Who can I contact for questions about my solar? IT Support January 11, 2021 05:59 Updated You can call the mainline, 619-715-4054. Press option 2 and then 3 to reach the Service Department. Related articles What happens if there is an issue with my solar? Where in California does Semper Solaris operate? How do I monitor my solar system? When should I fund my solar loan? Do military veterans work at Semper? Comments 0 comments Please sign in to leave a comment.