WASHINGTON (AP) — The University of Maryland has won top overall honors in the U.S. Department of Energy’s Solar Decathlon.

The competition pits university designed solar-powered homes against each other. The homes have been on display this week on the National Mall’s West Potomac Park. There’s one last chance to see the winning home Sunday.

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Energy Secretary Steven Chu announced the winner Saturday.

Purdue University took second place, followed by New Zealand’s Victoria University in third.

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The competition involved 10 contests that gauge each house on factors including performance, livability and affordability. The winning home must produce as much or more energy than it consumes.

Maryland’s entry is called WaterShed. It includes water-saving as well as energy-saving technologies.

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