Solar-Powered Houses That'll Knock Your Lights Out

As severe weather wreaks havoc on our power-delivery systems, fuel costs soar and environmental consciousness increases, alternative and self-sustaining energy sources are garnering more interest than ever. But turning these alternatives into viable power sources for your average homeowner is no easy task.
Enter the solar decathlon. The event, a competition coordinated by the U.S. Department of Energy, challenges collegiate teams to design and construct affordable, solar-powered homes. The results go on display starting Sept. 23 on the National Mall, where the houses will be open to the public until Oct. 2. (That's Team Canada's TRTL -- pronounced "turtle" if we had to guess -- house above.)

Click on the pictures below to see some solar-powered homes now on the market:

Teams are eligible to win in three different categories: affordability (announced Sept. 27), engineering (Sept. 29) and communications (Sept. 30).

In recognition of this forward-thinking event, we've compiled a gallery of 10 of the niftiest houses to enter the competition. From Team China's thrifty "Y Container" and Team Massachusetts' time-savvy "4D Home" to New York's cityscape-minded "Solar Roofpod" and University of Illinois at Urbana-Champaign's disaster-relief "Re_Home," each student-designed home takes a different approach to harvesting sunlight. Click through our slideshow to see 10 of the coolest solars.

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Solar-Powered Houses That'll Knock Your Lights Out

The Appalachian State University team designed a home, "The Solar Homestead," that uses "outbuilding modules" that serve as independent solar collection cells and are based on the lean-to sheds that were common to traditional Appalachian homesteads. The outbuilding area, whose modules collect and convey renewable energy, can be used as a porch, outdoor kitchen, guest room, carport or storage shed.

See a solar home on the market. 

Team Canada's "TRTL" (Technological Residence that respects Traditional Living) offers two bedrooms and a large dining-cooking area and is outfitted with cutting-edge green techonlogy. Built with materials resistant to mold and fire, the design of the house's exterior pays homage to traditional homes of indigenous communities native to the area of Alberta, Canada.

See a solar home on the market. 

Made up of the University of South Florida, Florida State University, the University of Central Florida, and the University of Florida, Team Florida is fielding the "FLeX house," a home designed to suit the hot and humid climates of the schools' home state. Its name refers to the home's spatial flexibility: inhabitants may adjust moveable components to rearrange its layout.

See a solar home on the market. 

The University of Illinois returns to the competition with the" Re_home," a house designed to be a more sustainable housing option for natural disaster victims. The home is about 1,000 square-feet, uses low-cost materials, can be assembled within hours and - with its solar-power apparatus - ensures immediate power supply to victims who might otherwise be left without electricity in the aftermath of a disaster.

See a solar home on the market. 

Paying special attention to affordability, Team China's home, the "Y Container" fits together shipping containers to create a Y-shaped structure. The home, capped with solar panels, features a deck that collects water, super-insulating materials and air ventilation, all of which reduce energy costs.

See a solar home on the market. 

The Southern California Institute of Architecture and California Institute of Technology teamed up to create "CHIP," short for Compact House Infinite Possibilities, which gleefully departs from any recognizable style of home. Wrapped in a skin of "outsulation" that makes the home airtight and water-resistant and capped by solar panels, the home's interior is terraced to create a bed-groom-dress-eat-live-work progression that you walk up and walk down to begin and end your day. The home is outfitted with technology that uses excess heat to boil hot water and also has an automation system that displays exact measurements of the home's energy usage.

See a solar home on the market. 

Designed by Hampton and Old Dominion universities, who have partnered for the competition, the Unit 6 "Unplugged" aspires to encapsulate the "Arts and Crafts" character of homes native to Norfolk, Va. One of the home's most distinctive features is its sunspace, which functions as a porch in the summer and heat sink in the winter. 

See a solar home on the market. 

Comprised of Massachusetts College of Art and Design and the University of Massachusetts at Lowell, Team Massachusetts' entry is a compact, energy-efficient home designed to accommodate a family of three. The "4D" home tips its hat to time by taking into account the changes families go through over the years. Moving walls allow inhabitants to re-structure the home's interior to suit their needs. For example, if a child moves out of the house, his parents may eliminate his room. The solar trellis outside provides shade for the house in addition to supporting a solar array. The team plans to sell the house for a reduced price after the competition.

See a solar home on the market. 

Coming from an institution that has committed to being carbon-neutral by 2016, Middlebury's team used exclusively natural building materials like sustainably harvested wood, recycled insulation and natural finishes to construct "Self-Reliance," named after the essay by Ralph Waldo Emerson. Influenced by the design of the traditional New England farmhouse, the home is entirely solar-powered, costs less than $250,000 and, though smaller than your average house, makes efficient use of its space to accommodate a family of four.

See a solar home on the market. 

Catering to Manhattan's concrete jungle, the "Solar Roofpod" is designed to sit atop mid-rise buildings. The home has a solar trellis that supports the solar array and solar thermal collectors that spread heat through a radiant floor system.

See a solar home on the market. 


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