Projects

Project Highlights

  • Sequential EPC builds
  • Substations include four 345-34.5 kV transformers
  • 5 total miles of 345 kV transmission line.

 

 

Electrical Consultants, Inc. (ECI), in conjunction with EPC Services Company (EPCS), provided detailed engineering, design, procurement, construction, testing and commissioning for the Prospero I Solar Substation. This project included a 34.5 ‐ 345 kV Substation with a 2.2‐mile 345 kV transmission line. The Substation design included (2) 100/133.3/173 MVA at 65°C, 345 – 34.5 – 20.12 kV wye‐grounded/wye‐grounded transformers with a buried delta tertiary; (2) 345 kV, 2000 A, 40 kAIC breakers; (10) 34.5 kV, 1200 A, 40 kAIC breakers; (2) 21.6 MVAR capacitor banks with capswitchers and (3) 345 kV CVTs. Prospero I Solar Substation was energized in early 2020 and it has been in service since.

As the result of the high‐quality services provided by the teams, ECI and EPCS were awarded the Prospero II Solar Project to provide detailed engineering, design, procurement, construction, testing and commissioning. This project includes a 34.5 – 345 kV Substation with a 2.92 mile 345 kV transmission line. The Substation design is including (2) 85.2/113.6/142 MVA at 65°C, 345 – 34.5 – 13.865 kV wye‐grounded/wye‐grounded transformers with a buried delta tertiary; (2) 345 kV, 2000 A, 40 kAIC breakers; (8) 34.5 kV , 1200 A, 40 kAIC breakers and (3) 345 kV CVTs.

Prospero II Solar Substation is anticipated to be energize in early 2021.



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