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Peter Gillespie, VP Corporate Sales and Marketing
Advanced Energy Industries, Inc.

Advanced Energy Announces $20M Follow-On Order from Centrotherm Photovoltaics for Solar Cell Applications

Company’s PEII Low-Frequency power product chosen as default-standard for high-growth crystalline solar applications

FORT COLLINS, Colo., March 2, 2011—Advanced Energy Industries, Inc. (NasdaqGM: AEIS) today announced a high-volume follow-on order from centrotherm photovoltaics AG, a leading technology and equipment provider for the photovoltaics sector. Advanced Energy, a preferred supplier to centrotherm photovoltaics since 2005, will provide the innovative PEII Series Power Supply platform to meet their rapidly growing demand for silicon crystalline solar manufacturing systems worldwide. Shipments are ongoing, and the $20M order extends through 2011.

Dr. Hans Betz, chief executive officer of Advanced Energy, commented, “Our relationship with centrotherm photovoltaics has been a strong partnership for many years. This additional order points to their continued confidence in our market-leading technology platform and global support capabilities. Our innovative PEII Series product line enables customers to improve efficiencies and cost-effectiveness – for maximum throughput quality – making it an invaluable addition to a high volume manufacturing environment.” He continued, “Our customer base continues to grow in the region, and we expect to benefit from continued market expansion with our leading and innovative products.”

The PEII Series of low frequency products are designed to be among the most reliable and highest-quality power supplies on the market, delivering repeatable, reliable performance. The system is ideally suited for PECVD and anti-reflective coating tools used in silicon crystalline solar cell manufacturing. It provides remarkable power density (>0.9), and the industry’s most advanced functionality including constant regulation, enhanced arc control, and an automated process safeguard capability that allows you to work through a fault condition. Designed to be among the most reliable and high quality power supplies available, all PEII systems include the Advanced Energy warranty for parts and labor.

About Advanced Energy

Advanced Energy (Nasdaq: AEIS) is a global leader in innovative power and control technologies for high-growth, thin-film manufacturing and solar-power generation. Advanced Energy is headquartered in Fort Collins, Colorado, with dedicated support and service locations around the world. For more information, go to
About centrotherm photovoltaics AG

centrotherm photovoltaics AG, which is based at Blaubeuren, Germany is the world's leading technology and equipment provider for the photovoltaics sector. The company equips well-known solar companies and new sector entrants with turnkey production lines and single equipment to manufacture silicon, crystalline solar cells and thin film modules. As a consequence, the Group possesses a broad and well-founded technological basis, as well as key equipment at practically all steps of the photovoltaics value chain. centrotherm photovoltaics guarantees its customers important performance parameters such as production capacity, efficiencies, and completion deadlines.