93.16 MWdc PV Solar Plant

Location:   Lyon County, Minnesota
Installed Capacity: 93.16MWdc/62.25 MWac of energy
Year Commissioned:   2016

This project entailed the design of a 93.16 MWdc PV solar plant, with an optimized solar photovoltaic array and related infrastructure in Lyon County, Minnesota. Design employed a fixed tilt racking system with 330W solar modules and a system design voltage of 1500V.

RRC provided the electrical design, from the solar panels to the project main site substation/switchyard, optimizing the PV plant design to achieve the lowest overall lifecycle costs. The structural engineering for the site included reconfiguration and optimization of the racking and foundations resulting in project savings of over 1mm lbs. of steel. The soil conditions and freeze susceptible soil impact was mitigated with special attention to the structural design while maintaining cost competitiveness and constructability. RRC also provided construction support, project management, and as-built drawings.