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California Solar Initiative Incentive Calculators

Thank you for visiting the EPBB Calculator homepage. The calculator provides an estimated CSI system size and incentive amount of a solar electric system. Please select from one of the calculator options below.

CSI Standard PV

Current Calculator
  • Used for all new CSI Applications (Received by CSI on or after July 1st, 2009)
  • Used for all updates to CSI Applications originally received on or after July 1st, 2009
Archived Calculator
  • Used for updates to CSI Applications originally received before July 1st, 2009 with Grandfathered PV Panels

MASH

Current Calculator
  • Used for all new MASH Applications (Received by CSI on or after July 1st, 2009)
  • Used for all updates to MASH Applications originally received on or after July 1st, 2009
Archived Calculator
  • Used for updates to MASH Applications originally received before July 1st, 2009 with Grandfathered PV Panels

Other Solar Generating Technologies

Current Calculator - Other Solar Generating Technologies

Documentation

Visit our documentation page for Calculator Updates and User Guides.