How Much Does 300 kWh Cost in Illinois?
300 kWh of electricity costs about $61.41 in Illinois at the state's average rate of 20.47 ¢/kWh. That uses the all-in average rate; separately billed taxes and fixed fees are not included.
Key metrics
| Metric | Value |
|---|---|
| Illinois average rate | 20.47 ¢/kWh |
| Estimated 300 kWh cost | $61.41 |
| U.S. average cost | $57.96 |
Compared to U.S. average
300 kWh in Illinois is more expensive by $3.45 compared to the U.S. average.
kWh cost calculator
Enter any kWh amount and pick your state (or U.S. average) to see estimated electricity cost using published residential average rates.
Estimated cost: $61.41
300 kWh × 20.47 ¢/kWh = $61.41 (Illinois)
For 300 kWh, the lowest state average is North Dakota ($37.05) and the highest is Hawaii ($139.86).
View electricity price per kWh in Illinois
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026.
Compare electricity options in Illinois
Compare retail electricity plans and provider options available in Illinois.
Track Illinois electricity changes
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State cost and bill pathways for Illinois
- Illinois electricity price per kWh — What a kWh of electricity costs in Illinois
- Illinois electricity rates & prices — Core authority page with statewide pricing context
- Illinois electricity cost analysis — State-level cost, affordability, and value overview
- Chicago electricity estimate (Illinois) — City electricity page with methodology notes where city coverage is available
- Average electricity bill in Illinois — What a typical monthly bill looks like
- Illinois household bill estimator — Estimate your bill from your monthly usage
Historical and trend pages
- Illinois electricity price history — Historical context and trend interpretation
- Electricity inflation in Illinois — State electricity inflation analysis
- Illinois electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- Electricity cost for 100 kWh in Illinois — Cost for this usage amount in the same state
- Electricity cost for 500 kWh in Illinois — Cost for this usage amount in the same state
- 600 kWh cost in Illinois — Cost for this usage amount in the same state
- Illinois electricity cost calculator — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in Illinois — Appliance operating-cost page for this state
- Refrigerator calculator in Illinois — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in Illinois — Appliance operating-cost page for this state
- Space Heater calculator in Illinois — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in Illinois — Appliance operating-cost page for this state
- Window Ac calculator in Illinois — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for Illinois
- Illinois electricity comparisons — State-to-state comparison hub
- Illinois vs California electricity cost — Head-to-head comparison page
- Illinois vs Florida electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- Illinois electricity hub — Guide to this state's electricity rate, usage, comparison, and tool pages
- Electricity cost scenario hub — Entry point for residential and industry scenario pages
- Illinois electricity cost overview — State-level electricity cost page with rates and typical bill context
- Illinois average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- Illinois electricity bill estimator — Household profile bill scenarios for this state
- Electricity usage hubs — Browse cost pages by common household usage tiers
Consumer electricity drivers
- Price drivers in Illinois — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA average all-in residential rate (delivery included); they don't add separately billed taxes, fixed charges, or other utility fees, which vary by utility. For how rates and estimates are defined, see the methodology hub.