• California’s carbon market has generated $36.2 billion for climate investment, with $15.5 billion deployed across more than 600,000 projects.
• About 76% of implemented funding benefits disadvantaged and low-income communities, linking emissions policy with affordability and environmental justice.
• Updated market rules could provide $10 billion in electricity bill relief and generate another $8 billion for climate programs through 2030.

California’s carbon market has generated $36.2 billion for climate programs, according to a new state report detailing the financial and social reach of its Cap-and-Invest system.

The California Air Resources Board’s 2026 annual report found that $15.5 billion has already been implemented through 122 programs. The funding covers more than 600,000 projects across housing, transport, energy efficiency, workforce development and climate resilience.

Another $8 billion in auction proceeds could enter the state’s Greenhouse Gas Reduction Fund through 2030. Billions already raised also remain available for future implementation.

The figures place California’s carbon market among the world’s largest examples of emissions pricing being converted into public investment. They also provide a reference point for governments weighing how carbon revenues should be distributed.

Investment reaches communities and households

Since 2014, California Climate Investments have supported cleaner transport, affordable housing, household energy upgrades and community resilience projects.

Of the $15.5 billion implemented, $11.4 billion benefits disadvantaged and low-income communities. That represents 76% of deployed funding.

The projects are expected to cut 130.5 million metric tons of carbon dioxide equivalent over their lifetimes. CARB said that reduction is comparable to avoiding the consumption of more than 12.6 billion gallons of gasoline.

The investment portfolio also includes 16,386 affordable homes under contract. State estimates attribute more than 143,000 jobs to project spending, supply chains and wider economic activity.

Expected consumer and economic savings total $44.4 billion. These benefits include lower fuel use, reduced transport costs and smaller household energy bills.

“For over a decade Cap-and-Invest has been an important funding source for many of the state’s priorities. This landmark policy is responsible for reducing the state’s largest sources of emissions and directing billions of dollars into communities that suffer most from environmental harm,” said CARB Chair Lauren Sanchez. “Community leaders are indispensable partners in this effort, and we are proud to support their work. They remind us that a brighter, more sustainable future is not only possible — it is already taking shape.”

“The billions we’ve moved through our climate investments represent more than dollars. They represent improved safety and resilience for Californians, cleaner air, and economic opportunity,” said Yana Garcia, California Secretary for Environmental Protection.

RELATED ARTICLE: California Air Resources Board Issues Guidance for Companies Preparing Climate Risk Reports

Carbon pricing funds state priorities

Cap-and-Invest, previously known as Cap-and-Trade, places a declining limit on emissions from California’s largest polluters.

Regulated companies must surrender an allowance for each ton of greenhouse gases they emit. The declining cap is intended to create an economic incentive for investment in cleaner technologies, energy efficiency and lower-carbon operations.

California sells allowances through auctions. Proceeds flow into the Greenhouse Gas Reduction Fund, which the Legislature allocates to state climate programs.

This governance structure gives lawmakers significant influence over how carbon revenues support housing, transport and community priorities. It also exposes the program to annual budget negotiations and competition between state spending objectives.

For companies, the declining emissions cap creates a long-term compliance signal. Yet allowance prices, regulatory changes and emissions reduction requirements remain material considerations for capital planning.

Updated rules target affordability

In May, CARB adopted updates intended to keep the program aligned with California’s 2030 and 2045 climate targets.

The changes seek to maintain incentives for clean energy investment while limiting pressure on household energy costs. They are expected to provide $10 billion in direct electricity bill relief through customer credits.

CARB also estimates that the revised system will generate another $8 billion for the Greenhouse Gas Reduction Fund by 2030.

The Board directed its executive officer to work with the Governor’s Office and Department of Finance on stable funding for community air protection, transit and affordable housing. Those programs remain central to the state’s effort to connect emissions regulation with visible public benefits.

For investors and corporate leaders, California’s experience shows that carbon markets are increasingly judged on more than emissions reductions. Their political durability may also depend on affordability, revenue transparency and whether communities see measurable economic gains.

As other jurisdictions expand emissions trading, California’s model offers a global test of whether carbon pricing can sustain industrial decarbonisation while financing an equitable transition.