HELIOS One

 is a Poseidon Energy solar plant and a refractor mirror that can provide energy to the Strip and other places. It contains a massive super laser, Archimedes II.

NCR has taken great interest in the plant, and have a technician named Fantastic working on getting the laser to function.

Appearances
appears in Fallout: New Vegas.

Cultural references
Helios is the god of sun in greek mythology.

Archimedes is a famous greek mathematician.