Upcoming Backbone Transmission and Distribution Shrinkage Changes

Monday, October 26, 2015

Updated: The California Public Utilities Commission has approved PG&E's request to revise its in-kind shrinkage rates for backbone transmission and distribution, effective November 1, 2015.  New rates have been posted on Pipe Ranger's Shrinkage Factors page.

---Original Message 09/15/2015 07:59 a.m ----

PG&E filed Advice 3630-G with the California Public Utilities Commission on September 11, 2015, to revise its in-kind shrinkage rates for backbone transmission and distribution.

PG&E is requesting notice of this advice letter approval by October 11, 2015, with changes to gas Rule 21 (Transportation of Natural Gas) to be effective November 1, 2015.

In this advice filing, PG&E proposes to update the shrinkage allowances to reflect the current shrinkage forecast data for 2016.

Final approval of these rates or updates to this information will be posted on Pipe Ranger as it is received.

Summary of Proposed Shrinkage Changes:

  Current Total Allowance Proposed Total Allowance Proposed Change
Transmission - Redwood to Off-System 0.9% 0.9% --
Transmission - Mission to On/Off-System 0.0% 0.0% --
Transmission - All Other Backbone Paths 1.1% 1.2% +0.1%
Distribution - Noncore 0.1% 0.1% --
Distribution - Core
Summer Season (April-October)
1.6% 2.4% +0.8%
Distribution - Core
Winter Season (November-March)
3.0% 3.2% +0.2%

Please contact your CGT Account Manager if you have any questions regarding transmission and distribution shrinkage factors.