California Solar Initiative Thermal
Heat Up Your Savings
Through the California Solar Initiative Thermal Program, you can receive rebates by installing a qualifying solar water heating system at your home.
Going solar can be rewarding. Installing an eligible solar water heating system at home can help you save on your electric bill and reduce your carbon footprint. First, install a qualifying system; then, take advantage of California Solar Initiative Thermal rebates and bask in the savings.
Learn more about the California Solar Initiative Thermal Program or find a contractor.
Warming up to the idea of solar water heating at home? The California Solar Initiative Thermal Program offers you rebates for installing an eligible solar water heating system, which captures the warmth of the sun, transfers that heat to water, and works with your conventional water heater to help it use less energy. If you’re thinking of making your home more green, the CSI Thermal program rebates can help offset the cost of heating the water you use in your home.Thermal Incentives Learn More
Rebates are based on how much energy your solar water heating system is expected to displace annually. Eligible single-family residential electric or propane customers can receive rebates of up to $1,834.
See the current rebate level.
To be eligible for California Solar Initiative Thermal rebates, solar water heating systems must fulfill program requirements.
- Must be new
- Must have a warranty of 10 years or more
- Single-family Residential systems must have OG-300 Certification, and must be rated by the Solar Rating and Certification Corporation (SRCC) or the International Association of Plumbing and Mechanical Officials (IAPMO)
To participate in the program, contractors and self-installers must attend a one-day mandatory training. Installation contractors must be in good standing with the Contractors State License Board (CSLB) and have an active A, B, C-4, C-36 or C-46 license. View upcoming classes.
All systems must be installed according to manufacturers’ specifications and meet all applicable laws, codes, regulations, permits and installation requirements.
To participate in the program, contractors and self-installers must attend a one-day mandatory training. Sign up for training now.
If the contractor (specifically the contractor license holder) or self-installer already completed the mandatory training, you can register and submit applications by going to the statewide application database.