Sunfusion Solar Electric Inc

SunFusion Solar Electric Inc is a San Diego-based solar energy contractor specializing in advanced solar photovoltaic installations and innovative hybrid energy storage solutions. Founded in 2010, the company has developed proprietary battery systems such as the IDES3 Hybrid Energy Storage System and Guardian Elite series, which allow customers to store excess solar power for use during nighttime or grid outages. Their systems are designed for seamless integration with existing electrical infrastructure—offering both residential and commercial clients greater energy independence while maintaining grid connectivity as backup.
The company emphasizes quality control by assembling products locally in San Diego using premium components like Hithium USA battery cells and aerospace-grade aluminum enclosures. SunFusion’s offerings include comprehensive warranties—up to 25 years on batteries—and UL/ISO certifications for safety and reliability. Led by CEO Walter Ellard, an industry veteran known for his technical expertise and commitment to sustainability, SunFusion has earned recognition for its customer-focused approach, technological innovation, and robust after-sales support.
In addition to installation services, SunFusion provides system design consultation, ongoing maintenance/repairs of installed equipment—including legacy systems—and tailored solutions such as non-utility car charging stations with scalable voltage options. Their client base spans homeowners seeking rooftop solar plus storage to businesses requiring large-scale commercial backup power solutions.