The California ISO is closely monitoring coronavirus (COVID-19) developments, and is taking proactive steps to protect our staff, our customers, the community, and the electric grid. Learn more.
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.
Use the links below for your utility’s interconnection page for information about their interconnection process and requirements.
SCE's Generator Interconnection Process
Imperial Irrigation District
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.