For the 12 months ending December, the California CPI rose 5.6%, easing from 6.5% in November.  In the same period, the US CPI rose 6.5%, down from 7.1%. Looking at the period prior to 2022, California’s rate was the highest since January 1991.

The February average price per gallon of regular gasoline in California rose 24 cents from January to $4.73.  The California premium above the average for the US other than California ($3.30) rose to $1.43, a 43.3% difference.

In February, California had the 2nd highest gasoline price among the states and DC, behind only Hawaii.  Californians paid $1.75 a gallon more than consumers in Texas, the state with the lowest price.

The February average price per gallon of diesel in California eased 1 cent from January to $5.66.  As prices dropped further in the other states, the California premium above the average for the US other than California ($4.40) rose to $1.26, a 28.6% difference.

In February, California had the 2nd highest diesel price among the states and DC, behind only Hawaii.

The cost premium above the US (other than California) average price for regular gasoline ranged from $1.32 in the Central Valley Region (average February price of $4.62), to $1.55 in Central Sierra Region (average February price of $4.85).

California average Residential Price for the 12 months ended December 2022 was 26.17 cents/kWh, 81.4% higher than the US average of 14.43 cents/kWh for all states other than California.  California's residential prices again were the highest among the contiguous states.

For the 12 months ended December 2022, the average annual Residential electricity bill in California was $1,707, or 71.7% higher ($713) than the comparable bill in 2010 (the year the AB 32 implementation began with the Early Action items).  In this same period, the average US (less CA) electricity bill for all the other states grew only 20.1% ($274).

In 2010, California had the 9th lowest residential electricity bill in the nation.  In the latest revised data for 2022, it had the 18th highest.

Residential bills, however, vary widely by region, with the estimated annual household usage in 2021 as much as 78% higher in the interior regions compared to the milder climate coastal areas, and substantially higher when comparing across counties.

For the 12 months ended December 2022, California's higher electricity prices translated into Residential ratepayers paying $10.6 billion more than the average ratepayers elsewhere in the US using the same amount of energy.

California average Commercial Price for the 12 months ended December 2022 was 21.68 cents/kWh, 85.1% higher than the US average of 11.71 cents/kWh for all states other than California.  California's commercial prices were the highest among the contiguous states.

California average Industrial Price for the 12 months ended December 2022 was 17.37 cents/kWh, 116.3% higher than the US average of 8.03 cents/kWh for all states other than California.  California's industrial prices again were the third highest among the contiguous states.

For the 12 months ended December 2022, California's higher electricity prices translated into Commercial & Industrial ratepayers paying $15.7 billion more than ratepayers elsewhere in the US using the same amount of energy.  Compared to the lowest rate states, Commercial & Industrial ratepayers paid $20.6 billion more.