In response to recent inquiries, the California ISO is making available to the public two data files: one supporting Figure 2.2.1 (battery capacity data as of May 1, 2023) in the Department of Market Monitoring’s (DMM’s) Special Report on Battery Storage - July 7, 2023 on page 6, and the other supporting Figure 1.4 (Q1 2023 generation by fuel type) in the DMM’s quarterly Report on Market Issues and Performance - Q1 2023 on page 8. The ISO has posted the data files on its Reports and Bulletins webpage.
Please contact the Department of Market Monitoring at DMM@caiso.com with any questions.