Which state has cheaper electricity: Illinois or Pennsylvania?

Illinois has cheaper electricity. At 900 kWh/month, the estimated bill is $147.24 in Illinois vs $181.71 in Pennsylvania—about 19.0% less.

How much more expensive is electricity in Pennsylvania?

At 900 kWh/month, electricity in Pennsylvania costs about $34.47 more per month than in Illinois—roughly 19.0% 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: Illinois vs Pennsylvania

Electricity in Pennsylvania costs approximately 19% more than in Illinois based on typical household electricity use. Illinois averages 16.36¢/kWh and Pennsylvania averages 20.19¢/kWh, putting a typical 900 kWh monthly bill at $147 vs $182.

Based on average residential rates from EIA data · 900 kWh standard usage benchmark

Illinois rate

16.36 ¢/kWh

Pennsylvania rate

20.19 ¢/kWh

Illinois 900 kWh bill

$147.24

Pennsylvania 900 kWh bill

$181.71

Comparison

State	Electricity rate	Estimated monthly bill
Illinois	16.36 ¢/kWh	$147.24
Pennsylvania	20.19 ¢/kWh	$181.71

Difference Summary

Electricity in Pennsylvania costs approximately 19% more than in Illinois based on typical household electricity use.

Difference: $-34.47 (-19.0%) at 900 kWh/month

Monthly Bill Comparison

Illinois vs Pennsylvania

Frequently Asked Questions

Which state has cheaper electricity: Illinois or Pennsylvania?: Illinois has cheaper electricity. At 900 kWh/month, the estimated bill is $147.24 in Illinois vs $181.71 in Pennsylvania—about 19.0% less.
How much more expensive is electricity in Pennsylvania?: At 900 kWh/month, electricity in Pennsylvania costs about $34.47 more per month than in Illinois—roughly 19.0% 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.