility buys US Solar Decathlon winner

January 30, 2012, University of Maryland
This is the Solar Decathlon winner, WaterShed. Credit: UMD Solar Decathlon Team

WaterShed, the international-prize-winning solar house built by University of Maryland students, faculty and professional partners, has found a buyer and a permanent site: Electric service provider Pepco is purchasing the high-tech building, and plans to locate it at one of its facilities in Montgomery County, Maryland.

The purchase secures WaterShed's future and will make its and design available to the public for educational purposes, the parties explain.

Under the arrangement, Pepco and the University will partner on its operation, monitor its performance, conduct ongoing research and work closely on designing educational materials about WaterShed.

The house will serve as a "living classroom and laboratory" to demonstrate smart, clean energy options, blending its original technological and design innovations with Pepco's own advanced technology, such as its smart thermostats and home-based electric vehicle charging stations.

After its win at the U.S. Department of Energy's Solar Decathlon last October, WaterShed was disassembled and moved from the National Mall to College Park, awaiting a final home and buyer. Ultimately, PEPCO's proposal was selected because the company shared the team's vision of using the house to educate the public about sustainable, affordable and beautiful design, University officials explain.

"In purchasing this home, Pepco is recognizing the hard work, commitment and creativity of the University of Maryland's Solar Decathlon 2011 Team," says the company's Vice President of Business Transformation Karen Lefkowitz. "Their achievement cannot be overstated."

WaterShed overcame fierce competition by 19 other collegiate teams from around the world, each challenged to design, build, and operate solar-powered houses that are cost-effective, energy-efficient, and attractive. Like all of the Decathlon entries, WaterShed runs solely on solar power, but is also constructed to harvest, recycle and reuse water. Unique design elements, such as "manufactured wetlands" that both protect and produce resources, set WaterShed apart in the competition.

"The team is thrilled with Pepco's commitment because it ensures that WaterShed will continue to have a public voice," says the project's principal investigator Amy Gardner, an associate professor of Architecture at the University Maryland. "WaterShed speaks to the viability and untapped potential of sustainable strategies and technologies. It reminds us of the task before us - stewardship of the environment in which we live. The partnership of the University with PEPCO to further develop and teach these strategies is a fitting homage to the collaborative nature of the project."

Pepco plans to open WaterShed to the public at one of its Montgomery County facilities, though a final site selection has not yet been made. The plan is to use it for conferences, educational presentations and occasional public tours. It will also serve Pepco as an energy testing facility. University researchers will continue measuring performance of its various systems to assess its long-term operation.

"This is an unusual example of technology transfer to the commercial sector, and we're delighted to collaborate with Pepco in WaterShed's second act," says University of Maryland President Wallace Loh. "Our students, faculty, and the community of mentors that made this achievement possible, developed a patent-pending innovation, along with a series of design innovations that have attracted international interest from communities dealing with water-related issues. Their ideas will continue to reverberate in our region thanks to Pepco's purchase."

Under the agreement of sale, Pepco is covering WaterShed's outstanding project costs and will pay for its transport and reassembly. The sale price was not disclosed.

The agreement also draws on the WaterShed team's expertise to facilitate its transport and siting. Student team members will serve as docents once the facility opens, explaining to visitors the house's capabilities and design features.

"The WaterShed team took on a double challenge when it built a house that would run on the sun and address a significant source of Chesapeake Bay pollution, so its first-place performance on the international stage was more than a major source of pride," says Maryland Governor Martin O'Malley. "We're extremely pleased that Pepco has agreed to provide a permanent home for WaterShed, so that its educational impact and research can continue."

The Maryland team designed WaterShed to help reduce storm water runoff. The house harmonizes modern, traditional, and simple building strategies, balancing time-tested best practices and advanced technological solutions to achieve high efficiency performance in an affordable manner, the team explains. Its winning design includes several technical innovations, including a patent-pending indoor waterfall that provides humidity control in an aesthetically pleasing manner.

"We inspired ourselves and thousands of others through the Solar Decathlon, but an organization such as Pepco has the resources and power to reach millions," says Leah Davies, WaterShed student team leader. "With Pepco, can serve as an educational backbone for future innovations in residential energy use - just as we designed it!"

The 200-member UMD Team includes students and faculty from the Maryland School of Architecture, Planning and Preservation, the A. James Clark School of Engineering, the College of Agriculture and Natural Resources, the College of Computer, Mathematical, and Natural Sciences, and the University Libraries. Maryland businesses and professional groups provided significant financial and mentoring support as well.

Explore further: UMD Solar Decathlon team unveils 'WaterShed'

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