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Connecting to Our Electrical System

Welcome to Southern California Edison Grid Interconnections

The information on this page is intended to help our customers understand the requirements and processes for interconnecting projects to SCE’s electric system.

You can navigate through the sections below or you can get started by reviewing our introduction to SCE’s Generator Interconnection Processes.

Announcements

  • As of Wednesday, December 18th, 2019, all-new Rule 21 Non-Export Interconnection Requests are being processed using our new Grid Interconnection Processing Tool (GIPT).
    • A User Guide and Training videos are available to help customers with new functionality implemented on April 16, 2020.
    • If you have previously submitted requests via the PowerClerk tool(PCI), please continue to access those requests in PCI.
    • For Rule 21 Non-Export requests submitted in GIPT you will continue use GIPT throughout the lifecycle of your project.
    • The Interconnection Request fee is also being requested online via ACH payment using an ePay module within GIPT. More information is in the User Guide linked above or contact InterconnectionsQ&A@sce.com for payment questions.
    • For password assistance, please see the following: How to Reset Password.
  • Installing a Rule 21 Non-Export Energy Storage system sized less than or equal to 10kW?
  • WDAT Queue Cluster Window #14 ("QC14"), Opening Date: Thursday, April 1, 2021, Closing Date: Friday, April 30, 2021
  • Please see the Wholesale Distribution Access Tariff section of this website for information regarding tariff updates effective October 30, 2019
  • Distribution Group Study (DGS) Application Window #13, Opening Date: Tuesday, September 1, 2020, Closing Date: Wednesday, September 30, 2020. For more information, view SCE's Rule 21 page.
  • CAISO’s Distributed Generation Deliverability (DGD) Process. Information and prior years’ DGD allocation results are available on our page regarding Interconnections to the CAISO. Navigate and expand the following header for additional information: CAISO’s Distributed Generation Deliverability Assignment Application Window.

DISCLAIMER: The guidelines in this section are provided with the intent to help SCE’s customers understand SCE’s Interconnection Procedures. However, in the case of discrepancies with SCE’s rules, such tariffs and regulations will prevail.