Power-One will present the AURORA ULTRA, the world’s largest solar inverter, at London’s Ecobuild 2012 tradeshow. Ecobuild will take place at ExCeL London, United Kingdom, from March 20 to 22, 2012.

Ecobuild, London – March 15, 2012 – Power-One, Inc. (Nasdaq:PWER), a leading provider of renewable energy and energy-efficient power conversion and power management solutions, today announced that the company will present the AURORA ULTRA, the world’s largest solar inverter, at London’s Ecobuild 2012 tradeshow. Ecobuild will take place at ExCeL London, United Kingdom, from March 20 to 22, 2012.

Advertisement

With an output of up to 1.5MW, the AURORA ULTRA has been designed with the specific needs of large commercial and utility-scale solar power plants in mind and perfectly meets the demand of the changing UK solar market. Falling technology prices combined with the rising costs of fossil fuels are making large solar parks increasingly attractive for investors – despite the recent feed-in tariff reductions.

“We are convinced that utilities will play a major role in the future of the UK PV market,” said David Lowen, Director of UK Sales for Power-One. “According to pvresources, an internet service specializing on global market reviews on large-scale PV power plants, the costs for large installations have dropped by 66 per cent from six million Euros per MW in 2008 to two million Euros in 2011. For 2012, analysts are expecting a further reduction of PV component costs by another 20 per cent. Solutions like our AURORA central inverter systems, which help to reduce the system-level BOS and the lifecycle costs are the perfect choice for operators of large and utility-scale systems to maximise the return of investment of their installation.“

The new AURORA ULTRA offers industry-leading power conversion efficiencies of up to 98.7 percent over a wide input voltage range. Four high-speed MPPT channels optimize energy harvesting across a wide array of operating conditions. Another main feature of the new system is its IP65 enclosure with passive liquid cooling, which allows segregating the active parts of the unit in a watertight and pollution-free chamber, further improving the system long-term immunity against aggressive agents in the harshest environments. This also extends the maintenance cycle and reduces the costs of maintenance.

Thanks to its innovative circuit topology the output voltage is 690Vac which allows a significant reduction of AC losses and the possibility of direct coupling with LV/MV standard transformer used in the large wind industry.

Since its modular structure is made of front accessible and extractible subassemblies, installation and maintenance procedures are rather easy. This large inverter system can be monitored via Ethernet communication and two independent RS-485 communication interfaces for inverter and intelligent string combiner monitoring.

To learn more about Power-One’s AURORA® inverter products, please visit www.power-one.com/renewable-energy.

About Power-One

Power-One is the world’s second largest designer and manufacturer of photovoltaic inverters. Its renewable energy products enable the industry’s highest yielding conversion of power from both solar arrays and wind farms for use by utilities and homes. Power-One has a 40 year history as the leader in high efficiency and high density power supply products for a variety of industries including renewable energy, data storage and networking, industrial and network power systems. The company is headquartered in Camarillo, CA and has global sales offices, manufacturing, and R&D operations in Asia, Europe, and the Americas. Power-One is traded on NASDAQ under the ticker symbol PWER. For more information about the Company, please visit www.Power-One.com.

Contacts:

For Press Enquiries please contact

Regina Kirchmann, Edelman Deutschland (Munich)

Tel.: +49 (89) 413 01 823, Email: Regina.Kirchmann@Edelman.com

For Investor Relations please contact

Kevin Trosian, Vice President, Finance and Investor Relations

Tel.: +1 (805) 383 5888, Email: Investor.Relations@Power-One.com

Announcement from our Chairman, David C BarclayThe World Renewable Energy Association are delighted to announce the launch of a brand-new initiative exclusively for its members. The Renewable Energy Finance Hub has been launched following the largest survey undertaken with UK businesses conducted by WoREA in conjunction with the UK Government and its partners. Reduce your businesses carbon footprint today and begin your journey towards net zero!