Sign Up to Receive The OFO Key Indicators

The OFO Key Indicators are a series of graphs developed by Pacific Gas and Electric Company's California Gas Transmission using Pipe Ranger's operations data provided in Plan 5 each day. These charts, delivered by e-mail, provide visual cues as to the likelihood of an OFO for the gas day shown.

View a sample e-mail.
For assistance interpreting the charts, review the OFO Key Indicator legend.

To subscribe to The OFO Key Indicators:

  1. Send an e-mail to
    Leave the Subject line blank. Enter the following information in the body of the message (do not include the { }} in your information, and make sure the request is all on one line):
  2. Syntax: Subscribe ofo-keys {Your First Name} {Your Last Name}, {Your Company Name}

    Example: Subscribe ofo-keys John Doe, Big Energy Company

A confirmation e-mail will be sent to you from the ListProc system within approximately 5 minutes. If you do not receive an e-mail confirming that you have successfully subscribed to the OFO Key Indicators, please contact a CGT Account Services Representative.

To unsubscribe:

If at any time you wish to discontinue this service, please send an e-mail to, with a blank subject line. The contents of the message should read: Unsubscribe ofo-keys