Shares of

Evergreen Solar


jumped 14% Monday after the maker of solar power products signed a four-year, $100 million contract with Mainstream Energy.

Under the agreement, Evergreen will ship about $100 million worth of photovoltaic modules to Mainstream, a company that has systems integration and distribution subsidiaries involved in the sales and installation of solar electric systems.

"Mainstream Energy will play a significant role in our effort to further penetrate the U.S. marketplace," Evergreen said.

Evergreen Solar, which recorded 2005 revenue of $44 million, said the deal represents its sixth major contract in the past 12 months. The value of these six contracts totals more than $700 million over the next five years.

Evergreen shares recently were up $1.16 to $9.37 on nearly double the average daily trading volume.