California Solar Initiative - Thermal (CSI-Thermal)

California Public Utilities Commission

Available Solar & Renewable

About This Program

Incentive program for solar water heating and solar pool heating systems. Provides rebates for residential solar thermal installations to reduce natural gas or electric water heating costs. Higher incentives for income-qualified households.

Rebates range from $1,500-$5,000 based on system capacity and income

Key Details

  • Rebates for solar water heating systems
  • Up to $5,000 for qualifying systems
  • Reduces water heating costs by 50-80%
  • Higher rebates for income-qualified households
  • Must use certified installers

How to Apply

Deadline: Applications accepted while funds available

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