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
1C/1D Calculator
- Used for all new MASH Applications (Received by CSI on or after August 3rd, 2015)
- Used for all updates to MASH Applications originally received on or after August 3rd, 2015
1A/1B Calculator
- Used for all updates to MASH Applications originally received between July 1st, 2009 and August 2nd, 2015
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.