NIST Advanced Technology Program
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Highly Efficient Solar Cells

Partnering Organization: Evergreen Solar, Inc.
Marlboro MA
Project Duration and Cost:
  • 1997-2000
  • ATP funding amount:   $1.7M
  • Evergreen Solar, Inc. cost-share amount: $1.3M
Project Brief:  97-01-0257
Status Report of the Completed Project: None
Banner with Success Story text.
The Challenge
Evergreen Solar, Inc. was formed in 1994, incorporating core technology developed at the Massachusetts Institute of Technology to make crystalline silicon photovoltaic modules—solar cells. However, the starting material, crystalline silicon is extremely expensive, and the process to convert them into cells wastes nearly half the material. Solar energy, one of the truly renewable energy sources, has not been widely developed because of the high cost to manufacture the solar cells. In 1997, Evergreen Solar, Inc. proposed revolutionary techniques to lower the cost of solar cell manufacturing, but as a three-year old company with limited resources, it could not devote significant resources to a high-risk research effort without significant financial danger. Thus, ATP partnered with Evergreen Solar, Inc. by providing the cost-share to help lower the risk of this research effort that had immense potential national benefits.
Technical and Economic Impacts
Evergreen Solar, Inc. successfully translated the NIST Advanced Technology Program (ATP) award into the following technical and commercial impacts: 
  • Through the ATP project, Evergreen Solor, Inc. developed a new technique, dubbed the String Ribbon process, that can yield twice as many solar cells per pound of silicon as conventional methods, and 10 times faster;
  • As a result of the ATP Project, Evergreen Solor, Inc., doubled its manufacturing capacity in the last year.
    • Its factory in Marlboro, Massachusetts has increased its installed capacity from 3 to 6 Megawatts.
    • Evergreen Solar has over 150 employees today (from just 3 in 1994).
  • In June 2003, Evergreen Solar, Inc. won the 2003 Environmental Award from Worcester Business Journal
    "The Worcester Business Journal is pleased to present this award to Evergreen Solar, Inc., for making a market in green energy," said Steve D'Agostino, Executive Editor of the Journal. "Formed in 1994, literally in a garage, Evergreen Solar, Inc., had its first product on the market with a new technology within only three years of start-up—a record for the solar industry that still stands today. They are among five companies we're honoring for devoting their time, resources, and passion to preserving and protecting the environment." 1

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1 
Solar Electric Power Association, June 5, 2003. 

Date created:  June 1, 2005
Last updated: August 21, 2006

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