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        Integrating Distributed Energy Resources

        Our utility, Southern California Edison (SCE), is working to incorporate more clean energy into the grid every day. This includes distributed energy resources, such as solar. Distributed energy resources – small-scale local resources, often installed at a customer’s home or business – can help meet California’s greenhouse gas reduction goals, help customers reduce electricity use and support grid reliability.

        Leading the Nation in Solar

        Our utility has a long and proud history of solar innovation and growth. Every day, SCE is working together with customers to create a clean energy future. Since 2007, SCE has ranked in the top-10 utilities in delivering solar to its customers.

        Learn how to go solar at home

        Learn how your business can go solar

        Facts at a Glance

        1st Solar Customer Connected


        Monthly Solar Connections


        Number of Solar Customers


        Solar and Battery Storage


        Demonstration Projects

        Electric Access System Enhancement project

        SCE's Electric Access System Enhancement project is part of the U.S. Department of Energy’s SunShot Initiative. SunShot is a national program to better integrate solar into the electrical grid.

        EASE will increase the communication between all the companies and individuals that have a part in connecting a solar project to the grid. This includes SCE, the solar contractor, the local permitting authority and the customer. A new single online entry point will demonstrate how to streamline the interconnection process. As a result, the permitting, approval and the physical connection process would be faster and simpler.   

        With multiple sources of generation connecting to the grid, it is important to ensure the grid maintains a steady power flow at the local level. EASE will also allow SCE’s substation control system to communicate with distributed energy resources, such as solar, to maintain the needed flow.

        Ultimately this demonstration project is expected to reduce interconnection time and increase solar and other DER adoption.

        Integrated Grid Project

        The Integrated Grid Project is a demonstration project that is testing software to "smooth out" the power supply when Distributed Energy Resources, such as solar or energy storage, are integrated with SCE’s infrastructure.

        A smoother power flow on circuits and in substations will help avoid the need for major upgrades. It will also ensure that customers have proper voltage. To do this, the software will communicate with the DER, either directly or through a DER aggregator that pools multiple DER resources. The software then determines how best to operate the DER on a circuit.  SCE can then work with customers to more efficiently manage the grid.

        A field demonstration of this system will take place on a circuit in the southern Santa Ana region later in 2018. A full-scale implementation is expected a few years later.


        Diagram of Test Circuit in Southern Santa Ana Area
        Diagram of Test Circuit in Southern Santa Ana Area

        Looking for a Letter of Support or Commitment?

        Our utility, Southern California Edison, collaborates with many organizations to support innovation in the areas of renewable sources of energy, grid optimization, and energy storage. If you are working on a project of this nature and need a letter of support or commitment for a California Energy Commission EPIC proposal, DOE or other funding source proposal, we may be able to help.

        Submit a request form at www.sceideas.com