California tightens cap on utility and industrial emissions under Cap-and-Invest program extension through 2045

California's Air Resources Board adopted amendments to the state's Cap-and-Invest Program, removing 118 million allowances from future budgets. This creates an 11% year-over-year reduction in the emissions cap through 2030 and an average 7% annual decline from 2031 to 2045. The program, extended by the legislature in 2025, now runs through 2045, giving regulated entities a longer planning horizon. The amendments also expand the Manufacturing Decarbonization Incentive Fund from $2 billion to $4 billion, offering state funding for industrial emissions-reduction projects. CARB estimates that 80% of allowances will go toward consumer benefits, including $10 billion in electricity bill credits and $8 billion for the Greenhouse Gas Reduction Fund. The rules take effect September 1, 2026. For companies with California operations, the tighter cap means higher compliance costs and a stronger price signal for carbon. The expanded state funding may partially offset reduced federal clean energy incentives. Investors and project developers should factor in a more constrained allowance market and longer regulatory certainty through 2045.