Omnion Power Engineering in East Troy, WI. Omnion
has been in this game for a long time and has a great deal of experience with
utility-interconnected power electronics.
Trace Engineering, one of the largest
manufacturers of inverters for PV systems.
Trace Technologies is a recently-acquired division
of Trace Engineering which makes BIG power conversion systems for PV and wind, and also
for motor drive applications. This is the company that made the inverter which is in use
in the Georgia Tech Aquatic Center PV system.