Costs to Meet CAISO Demand With Solar PV

Generation costs to meet 100% of CAISO demand ($ per kwh). Horizontal axis is % energy supplied by solar PV, either directly or via battery.

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Based on CAISO 2024 data for hourly electricity demand and hourly solar capacity factor. Assumes $1100/kw solar PV, $475/kwh battery, and $1000/kw gas turbine capital costs. See Appendix for full cost assumptions.

Chart: Brian Potter Source: Author's calculations