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Tours and speaking engagements

Tours of the California ISO Folsom control center are available October – May, during the off peak grid season.  Openings are available Monday through Friday between 10:00 a.m. – 4:00 p.m., by appointment only.


Public tours at our Folsom, California campus usually last about one hour. A tour host will welcome you in our Lobby and familiarize you with who we are and what we do.  Conditions permitting, you will also observe our high-tech control center and experienced operators hard at work managing the high-voltage transmission system and wholesale power market. Your host will typically conduct a question and answer session at the end.
Tour request lead time and security requirements
Submit tour requests according to the below lead times to allow tour set up and security validation.
  • Two weeks in advance of tour for U.S. citizens
  • Two months in advance for foreign visitors along with each attendees passport information
Upon arrival all visitors must provide ISO security a valid government-issued photo identification. 

Tour and speaker request form

To request a tour or an ISO speaker complete the form linked below and submit it to communicationandpr@caiso.com


ISO facility safety and security information