Electrical contractors gain expanded dealer network for residential and commercial solar energy systems

ATLANTA, Feb. 1, 2011 — (PRNewswire) — Siemens Industry, Inc. and Enphase Energy Inc. announced today a supply and distribution agreement for the sale of Enphase's next generation of solar microinverter technology through the Siemens nationwide network of electrical equipment distributors. According to the agreement, Enphase will provide Siemens with solar microinverters and Enlighten, a web-based monitoring service to create reliable, turnkey solar photovoltaic (PV) energy solutions.

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"We believe that the combination of Enphase Energy's Microinverter System, integrated with our electrical distribution and safety products will set the stage for Siemens to become the premier provider of solar photovoltaic power solutions for businesses, homeowners and builders," said Barry Contrael, director, Siemens Low Voltage Business Unit. "Predicated on Enphase Energy's market-leading solution and proven reliability, the agreement enables us to expand into new markets and provide businesses and homeowners safe, affordable access to solar power."

The Enphase Microinverter System provides a modular, scalable platform to connect roof-mounted solar PV modules with a typical building's alternating current (AC) load center or panel board. Enphase microinverters offer a simple and compelling solution to complex system implementation problems and safety issues associated with the direct current (DC) output of today's solar PV modules. Electrical contractors will now have expanded access to the technologies and tools they need to deliver these systems to their commercial and residential customers.

"The combined capabilities of Enphase and Siemens will provide electrical contractors a unique "all-AC" solar solution ideally aligned with their current skill set and the needs of home and business owners," said Paul Nahi, CEO of Enphase Energy. "This agreement is a testament to our breakthrough technology and the rigor of Enphase's products, design techniques, testing and manufacturing processes. With over 500,000 microinverters deployed, this agreement further establishes Enphase as the proven, bankable leader in advanced microinverter systems technology."

By providing innovative per-module microinverter technology that dramatically simplifies system design and installation time, Enphase removes the technical barriers that have traditionally limited the growth of solar PV in commercial and residential applications. This combined with Siemens' proven power distribution and circuit protection technologies will ensure the growing demand for renewable energy is met with a solar system that remains safe, cost-effective and reliable throughout its lifetime.

About Enphase Energy Inc.

Enphase Energy provides solar energy management systems for residential and commercial markets. The company offers a system that includes high-efficiency microinverters, communications and web-based monitoring and analysis. The systems increase energy harvest, improve system reliability, and simplify design, installation and management. Founded in 2006 and based in Northern California, the company is led by veterans from the solar and high tech industries and backed by industry leaders. For more information about Enphase, please visit www.enphaseenergy.com.

About Siemens

Siemens Industry, Inc. is the U.S. affiliate of Siemens' global Industry Sector business—the world's leading supplier of production, transportation and building technology solutions. The company's integrated hardware and software technologies enable comprehensive industry-specific solutions for industrial and infrastructure providers to increase their productivity, sustainability and profitability. The Industry Sector includes six divisions: Building Technologies, Industry Automation, Industry Solutions, Mobility, Drive Technologies and Osram Sylvania. With nearly 204,000 Siemens Industry Sector employees worldwide, the Industry Sector posted a worldwide profit of $4.7 billion on revenues of $47.3 billion in fiscal 2010.   www.usa.siemens.com/Industry

Building Technologies

A division of Siemens Industry, Inc., Building Technologies is a leading provider of energy and environmental solutions, building controls, electrical distribution equipment, fire safety and security systems solutions. Building Technologies provides a full range of services and solutions from more than 100 locations coast-to-coast, enabling America's buildings to be more comfortable, secure and environmentally friendly as well as less costly to operate. Worldwide, it has nearly 42,000 employees and operates from more than 500 locations in 51 countries. The Building Technologies Division posted worldwide revenues of $9.3 billion in fiscal 2010. www.usa.siemens.com/buildingtechnologies

SOURCE Siemens Industry, Inc.

Contact:

Siemens Industry, Inc. Enphase Energy Inc. Building Technologies Steven Kuehn Phone: +1-847-941-6047 Email Contact Web: http://www.usa.siemens.com/Industry