Today's Outlook: Emissions

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CO2 emissions (serving ISO load)

About emissions
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Current demand
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Current CO2 emissions
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Current CO2 emissions rate
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Reduction in CO2 emissions

The California ISO supports the state’s clean air policies by integrating clean, net zero-carbon resources. This page reflects reductions in power plant emissions. CO2 emissions data is an approximation. View how CO2 is calculated.

Current CO2 per resource

Current percentage of CO2 broken down by resource.

Total CO2 trend

Total CO2 produced in five-minute increments.

CO2 per resource trend

CO2 broken down by resource in five-minute increments.

ISO greenhouse gas emissions report
SB350 study: regional market reduces GHGs
WEIM quarterly benefits reports
California greenhouse gas reduction goals

Historical CO2 trend

Yearly snapshot of CO2 emissions by month.

Today’s Outlook charts are designed to summarize forecasts and actual loads. The demand and net demand trend data do not include dispatchable pump loads or battery storage that is charging on the system. This data is for informational purposes only, and should not be used for determining actual billing values or operational planning.

Data is subject to change without notice.
For official data, visit OASIS. For official emissions data, visit CARB.