> Solar Installations
In partnership with Global Solar, SES installaled, commissioned and serviced complete turnkey solar photovoltaic power stations. These include grid-tied, off-grid and hybrid systems.
 
The 4.6 megawatt grid-tied solar power station at Springerville, Arizona, is one of the world's largest, currently 34 arrays covering 44 acres, and was constructed by Global Solar and Southwest Energy Solutions for the electric utility, Tucson Electric Power. It includes crystalline silicon, amorphous silicon, and limited test volumes of thin-film cadmium-telluride PV modules, with plans to add test volumes of thin-film copper-indium-gallium-diselenide PV modules.
 
The 4.6 MW power station was installed in 125 kW nominal building blocks with twelve (12) 150 kW inverters engineered to UL and IEEE standards. Each inverter's 480V, three-phase nominal AC output is supplied to step-up transformers for connection to a 34.5 kV grid distribution line.