01 September, 2019 - 30 October, 2022
80,000 kWh / Year
Solar Energy
Southern California Edison (SCE)
SCE Parkway, Rosemead, California
Southern California Edison (SCE) is the primary electric utility in large parts of southern California, and is the largest subsidiary of Edison International.
Service Territory & Customers: SCE serves approximately 15 million people across ~50,000 square miles via a network of transmission and distribution lines.
Business & Strategy Context: As a major regulated utility, SCE is actively engaged in grid modernization, integrating distributed energy resources (DERs), and supporting California’s renewable / decarbonization policy mandates.
Renewables & DER Posture: SCE actively supports customer-owned generation (e.g. rooftop solar), energy storage (via incentives), and advanced grid applications to manage DERs.
Grid Modernization Planning: Under the California Public Utilities Commission (CPUC) mandates and internal strategic vision, SCE has published a multi-year Grid Modernization Plan / 10-Year Vision, which includes DER integration, substation modernization, advanced controls, and more.
Enable high penetration of rooftop solar + BESS on SCE’s distribution network with minimal reliability impact
Reduce customer adoption barriers (streamline interconnection, offer fair export credit)
Enhance grid flexibility, reduce peak demand, and defer distribution upgrades
Test advanced DER management, two-way coordination, transactive mechanisms
Ensure equitable access, regulatory alignment, and cost responsibility balance
Feasibility & Planning
Assess feeder hosting capacity, voltage profiles, protection systems
Identify candidate feeders / circuits for pilot integration
Engage stakeholders (customers, regulators, DER vendors)
Develop modeling, forecasting, and DER integration architecture
Design & Specification
Define technical standards (smart inverter functions, telemetry, control)
Specify communications, data architecture, DERMS interfaces
Design interconnection process enhancements (fast-track, streamlined review)
Define export credit / billing rules (e.g., SBP rules)
Pilot Deployment & Testing
Deploy rooftop solar + BESS on selected pilot sites or feeders
Implement DERMS / GridOS or equivalent control software
Integrate with substation controls via EASE or similar
Monitor, control, and test dispatch, voltage regulation, islanding, fault responses
Run performance metrics, stress tests, worst-case scenarios
Full Deployment / Scaling
Refine lessons learned, adjust standards, expand to more feeders
Scale interconnection processing, customer outreach
Integrate with outage management, operations, planning workflows
Provide reporting, regulatory compliance, cost & benefit tracking
Operations, Optimization & Evolution
Continuously tune inverter control modes, dispatch strategies
Use analytics / AI to forecast solar output, optimize DER dispatch
Enable deeper customer participation and perhaps peer-to-peer / transactive markets
Ensure cybersecurity, communication health, and data integrity
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