California’s soaring energy costs are largely driven by the state’s current climate change policies, which began in 2010 with the AB 32 Early Action Items. Given the increasing burden these rising costs place on households and employers, it is important to also review what the state is getting in return.
The primary indicator for this purpose is the Air Resources Board (CARB) annual GHG (greenhouse house gas) inventory, chronicling the change in total GHG emissions (all gases) expressed in CO2 equivalent. As indicated in the chart below, 4 key observations result from the current data:
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Total emissions in 2022 dropped 9.3 MMTCO2e, or 2.4%. Compared to pre-pandemic 2019, emissions were down 8.1% or an average 2.8% a year, reflecting the effects of the economic downturn on the emission outcomes.
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Putting aside the outlier pandemic period years in 2020 and 2021, emissions overall have dropped an average of only 1.2% annually since the beginning of the current program in 2010. If emissions continue to drop along this current trend, California will miss CARB’s target of 230 MMTCO2e by 2030 by nearly 50%. In other words, along current trends—both emission reductions and energy cost increases—California will not even attain the intended purpose of these substantial costs.
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In order to achieve the 2030 goal, emission reductions will have to be ramped up to 5.8% annually, or nearly 5 times the current rate. The question, though, is at what cost? CARB currently is pursuing additional regulations in an effort to accelerate the emission reductions. Just two of these—the pending low carbon fuel standard and Cap-and-Trade revisions—would cost Californians an additional $8.4 billion starting next year and rising every year after.
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Supporters of the current high regulation approach to the program often claim that California’s economic performance is somehow proof that high regulation and economic growth are compatible. The program results shown in the chart, however, show that economic downturns have been critical to the state’s emissions being as low as they are today. On average, emission reductions in normal years have only been 1.2%. The major shifts in the overall trend line instead came during the two recessionary periods (shaded areas) and the subsequent restructuring in the state economy in the periods after. The trend line dropped by 7.1% in the 2008 and 2009 recessionary years. It again dropped by another net 5.8% during the state-imposed job closure years of 2020 and 2021. Even the somewhat better outcome of 2.4% for 2022 came in a year when economic growth basically stalled in the state. In the recent
revised data, real GDP in California grew only 0.9% in 2022, compared to 2.5% for the US and an overall average of 3.2% for California between 2010 and 2023. Using an emissions per unit of GDP factor, 75% of the emissions reductions in 2022 can be associated with the state performing below this longer term economic trend, and only the remaining 0.3% of reductions attributable to other factors such as the state’s regulations.
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