Solar system installer Thomas Bywater adjusts new solar panels on the roof of a house in Sydney in 2009. (Tim Wimborne/Reuters)

Now, DOE is giving the company a $150 million loan guarantee to continue its research on how to make silicon wafers used in solar panels cheaper, Solar Server reported Monday.

1366 says it will increase its wafer manufacturing capabilities in Massachusetts and build a second U.S. manufacturing facility that will produce wafers with the funds.

Chu said the advancement would help the U.S. sustain its position as a leader in clean energy.