SDG&E Cuts Solar Interconnection to Three Days as 25% of Customers Install Panels
SRE•Over 350,000 SDG&E residential customers, equivalent to one in four, now generate power from rooftop solar, ranking among the highest adoption rates nationwide. Streamlined processes have cut average interconnection times to three days, enabling faster integration of customer-generated energy into SDG&E’s grid.
1. High Solar Adoption
More than 350,000 SDG&E residential customers—approximately 25% of its base—have installed rooftop solar systems, positioning the utility among the nation’s leaders in residential solar adoption. This milestone reflects strong consumer demand for clean energy solutions in San Diego and southern Orange County.
2. Accelerated Interconnection Process
SDG&E implemented targeted process improvements and cross-team coordination that have reduced average solar interconnection times to roughly three days. These enhancements exceed state performance benchmarks and reduce wait times and uncertainty for customers pursuing solar projects.
3. Grid Modernization and Reliability
The utility’s evolving grid supports two-way power flows as customers both consume and contribute energy, underpinned by a 20-year streak as the West’s most reliable electric provider. Growing adoption of paired battery storage is further boosting system flexibility and outage resilience.
4. Strategic Business Implications
Rapid customer-driven solar integration is expected to drive future investments in grid upgrades and advanced interconnection services, potentially boosting long-term revenue through energy storage solutions and enhanced grid management offerings.
