How much more expensive is electricity in Pennsylvania?

At 900 kWh/month, electricity in Pennsylvania costs about $60.57 more per month than in Montana—roughly 31.0% 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: Montana vs Pennsylvania

Electricity costs about 31% more in Pennsylvania than in Montana. A typical monthly bill runs about $135 in Montana vs $195 in Pennsylvania.

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

Montana rate

14.99 ¢/kWh

Pennsylvania rate

21.72 ¢/kWh

Montana 900 kWh bill

$134.91

Pennsylvania 900 kWh bill

$195.48

Is electricity cheaper in Montana or Pennsylvania?

State	Electricity rate	Estimated monthly bill
Montana	14.99 ¢/kWh	$134.91
Pennsylvania	21.72 ¢/kWh	$195.48

What the difference adds up to

At a typical 900 kWh a month, a household in Pennsylvania pays about $60.57 more than one in Montana — about 31% higher, or roughly $727 a year for the same electricity.

Monthly Bill Comparison

Montana vs Pennsylvania

Frequently Asked Questions

Is electricity cheaper in Montana or Pennsylvania?: Montana has cheaper electricity. At 900 kWh/month, the estimated bill is $134.91 in Montana vs $195.48 in Pennsylvania—about 31.0% less.
How much more expensive is electricity in Pennsylvania?: At 900 kWh/month, electricity in Pennsylvania costs about $60.57 more per month than in Montana—roughly 31.0% 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.