The California Solar Initiative – Thermal Program is scheduled to sunset on July 31, 2020. At that time, no new residential, commercial or multifamily applications will be accepted. For questions about the incentive or application deadline, we encourage you to contact CSE’s solar thermal team via email.

Contact our Experts

If you live, own a business, or install solar thermal systems in the San Diego Region (SDG&E), feel free to email us at or call 858-244-1177

Questions in Other Service Territories?

While CSE administers the CSI-Thermal Program for SDG&E, the other investor-owned utilities administer the program in their respective territories. If you have questions about projects in one of their service territories, please contact them directly.

Pacific Gas and Electric (PG&E)
(877) 743-4112

Southern California Gas Company
(800) Gas-2000

Southern California Edison
(866) 584-7436

Customer Service