How Much Does 300 kWh Cost in Connecticut?
300 kWh of electricity costs about $82.11 in Connecticut at the state's average rate of 27.37 ¢/kWh. That uses the all-in average rate — delivery, fixed charges, and utility fees are already inside it; locally billed taxes vary by area.
Key metrics
| Metric | Value |
|---|---|
| Connecticut average rate | 27.37 ¢/kWh |
| Estimated 300 kWh cost | $82.11 |
| U.S. average cost | $55.32 |
Compared to U.S. average
300 kWh in Connecticut is more expensive by $26.79 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: $82.11
300 kWh × 27.37 ¢/kWh = $82.11 (Connecticut)
For 300 kWh, the lowest state average is Idaho ($37.05) and the highest is Hawaii ($156.00).
View electricity price per kWh in Connecticut
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: May 2026.
See your exact bill in Connecticut
Set your own usage to match your home — fees included. Then compare the retail plans available in Connecticut.
Know when Connecticut rates change
Connecticut rates move with each monthly EIA update. Get an email when 300 kWh in Connecticut gets cheaper — or more expensive.
State cost and bill pathways for Connecticut
- Connecticut electricity price per kWh — What a kWh of electricity costs in Connecticut
- Connecticut electricity rates & prices — Core authority page with statewide pricing context
- Connecticut electricity cost analysis — State-level cost, affordability, and value overview
- Average electricity bill in Connecticut — What a typical monthly bill looks like
- Connecticut household bill estimator — Estimate your bill from your monthly usage
- Knowledge profile for Connecticut — Machine-readable state profile and metrics
Historical and trend pages
- Connecticut electricity price history — Historical context and trend interpretation
- Electricity inflation in Connecticut — State electricity inflation analysis
- Connecticut electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- Electricity cost for 100 kWh in Connecticut — Cost for this usage amount in the same state
- Electricity cost for 500 kWh in Connecticut — Cost for this usage amount in the same state
- 600 kWh cost in Connecticut — Cost for this usage amount in the same state
- Connecticut electricity cost calculator — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in Connecticut — Appliance operating-cost page for this state
- Refrigerator calculator in Connecticut — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in Connecticut — Appliance operating-cost page for this state
- Space Heater calculator in Connecticut — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in Connecticut — Appliance operating-cost page for this state
- Window Ac calculator in Connecticut — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for Connecticut
- Connecticut electricity comparisons — State-to-state comparison hub
- Connecticut vs California electricity cost — Head-to-head comparison page
- Connecticut vs Florida electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- Connecticut 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
- Connecticut electricity cost overview — State-level electricity cost page with rates and typical bill context
- Connecticut average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- Connecticut 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 Connecticut — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: May 2026. Estimates use the EIA all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.