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Attention Users: Please see www.californiadgstats.ca.gov
for the latest CA solar data and statistics.

In the coming months, www.californiadgstats.ca.gov will become the new public reporting site for the
California Solar Initiative (CSI), net energy metering (NEM) and other programs.

Cost by System Size

This figure shows the average cost of completed systems in the CSI Program in relationship to their size. Gray dots indicate individual systems. Brown triangles indicate the average for a given system size range. Select the Table view below to display and download the average cost data represented by the brown triangles.

This report is current as of Oct. 16, 2019.

Cost vs. System Size



143,131 application(s) were included for the generation of this chart.

Filters

Legend

Mean
Download filtered data

Display

Figure
Table (xls)

Program

General Market
MASH
SASH

Program Year 2

All Years
Range
2006 to 2019

Host Customer Sector

All Sectors
Residential
Non-Residential

Admin

All Admin
CSE
PG&E
SCE
GRID Alternatives

System Ownership 1

All
Host Customer
Third Party

 

System Size Source

CEC-AC
DC (Nameplate)

Adjustments

CPI Adjusted
Non-CPI Adjusted
This scatter plot is a random sample of all projects in the filtered data set.
1Costs for systems owned by third parties versus host customers ($/watt) cannot be directly compared. See the FAQ page for details.
2Program Year is set by the first of the following reservation dates: "Reserved Reservation", "Confirmed Reservation" or "Pending RFP". "Range" only includes projects that have an assigned Program Year. "All Years" also includes projects which have not yet been reserved.