Substations

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138kV Substation OCM Replacement

Sierrita, AZ

Civil, Electrical, and Structural design consisted of replacing two obsolete 138 kV oil circuit breakers (OCB’s) located in FMI Sierrita’s 200MW main substation with new SF6 breakers. The existing electro-mechanical relays for the OCB’s were replaced with new Schweitzer relays…
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SKIC 10MVA Substation and 35kV Power Line

Fresno, CA

Algonquin hired Sverdrup Engineering Services for Civil, Electrical, and Structural design on a fast track 10MVA substation and 1.5 miles of 34.5kV distribution line to support solar PV facility in PG&E territory. Design started in February and ended in May with equipment…
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Old Mill Switchyard

Marana, AZ

Civil, Electrical, and Structural design of 15MVA 15kV Electrical Switchyard. Work included specifying, reviewing, and including geotechnical evaluation into design. Civil design included grading site, controlling storm water runoff/erosion, and 7' fence with 3 strands of barb…
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SKIC 20MVA Substation and 35kV Power Line

Fresno, CA

Algonquin hired Sverdrup Engineering Services for Civil, Electrical, and Structural design on a fast track 20MVA substation and 1.5 miles of 34.5kV distribution line to support solar PV facility in PG&E territory. Design started in December and ended in February with equipment…
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P&C Relay Upgrade for 96MVA Gas Generator

El Paso, TX

Design new protection relay panel including relay selection and panel layout for Unit 1, a 96MVA gas generator. Demo existing ABB relays and replace with state of the art SEL relays for generator protection, transformer differential, metering, and feeder protection; SEL 300G…
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