Connecticut EV Charging Costs (2026)
Connecticut is a higher-cost EV electricity market where the monthly bill is driven by utility territory and rate structure, not one statewide average. Charging economics can differ materially between Eversource and United Illuminating service areas, especially when customers switch between standard service and time-based options. The market is also scaling: DMV reported 67,656 EVs registered as of July 1, 2025, and CTDOT's revised NEVI plan was approved on September 26, 2025 with access to $52.5 million for corridor fast-charging deployment. For practical budgeting, tariff selection and charging timing are as important as total miles driven.
$0.25/kWh
Rank #42 out of 50
3.1%
State adoption estimate
Connecticut Electricity Rates
Current rates by utility territory, with EV program details.
$0.25/kWh
$0.07/kWh above US average
Public Level 2 (est.): $0.36/kWh ($0.30-$0.46/kWh)
Public DC fast (est.): $0.56/kWh ($0.50-$0.68/kWh)
Estimated public charging prices derived from local electricity rates. Actual prices vary by network, location, and fees.
Many utilities offer off-peak EV charging options that can lower effective charging costs.
| Utility | Avg Rate |
|---|---|
| United Illuminating Co | $0.30/kWh |
| Eversource (Connecticut Light & Power Co) | $0.25/kWh |
Utility Context for Connecticut EV Drivers
Connecticut household charging cost is mostly a tariff-selection and schedule problem. As of early 2026, verify your utility's current supply and delivery components before setting monthly EV assumptions.
- Both Eversource Rate 7 and UI Rate RT use the same noon-8 p.m. weekday on-peak window. Eversource Rate 1 resets January 1 and July 1 at 12.641 cents/kWh, UI Rate R at 13.6950 cents/kWh for Jan-Jun 2026.
- PURA confirms customers can remain on utility Standard Service or choose a licensed supplier; for EV budgeting this means the generation portion can change materially by contract, while delivery charges remain utility-territory specific.
- PURA's statewide EV Charging Program (launched in January 2022) is designed as a nine-year framework administered by Eversource and UI, with a stated target of deploying more than 65,000 residential and commercial charging ports by 2030.
Rates updated monthly | Source: EIA and utility filings.
Connecticut EV Registration Fee
Connecticut does not charge an additional annual EV registration fee beyond standard vehicle registration costs.
Connecticut Local Charging Insights
These Connecticut-specific signals are the ones that most often change real monthly charging cost.
- CHEAPR currently lists Standard $1,000 plus Rebate+ New up to $3,000, for a combined $4,000 for eligible buyers. Rebate+ Used BEV remains up to $5,000.
- Connecticut DMV reports 67,656 EVs registered as of July 1, 2025 (with 11,691 added in the first half of 2025), indicating stronger charger competition for prime hours in dense metro areas and making off-peak home charging discipline more important.
- CTDOT's revised NEVI plan was approved on September 26, 2025 with access to $52.5 million; the state reports priority buildout on I-91, I-95, I-84, I-395, and Route 7 corridors, which is directly relevant for intercity charging reliability.
- Because Connecticut supply rates reset every January and July, an EV budget created in winter can drift by summer even with identical mileage. Re-checking your supply rate each half-year is a practical control step.
EV Charging Costs by City in Connecticut
View more Connecticut cities ->| City | Avg Rate | Monthly Cost Estimate | Action |
|---|---|---|---|
| Bridgeport | $0.30/kWh | $78.95/month | View city page -> |
| New Haven | $0.30/kWh | $78.95/month | View city page -> |
| Stamford | $0.25/kWh | $65.79/month | View city page -> |
How Connecticut Compares to Nearby States
| State | Rate | Rank |
|---|---|---|
| Connecticut (Current) | $0.25/kWh | #42 |
| New York | $0.27/kWh | #45 |
| Massachusetts | $0.31/kWh | #47 |
| Rhode Island | $0.31/kWh | #48 |
| Pennsylvania | $0.20/kWh | #39 |
| New Jersey | $0.23/kWh | #40 |
Calculate Your Connecticut EV Charging Costs
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Frequently Asked Questions
How much does it cost to charge an EV in Connecticut?
Home charging in Connecticut averages around $0.25/kWh. Public Level 2 sessions are estimated around $0.30-$0.46/kWh, while DC fast charging is estimated around $0.50-$0.68/kWh depending on network and membership. Final cost can also include session or idle fees.
What is the cheapest time to charge an EV in Connecticut?
For both Eversource Rate 7 and UI Rate RT, weekday on-peak is noon to 8 p.m. and off-peak is 8 p.m. to noon plus all weekend hours. In practice, the lowest-cost routine is overnight and weekend charging, then minimizing weekday noon-8 p.m. charging when possible.
How much does it cost to fully charge a Tesla Model Y in Connecticut?
Charging a Tesla Model Y from near-empty in Connecticut costs approximately $18.98 at home, $27.32 at a public Level 2 station, and $42.50 at a DC fast charger, based on EPA efficiency of 25.3 kWh/100 miles and an estimated 300-mile range.
Does Connecticut offer EV purchase rebates in 2026?
Yes. Connecticut CHEAPR lists Standard $1,000, Rebate+ New up to $3,000 (combined up to $4,000 with Standard), and Rebate+ Used BEV up to $5,000 for eligible applicants. Confirm current eligibility and vehicle lists on the official CHEAPR portal before purchase.
How much public fast-charging expansion is funded in Connecticut?
CTDOT states that Connecticut's revised NEVI plan was approved on September 26, 2025, giving the state access to about $52.5 million for DC fast-charging deployment. The agency reports initial focus on federally designated corridors before broader community expansion.
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Internal Resources
Data updated monthly where available.