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Home > Participate > Resource Interconnection Guide > Utility Distribution Companies

Utility distribution companies

 

Map of utility service areas within California

Click here to access a map of the utility companies in California.  If your project will interconnect to the grid via a distribution line, you will need to contact the utility service provider where the project is located.

 

Links to the utilities’ interconnection materials

Use the links below for your utility’s interconnection page for information about their interconnection process and requirements.

UDCs inside the ISO balancing authority

City of Anaheim

http://www.anaheim.net/article.asp?id=1159

City of Azusa​

http://www.ci.azusa.ca.us/index.aspx?NID=135

City of Banning

http://ci.banning.ca.us/57/Electric-Utility

City of Pasadena

https://ww5.cityofpasadena.net/water-and-power?site_section=5645&s=self+generation

City of Riverside​

http://www.riversideca.gov/utilities/pdf/2011/CITY%20OF%20RIVERSIDE%20Interconnection%20Standards%20Final%206-24-2011.pdf

City of Vernon​

http://www.cityofvernon.org/contact-us

Pacific Gas and Electric

https://www.pge.com/en_US/for-our-business-partners/interconnection-renewables/energy-transmission-and-storage/wholesale-generator-interconnection/wholesale-distribution-independent-study-and-cluster-study

San Diego Gas and Electric​

https://www.sdge.com/sites/default/files/documents/DistributionInterconnectionHandbook.pdf

Southern California Edison​

SCE: Information for DERP

UDCs outside the ISO balancing authority

 

Links to Investor Owned Utilities’ electric transmission maps

Locate the nearest interconnection facility to your project, if it is located within the Pacific Gas and Electric, San Diego Gas and Electric or Southern California Edison service areas, through maps of electric transmission lines, distribution lines and associated substations.  Registration is required.  Please follow the instructions on the respective web page to register for access to these maps.