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PennWest California: Medium Voltage Upgrades

H.F. Lenz Company designed the improvements to the existing medium voltage main switchgear and medium voltage primary distribution switchgear serving.  The existing main switchgear was S&C main-tie-main arrangement with Westinghouse walk-in distribution switchgear. The switchgear distributes the campus primary electrical at a voltage of 12.47 kV


The new system features the following advantages:

  • Replaced aging electrical equipment
  • Replaced two pieces of switchgear with one piece of switchgear
  • Standardized overcurrent protection devices
  • Configured for current and future redundant feeders
  • Allows for future expansion
  • Allows for metering each feeder
  • Allows for future internet connection to metering