Tesoro – Wilmington Substation #4 Replacement

Location: Tesoro Refinery – Wilmington, CA

Client: Tesoro Corporation


General Contractor: Fluor

Time Period: 08/2018 – 03/2019

Construction Cost:

Contract Amount: $2.12M

Project Description

The Tesoro Wilmington Refinery (now Marathon Petroleum, Co.) has a long 100-Year history, beginning operations in 1923.  Since then, like all Refineries, continuous modernization and upgrades are needed for the safety of employees, the community, and our environmental ecosystem.  For this project the Wilmington Refinery underwent replacement of Substation #4 and modernization of substation #12.

Our Role

Johnson-Peltier was contracted to perform the entire Electrical & Instrumentation Scope including all Power, Controls, Instrumentation and Communications for the Project.

Johnson-Peltier installed: Install New 13.3kV Feeders, Install New 13.3kV Switchgear, Install (2) Two New 2,400V Switchgear Bus’s, Install (5) Five New 2,400V MCC’s, Install over 5,000 LF of Cable Tray, Install all Galvanized Rigid Conduit, Cable & Wire