Welcome to Southern California Edison Grid Interconnections
Connecting to Our Electrical System
- Please use this link to access the Grid Interconnection Processing Tool.
- We are currently accepting new Wholesale Distribution Access Tariff (WDAT) Interconnection Requests and Rule 21 Non-Export requests in the tool. Please see the Rule 21 page for more information regarding submittal of Rule 21 Export requests.
For more information, please see the following section of our website: Grid Interconnection Processing Tool (GIPT) Information.
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.
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
- CAD File Requirements
- Commissioning Procedure
- Distribution Resources Plan External Portal (DRPEP)
- Electrical Service Requirements (ESR)
- Interconnection Handbook
- Interconnection Queue
- Redacted Interconnection Study Reports
- Request Base Case Data
- Rule 21 Unit Cost Guide
- Grid Interconnection Processing Tool (GIPT) Information
Frequently Asked Questions (FAQs)
Many of your questions may have been answered in one of the following FAQs:
Contact Us
Should you have any questions regarding our interconnection processes, please reach out to either the Grid Interconnection and Contract Development (GICD) team or the Net Energy Metering (NEM) team:
Grid Interconnection & Contract Development – Rule 21 Non-Export, Rule 21 Export, Wholesale Distribution Access Tariff (WDAT) and Transmission Owner Tariff (TOT)
Email: interconnectionQA@sce.com
Phone: (909) 274-1106
Mailing Address:
Grid Interconnection & Contract Development
Southern California Edison
2244 Walnut Grove Ave
Rosemead, CA 91770
Email Distribution List:
To subscribe to the GICD mailing list for notices about interconnection events, please email us.
Net Energy Metering – Customers who produce their own electricity through an eligible renewable distributed generation system; a rate option called Net Energy Metering (NEM). The NEM option allows you to receive a credit for the surplus electricity you supply to the electric grid.
Email: nem@sce.com
Phone: (866) 600-6290
Mailing Address:
Southern California Edison
2244 Walnut Grove Ave
Rosemead, CA 91770
Email Distribution List:
To subscribe to the NEM mailing list for notices about interconnection events and updates, please email us.
Rule 21 Ombudsman Information
To address disputes regarding Rule 21 missed timelines, please contact SCE's appointed ombudsman:
Rod Vickers, Project Manager
Email: Rule21.Ombudsman@sce.com
Phone: (714) 895-0211
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.