engages in the research, development, and marketing of products to the renewable energy/photovoltaic industry.
It offers thin-film copper-indium-gallium-selenide (CIGS) solar cell, which converts sunlight into electricity.
The company, through its subsidiary, DayStar Solar, LLC, engages in the business of selling and installing solar electricity systems for residential customers in Northern California.
In addition, it develops manufacturing process for solar cells.
DayStar Technologies was co-founded by Eric Cole and John R.
Tuttle in 1997 and is headquartered in Halfmoon, New York.

