Evergreen Solar Showcases Solar Power at Deutsche Bank Championship

September 3, 2009

Solar installation will help offset power used during PGA TOUR Playoff event at Deutsche Bank Championship at TPC Boston

MARLBORO and NORTON, Mass. (September 3, 2009) – Evergreen Solar, a manufacturer of STRING RIBBON™ solar power products with its proprietary, low-cost silicon wafer manufacturing technology, today announced that a solar power system using Evergreen Solar panels has been installed on the grounds of the TPC Boston in Norton for the 2009 Deutsche Bank Championship, a PGA TOUR Playoff event.

The goal of incorporating solar energy into the Deutsche Bank Championship is to highlight the importance of solar energy and its potential to help meet the nation's energy needs while addressing concerns about the environment and global warming. The solar installation is part of the Deutsche Bank Championship’s overall greening initiative through which, for the second consecutive year, the tournament is the only carbon-neutral event on the PGA TOUR.

“We’re thrilled to be involved with the Deutsche Bank Championship and the PGA TOUR on its biggest stage – the PGA TOUR Playoffs,” said Dr. Terry Bailey, Evergreen Solar’s senior vice president of marketing & sales. “We commend the Deutsche Bank Championship for its commitment to being the greenest event on the PGA TOUR and are proud to be able to contribute clean, solar energy to help make that possible.”

The solar system, which is housed between the ninth green and 10th tee box on the TPC Boston course, demonstrates to the public a typical photovoltaic (PV) system that produces enough energy to power the average American home. The energy produced by the installation will be put back into the local power grid to help offset some of the power used throughout the Championship.

“We take great pride in being the first and only carbon-neutral event on the PGA TOUR,” said Eric Baldwin, Deutsche Bank Championship Director. “We’re excited to partner with Evergreen Solar in order to not only offset our power consumption throughout Championship Week but also demonstrate the benefits of solar power.”

All of the solar panels for the installation were donated by Evergreen Solar. Evergreen panels deliver more electricity with less impact on the environment including the smallest carbon footprint and quickest energy payback of any silicon panel. Alteris Renewables, the Northeast’s leading installer for homes, businesses and organizations, donated and oversaw the system design and installation materials and services.

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About Evergreen Solar, Inc.

Evergreen Solar, Inc. develops, manufactures and markets String Ribbon™ solar power products using its proprietary, low-cost silicon wafer technology. The Company's patented wafer manufacturing technology uses significantly less polysilicon than conventional processes. Evergreen Solar's products provide reliable and environmentally clean electric power for residential and commercial applications globally. For more information about the Company, please visit www.evergreensolar.com. Evergreen Solar® and String Ribbon™ are trademarks of Evergreen Solar, Inc.

Contacts:                                                                            Media:                               
Chris Lawson                                                                   Jim Connelly
Director Marketing Communications                           Account Supervisor
Evergreen Solar, Inc.                                                       Elevate Communications                
508-251-3214                                                                  617-861-3654
clawson@evergreensolar.com                                     jconnelly@elevatecom.com

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