SunPower Corporation
Nov 3, 2008

Sunlight Solar Energy Wins SunPower 'Intelegant Award for Excellence' in Residential Solar System Installation

Sunlight Solar Energy Wins SunPower 'Intelegant Award for Excellence'

SAN JOSE, Calif. and MILFORD, Conn. - November 3, 2008 - SunPower Corporation (Nasdaq: SPWRA, SPWRB), a Silicon Valley-based manufacturer of high-efficiency solar cells, solar panels and solar systems, today announced that Sunlight Solar Energy of Milford, Conn., a SunPower Premier Dealer, has won the SunPower 'Intelegant Award for Excellence' in residential solar-electric power system installation. Sunlight Solar received the award for its installation of a 5-kilowatt SunPower solar system on the Westport, Conn., home of Silvia and Geoff Durno.

The SunPower Intelegant Award recognizes residential SunPower solar-electric power system installations that exemplify SunPower's commitment to excellence in aesthetics, quality and performance. Award-winning installations are selected for the quality of the design and installation as well as homeowner satisfaction.

"Solar power helps homeowners achieve significant reductions in utility costs, especially in Connecticut, where we have some of the highest electric rates in the nation," said Sunlight Solar President and Founder Paul Israel. "Sunlight Solar is committed to providing the highest quality workmanship and materials, and to helping our customers determine the right solar solution for their home. We are very proud to receive this award from SunPower."

"Sunlight Solar did a very nice job installing our solar-electric system. We've already seen a reduction in our electric bills of approximately 30 percent, and SunPower's all-black solar panels are quite attractive, too," said Silvia Durno. "Our advice to other homeowners? Don't wait - install solar now!"

There are more than 400 residential and small commercial solar installers in the SunPower global dealer network. Dealers are provided training in the installation of SunPower products, and work closely with the company to provide customers with superior levels of service.

About Sunlight Solar Energy
Sunlight Solar Energy, Inc., located in Milford, Conn., and Bend, Ore., is committed to providing our customers with the highest quality grid-tied solar electric installation for their home or business. As one of the leading photovoltaic design and installation contractors in the US, we are proud to be a SunPower Premier Dealer and to offer SunPower components to our customers. Sunlight Solar provides a professional system design and installation experience, complete with excellent communication, timely follow-up and outstanding customer service. Our turn-key installation includes all permits and incentive paperwork for our customers' ease and convenience. For more information, go to www.sunlightsolar.com.

About SunPower Corporation
SunPower Corporation (Nasdaq: SPWRA, SPWRB) designs, manufactures and delivers high-performance solar electric systems worldwide for residential, commercial and utility-scale power plant customers. SunPower high-efficiency solar cells and solar panels generate up to 50 percent more power than conventional solar technologies and have a uniquely attractive, all-black appearance. With headquarters in San Jose, Calif., SunPower has offices in North America, Europe, Australia, and Asia. For more information, visit www.sunpowercorp.com.

SunPower is a registered trademark of SunPower Corp. All other trademarks are the property of their respective owners.

Editor's Note: A photo of the award-winning installation can be found on SunPower's website at http://investors.sunpowercorp.com/releases.cfm.

Ingrid Ekstrom
SunPower Corporation
iekstrom@sunpowercorp.com
510-260-8368

Diana Bercury
Sunlight Solar Energy
diana.bercury@sunlightsolar.com
203-878-9123 ext 221