Enphase Energy Microinverters Installed in over 3MW of San Diego Unified School District Solar Arrays

  Enphase Energy Microinverters Installed in over 3MW of San Diego Unified
  School District Solar Arrays

   Microinverter flexibility renders 125-building distributed solar project

Solar Power International 2013

Business Wire

PETALUMA, Calif. -- October 22, 2013

Enphase Energy, Inc. (NASDAQ: ENPH) announced today the successful completion
of a 125-building distributed solar project developed by Main Street Power
Company, Inc. using Enphase^® Microinverters. The flexibility of Enphase
technology in commercial solar allowed the project to be spread across 29
schools and two facilities buildings throughout the San Diego Unified School
District (SDUSD), with individual system designs varying in size and

Enphase Energy microinverters installed in over 3MW of solar projects
developed by Main Street Power ...

Enphase Energy microinverters installed in over 3MW of solar projects
developed by Main Street Power Company, Inc., for the San Diego Unified School
District. (Photo: Business Wire)

“Enphase is proud to have our trusted technology associated with a project
dedicated to educating children about alternative energy. Not only will the
students learn about their school’s rooftop solar in the classroom, but the
school district will benefit from reduced energy costs over the long term,”
said Bill Rossi, CMO of Enphase Energy.

Main Street Power has developed a K-12 solar education program to be
integrated into the schools’ science curriculum. In its “Train the Trainers”
program, Main Street Power will teach science teachers in the 29 schools where
solar was installed how to implement this new curriculum focused on renewables
and solar energy into their classrooms.

“Despite each building’s unique size and structure, Enphase made it possible
to maximize the array size on each rooftop, all using a single technology,”
said Eric Hinckley, senior vice president and chief technology officer of Main
Street Power. “Also, San Diego Unified School District turned to solar for its
environmental impact, but the money saved by the solar arrays will provide
more resources for teachers and students – a win-win for the community.”

Leveraging New Market Tax Credits, Main Street Power propagated development in
low-income areas, exposing the students and parents of 25 different schools to
the benefits of solar energy.

Enphase microinverters allowed Main Street Power and the San Diego Unified
School District to rely on one type of inverter technology to support 3.1MW of
arrays and more than 125 different systems designed using different angles,
orientations and sizes. Where challenging rooftop spaces would have made
sizing arrays logistically impossible with traditional inverters, flexible
microinverters can be customized to fit both the smallest of arrays as well as
megawatt-scale systems. The design diversity of SDUSD’s distributed 3.1MW
system exemplifies the flexibility and adaptive nature of Enphase technology.

About Enphase Energy, Inc.

Enphase Energy delivers microinverter technology for the solar industry that
increases energy production, simplifies design and installation, improves
system uptime and reliability, reduces fire safety risk and provides a
platform for intelligent energy management. Our semiconductor-based
microinverter system converts energy at the individual solar module level and
brings a systems-based, high technology approach to solar energy generation.
Connect with Enphase on Facebook and follow us on Twitter. www.enphase.com

About Main Street Power Company, Inc.

Main Street Power Company, Inc.delivers renewable power through distributed
generation solar projects. Main Street Power owns, and operates solar assets
at schools, colleges, cities, utilities, and nonprofits through a partnership
with MS Solar Solutions Corp. A commitment to solving social and environmental
problems through clean energy, local jobs creation, and solar science
education for children has earned Main Street Power a three-starGIIRSrating
by B-Lab, the global social impact rating organization.Visit the company
online atmainstreetpower.com.

Enphase Energy®, the Enphase logo and other trademarks or service names are
the trademarks of Enphase Energy, Inc.

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Enphase Energy
Christine Bennett, +1-707-763-4784
Global Corporate Communication Manager
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