CARLSBAD, Calif., April 8, 2019 /PRNewswire/ -- OPTEC International, Inc. (OTC: OPTI), today introduced the OPTEC off-grid Solar Powered LED lighting systems, with its proprietary lens technology.

Evergreen Solar Inc. announced Friday it has launched a line of small solar panels to be used in battery charging and other off-grid applications. The Marlborough solar panel maker (Nasdaq: ESLR ...

"We can fix the power grid, build an intelligent highway and a smart grid all in one swoop and move into the 21st century," Brusaw said. Brusaw and his wife are currently testing solar panels in ...