Plugging into the Sun: Solar Energy for the Future
Photovoltaics may be the ultimate energy source for the twenty-first century.
This grid-connected 1.8 kW system features Altair Energy’s Family-Safe system, which provides backup power for pre-selected appliances.
Photo Courtsey Altair Energy
The PV panels on this California roof are connected to the grid and have a battery backup. Shown here is a Silicon-Film SunUPS System with 4.8 kW-rated peak-array capacity.
Photo Courtsey AstroPower
Boston Edison commissioned this demonstration home, known as Impact 2000, to highlight future technology trends. The house features a 4.5 kW utility interactive PV system and solar thermal system, which form a uniform glass plane on the south roof.
Photo Courtsey Solar Design Associates
The roof of this Massachusetts house is composed of 480 Sunslates that generate almost 7,700 kilowatt hours annually. Electrical installation: Solar Works, Wilton, New Hampshire; roof and flashing: Copper and Slate, Waltham, Massachusetts.
Photo Courtsey Atlantis Energy Systems
PV shingles and slates such as this Sunslate from Atlantis Energy Systems can take the place of conventional roofing materials and generate electricity.