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About California DG Statistics

California Distributed Generation Statistics is the official public reporting site of the California Solar Initiative (CSI), presented jointly by the CSI Program Administrators, GRID Alternatives, the California Investor Owned Utilities, and the California Public Utilities Commission.

Latest Updates

Rule 21 (excl. NEM) Data Sets through the end of 2018 are now available for download. 2019-5-01
Q4 2018 POU and Other IOU Data Set is available for download 2019-4-11
March 2019 NEM Data Sets are available for download 2019-05-17
February 2019 NEM Data Sets are available for download 2019-04-11
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