The parallel operation of a self-generation unit requires interconnection with SDG&E’s distribution system. The first step is to fill out the required documents that are a part of the Electric Rule 21 Package.
Download Electric Rule 21 Package Documents
Interconnection, operating and metering requirements are described in electric Rule 21, approved by the California Public Utilities Commission (CPUC).
Information about the available capacity on utility equipment in a particular area can be obtained prior to submitting a formal application for interconnection of an Electric Rule 21 project.
Click on the link below for more information about the type information available, and also to obtain the request form.
To submit a form via email please print out the form, fill it out, scan it, and attach it to an email to DGInquiries@semprautilities.com. It can also be submitted via postal service to:
Customer Generation
San Diego Gas & Electric Company
8316 Century Park Ct, CP52F
San Diego, CA 92123
A $300 processing fee is required to obtain the requested information, however, please do not send payment with your request. SDG&E will provide an invoice for all requests. The information request form can accessed at:
Rule 21 Pre Application Report Request
Applicants for Electric Rule 21 generator projects that will export power to the SDG&E system shall submit a completed Interconnection Request (IR). Applicants shall submit a separate IR for each point of interconnection. The IR form can be accessed at:
Exporting Generator Interconnection Request
Rule 21 Interconnection Agreement for Cluster Study or independent study process
Rule 21 Independent Study Process Study Agreement
Documentation of site control or site exclusivity must also be submitted with the IR. The completed IR form with evidence of site exclusivity can be submitted via email to DGapplications@semprautilities.com or via postal mail to:
Customer Generation
San Diego Gas & Electric Company
8316 Century Park Ct, CP52F
San Diego, CA 92123
After submittal of the IR, SDG&E shall provide an invoice for a non-refundable Interconnection Request Fee of $800.
Applicants for Fast Track generator projects that choose to proceed to a Generation Interconnection Agreement shall notify SDG&E, in compliance with the provisions of Rule 21 section F.2.e. SDG&E shall provide Applicant with a draft Generator Interconnection Agreement for Applicant’s signature within fifteen (15) business days of Applicant’s request. An incomplete Generator Interconnection Agreement is provided for reference at:
Generator Interconnection Agreement
For Exporting Generation Facilities Interconnecting Under the Fast Track Process
Upon receipt of a draft Generator Interconnection Agreement, Applicant has ninety (90) calendar days to sign and return the Generator Interconnection Agreement. Applicant shall provide written comments, or notification of no comments, to the draft Generator Interconnection Agreement and appendices within thirty (30) Calendar days.
To address disputes regarding Rule 21 missed timelines, please contact SDG&E’s appointed ombudsman.
Hannon Rasool
rule21.ombudsman@semprautilities.com
858-654-1590
Qualifying Facility (QF)*Information on how to become a Qualifying Facility (QF).
Code of Federal Regulations, Title 18, Part 292*
Federal Energy Regulatory Commission (FERC), Department of Energy – Regulations under Sections 201 and 210 of the Public Utility Regulatory Policies Act (PURPA) of 1978 with regard to small power production and cogeneration.
California Public Utilities Code Section 216.6*
For information on the waste heat recovery criteria.
For more information or assistance with your application, email our Self Generation Team
Customer Generation
San Diego Gas & Electric
8316 Century Park Court, CP52F
San Diego, CA 92123
Office: (858) 654-8213
E-mail: DGInquiries@semprautilities.com
* By clicking the link, you will leave www.sdge.com and transfer directly to the website of a third party provider which is not part of SDG&E. The Terms and Conditions and Privacy Policy on that website will apply.
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