Solar Integrated Technologies and GE Commercial Finance Energy Financial Services Team Up to Finance Solar Project Utilizing Uni-Solar Ovonic Solar Products San Diego's city schools will be the first to benefit from an agreement to fund new solar roofing projects

AUBURN HILLS, Mich., April 27, 2005 — United Solar Ovonic LLC, a wholly owned subsidiary of Energy Conversion Devices, Inc. (ECD Ovonics) (NASDAQ: ENER), today announced that Solar Integrated Technologies (SIT), a Los Angeles-based manufacturer of photovoltaic roofing systems for commercial and industrial buildings, has teamed up with GE Commercial Finance Energy Financial Services to fund SIT's solar roofing projects which utilize Uni-Solar Ovonic's flexible photovoltaic laminates. The first project will be with the San Diego City Schools with which SIT has a contract to install more than 2 MW of solar roofs. "We congratulate SIT on making this ground-breaking alliance in the energy sector," said Subhendu Guha, President and COO of Uni-Solar Ovonic. "We look forward to working with SIT to expand the penetration of solar products into the industrial roofing market." "Our roofing-integrated system incorporating Uni-Solar laminates is getting wide acceptance in the market," said Jon Slangerup, CEO of Solar Integrated. "The agreement with GE Commercial Finance Energy Financial Services will help us in expanding our market reach further." Stanford R. Ovshinsky, Chairman and CEO of Uni-Solar Ovonic and President and CTO of ECD Ovonics, said, "Our robust and flexible thin-film solar cells are ideally suited for building integrated photovoltaics, and we are delighted to work with SIT to address this market. We are doubling our production capacity to address the requirements of SIT and our other important customers around the world." About United Solar Ovonic United Solar Ovonic, building on technology invented and pioneered by ECD Ovonics, is the world leader in thin-film amorphous photovoltaics. Its 25-megawatt production equipment is the world's largest and most advanced machine for the manufacture of thin-film amorphous silicon alloy solar cells and related products used for a variety of applications ranging from charging batteries for solar lanterns to large solar farms for utility-scale applications. UNI-SOLAR® solar cells are lightweight, rugged and flexible, and are ideal as building-integrated photovoltaic roofing systems for residential and industrial customers. ECD Ovonics and Uni-Solar Ovonic hold the basic patents covering the continuous roll-to-roll manufacturing of thin-film amorphous silicon alloy multi-junction solar cells and related products. More information on Uni-Solar Ovonic can be found at www.uni-solar.com. About Solar Integrated Technologies Solar Integrated Technologies is a global leader in the manufacture and development of "building integrated" photovoltaic systems for commercial roofing and mobile power applications enabling the production of reliable, renewable and economic electrical power. Customers include Coca Cola Enterprises, Frito-Lay, San Diego City Schools and other municipal and blue chip companies. For more information, visit www.solarintegrated.com.

The Summer 2005 outlook provides the California Energy Commission staff's current assessment of electricity resource adequacy in California. It evaluates the capability of the electricity system to provide power to specific geographic areas in California to meet expected load.