ECI/EPCS provided complete engineering design, procurement, construction and testing services for a greenfield 34.5/345 kV substation solution for Recurrent Energy’s Rambler Solar development located northeast of San Angelo in Tom Green County, Texas. The project includes a single span three-phase overhead 345 kV transmission line, a deadend pole and OPGW. The project includes complete Substation Supervisory Control Data Acquisition (SCADA) system for the substation as necessary to fully interconnect the project with Lower Colorado River Authority, the Interconnection utility.

The substation design includes one (1) 345/34.5kV transformer, one (1) 345 kV PCB, one (1) 345 kV Disconnect switch with motor operator, two (2) 34.5 kV cap banks, five (5) 34.5 kV PCBs, three (3)345kV CVTs, and three (3) 34.5 VTs.  The project was tested and commissioned by EPCS staff and energized at the close of 2019.

• Key Facts and Highlights:
  • 345 kV Overhead Transmission
  • 345/34.5 kV Transformer
  • Full Testing & Commissioning