How much more expensive is electricity in California?

At 900 kWh/month, electricity in California costs about $177.93 more per month than in Arizona—roughly 56.1% higher.

Why do electricity prices vary between states?

Electricity prices vary due to generation mix (coal, gas, nuclear, renewables), transmission costs, regulations, taxes, and demand. States with more hydropower or natural gas often have lower rates; those relying on imported power or with higher renewable mandates may have higher rates.

Electricity Cost: Arizona vs California

Electricity costs about 56% more in California than in Arizona. A typical monthly bill runs about $139 in Arizona vs $317 in California.

Based on average residential rates from EIA data · 900 kWh of monthly use

Arizona rate

15.48 ¢/kWh

California rate

35.25 ¢/kWh

Arizona 900 kWh bill

$139.32

California 900 kWh bill

$317.25

Is electricity cheaper in Arizona or California?

State	Electricity rate	Estimated monthly bill
Arizona	15.48 ¢/kWh	$139.32
California	35.25 ¢/kWh	$317.25

What the difference adds up to

At a typical 900 kWh a month, a household in California pays about $177.93 more than one in Arizona — about 56% higher, or roughly $2135 a year for the same electricity.

Monthly Bill Comparison

Arizona vs California

Frequently Asked Questions

Is electricity cheaper in Arizona or California?: Arizona has cheaper electricity. At 900 kWh/month, the estimated bill is $139.32 in Arizona vs $317.25 in California—about 56.1% less.
How much more expensive is electricity in California?: At 900 kWh/month, electricity in California costs about $177.93 more per month than in Arizona—roughly 56.1% higher.
Why do electricity prices vary between states?: Electricity prices vary due to generation mix (coal, gas, nuclear, renewables), transmission costs, regulations, taxes, and demand. States with more hydropower or natural gas often have lower rates; those relying on imported power or with higher renewable mandates may have higher rates.