About California Solar Cost Calculator
What solar costs on a California home under the net billing tariff, with the federal credit position read straight from the IRS.
What is on this site
One question, "solar panel cost calculator california", answered with a calculator that works on the page with no account, 3 guides on the questions around it, a data table you can cite (the figures and their method), and the sources every figure rests on.
- California net billing (NEM 3.0): what changed and what it means: Since April 15, 2023 new California solar takes the net billing tariff: exports are paid at their value to the grid, not at retail. How to design around it.
- The federal solar tax credit in 2026: what the IRS page says now: The residential clean energy credit was 30% for property installed 2022 through 2025. The IRS states it is not available for property placed in service after 2025.
- California solar incentives in 2026: what is left after the federal credit: California has no state solar income tax credit. What remains is property tax treatment under R&TC section 73, which is time-limited, and the CPUC storage program.
Reach us
Contact for a question about the site, or contact@californiasolarcostcalculator.com. The legal terms are on Terms and Privacy.
California Solar Cost Calculator is an independent information site operated by Ellul Solutions Ltd. It is not affiliated with the IRS, the California Public Utilities Commission, the Franchise Tax Board, any utility or any installer, and nothing here is tax or financial advice. Confirm credit and incentive eligibility with a tax professional and prices with licensed installers before buying.