ESPAÑOL 한국어 中文 TIẾNG VIỆT Menu User Menu Search Log In / Register Connecting to Our Electrical System Home > Your Home > Generating Your Own Power > Grid Interconnections 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 Monday, July 19, 2021, the new Rule 21 Non-Export Notification Only Process for pre-approved developers became available. Additional information about eligibility, becoming a pre-approved developer, and submitting notifications can be found by navigating to the Rule 21 section of this site. Once in the Rule 21 section, expand the “Rule 21 Non-Export Notification Only Process” menu item. 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 August 24, 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. After resetting your passcode, please access GIPT using this link: Grid Interconnection Processing Tool (GIPT). Installing a Rule 21 Non-Export Energy Storage system sized less than or equal to 10kW? Accelerate your project on the path to obtaining Permission to Operate. Providing sufficient documentation up-front can greatly reduce review and processing timelines. Please refer to this checklist for more information to see if your project is eligible. A presentation from 7/1/2020 is also available for your review. Pre-Approved Single Line Diagrams for projects selecting Protection Options 3 or 6 are now available for use. You may download these documents and attach them to your Interconnection Request submittal. If these do not accurately reflect your project, or you are using a different protection option, then you will need to provide your own Single Line Diagram with your Interconnection Request. Protection Option 3 Single Line Diagram Template for Rule 21 Non-Export Energy Storage Less than 10kW Protection Option 6 Single Line Diagram Template for Rule 21 Non-Export Energy Storage Less than 10kW 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 #15, Opening Date: Wednesday, September 1, 2021. Closing Date: Thursday, September 30, 2021. 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. Generation Project Types Generating Power for Sales Programs for Self-Generation at Home or Business Backup Systems Qualifying Facility Conversions Rules and Regulations Rule 21 Wholesale Distribution Access Tariff (WDAT) Transmission Owner Tariff Interconnections to California Independent System Operator (CAISO) Additional Information Interconnection Queue Distribution Resources Plan External Portal (DRPEP) Redacted Interconnection Study Reports Rule 21 Unit Cost Guide Request Base Case Data Rule 21 Screen Q Engineering Review Guidelines Inverter Manufacturer Attestation Form Phase 3 Functions 1 and 8 Frequently Asked Questions (FAQs) Contact Us 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. 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