Press Release

Advanced Enphase C250 Microinverter System brings cost and performance benefits to large community solar project

PETALUMA, Calif.--(BUSINESS WIRE)-- Enphase Energy, Inc. (NASDAQ: ENPH), and My Generation Energy, Inc., a southeastern Massachusetts-based solar installer and developer, announced today the completion and commissioning of the Sippican Community Solar Garden^® in Marion, Mass. The 900-kilowatt-DC commercial project is the largest North American installation to date featuring the advanced Enphase® C250 Microinverter System.

My Generation began construction on the site in January 2015. The installation, which features more than 3,200 Enphase C250 microinverters and LG Solar photovoltaic modules integrated onto a Unirac ground-mount array, was completed and interconnected to the grid in April.

With the electricity benefits enjoyed by more than a hundred members of a nonprofit consumer cooperative, the net-metered Sippican Community Solar Garden facility is expected to generate over 1,200 megawatt-hours per year. Suntility Electric LLC, a renewable energy services company, and My Generation operate and maintain the array as well as managing its net metering credit allocations to the cooperative.

"The Enphase commercial system provided significant cost, labor-saving and performance benefits to the Sippican project," said Luke Hinkle, manager of Suntility Electric and founder of My Generation Energy. "With the higher AC voltage, we could run longer branch circuits, use fewer combiner panels, and save on wiring costs. The design process was simpler, cleaner and less expensive. In addition, the system configuration avoids the need for secondary transformers, which reduces power losses and delivers more energy to the revenue-grade meter."

"This project represents a unique business model that allows cooperative members to share in the benefits of clean solar power," said Jeff Loebbaka, senior vice president of global sales, marketing and support at Enphase. "For a large-scale commercial project like Sippican Community Solar Garden, the reduction in the levelized cost of energy provided by the optimized Enphase C250 platform will improve the economics over the project's lifetime."

Specially designed and built for commercial projects, the C250 Microinverter incorporates Enphase's world-class microinverter technology to support three-phase 480VAC installations for 60- and 72-cell PV modules. The commercial system delivers optimal performance and enables installers to use less wiring and fewer balance-of-system components, thus significantly reducing labor and overall construction costs.

The comprehensive, concept-to-completion Enphase commercial solar solution includes the C250 microinverter system, HelioScope design software package, operations & maintenance services, and other features. To learn more, visit http://enphase.com/commercial-solution/complete/.

About My Generation Energy, Inc.

My Generation Energy is a Southeastern Massachusetts based installer and developer of solar facilities. In the past five years, My Generation Energy has installed over 4MW of solar power (17,000 panels) including hundreds of residential and small commercial systems in over 20 towns. A significant portion of this portfolio was developed under the Community Solar Garden and Unutility Electric® models for local-investor-owned projects. My Generation Energy has established a track record for on-time management with flawless inspections.

About Suntility Electric, LLC

Suntility's experience on renewable energy projects spans nearly 200 systems across Massachusetts providing a range of management services for solar and wind facilities to maximize production and expand the community benefits of these clean energy sources. Suntility's renewable energy management clients include community shared solar organizations, nonprofits, local business owners, finance organizations, commercial real estate investors, industrial property owners, municipalities, homeowners and more.

About Enphase Energy, Inc.

Enphase Energy delivers energy management 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. Its semiconductor-based microinverter system converts energy at the individual solar module level and brings a system-based high-technology approach to solar energy generation, storage, control and management. For more information, visit www.enphase.com.

Forward-Looking Statements

This press release may contain forward-looking statements, including statements related to Enphase Energy's financial performance, market demands for its products, advantages of its technology and market trends. These forward-looking statements are based on the company's current expectations and inherently involve significant risks and uncertainties. Actual results and the timing of events could differ materially from those anticipated in such forward-looking statements as a result of these risks and uncertainties and other risks detailed in the "Risk Factors" and elsewhere in Enphase Energy's latest Securities and Exchange Commission filings and reports. Enphase Energy undertakes no duty or obligation to update any forward-looking statements contained in this release as a result of new information, future events or changes in its expectations.

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

View source version on businesswire.com: http://www.businesswire.com/news/home/20150616005031/en/

Media contacts
Enphase Energy
Michelle Taylor, 707-763-4784
pr@enphaseenergy.com
or
My Generation Energy
Andrew Wade, 508-694-6884
andrew@mygenerationenergy.com
or
Suntility Electric
Michael Stone, 508-566-6322
michael@suntilityelectric.com

Source: Enphase Energy, Inc.

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