Greenfield 230-69kV Substation

SECo provided full-service engineering and design for the construction of a greenfield 230-69kV substation, featuring two 230-69kV transformers, double-bus double-breaker configuration for the 230kV portion of the yard, and breaker and a half configuration for the 69kV portion of the yard.   ​​​

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Project Included:

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• Two (2), 170MVA, 230-69kV Power Transformers

• Two (2) Station Service Transformers

• Four (4) 230kV, 3000A Circuit Breakers

• Eight (8) 69kV, Circuit Breakers (6-2000A, 2-3000A)

• Ten (10) Motor Operated Disconnect Switches

• Fourteen (14) Manually Operated Disconnect Switches

• CCVTs, PTs, and Surge Arresters

• Six (6) Dead End Structures, A Frame

• Ten (10) Dead End Structures H Frame

• Disconnect, Bus Support, CCVT, PT, and Surge Arrester Structures

• Design for New Control House and Relay Panels, AC and DC Distribution Panels, Relays etc.

• Trench and Conduit

• Yard Grounding

• Yard lighting and Lightning Protection

• All Associated Foundations