Unisun Solar, Incorporated

Unisun Solar, Incorporated is a family-owned solar energy company based in Roseville, California. Founded in 1994 with roots dating back to the 1980s as a plumbing business, Unisun has grown into one of California's leading solar providers under the leadership of Paul Bianchi. The company distinguishes itself by combining large-scale capabilities with personalized customer service—offering both standard installations and custom solutions tailored to unique client needs. Unisun provides comprehensive EPC services for residential and commercial clients across California. Their offerings include full-service solar panel installation as well as ongoing system repairs and maintenance. They also assist customers in navigating state and federal incentives for renewable energy adoption. With approximately 36 employees and annual revenues estimated between $10–50 million, Unisun Solar emphasizes quality workmanship while maintaining flexibility for custom projects outside typical industry templates.