EV Charging Cost in Connecticut
Updated September 2026 · average residential rates
The short answer: Connecticut's average residential electricity rate is 32.3¢/kWh — 91% above the U.S. average, ranking #50 cheapest of 51. A Tesla Model Y costs about $26.92 to fully charge at home here (9.2¢ per mile), and home charging saves roughly $6.41/month versus a comparable gas car at 1,000 miles.
What EV owners in Connecticut should know
Connecticut has among the most expensive electricity in the lower 48, and it meaningfully narrows the EV advantage — this is one of the states where enrolling in an off-peak plan isn't optional if you care about the math. Eversource and UI both run managed-charging programs with real bill credits.
Full-charge cost by model in Connecticut
| Vehicle | Full charge (home) | Per mile | Per 1,000 mi |
|---|---|---|---|
| Tesla Model 3 (RWD) | $21.53 | 8.5¢ | $85.45 |
| Tesla Model Y (Long Range) | $26.92 | 9.2¢ | $92.02 |
| Tesla Model S | $35.89 | 9.7¢ | $97.00 |
| Tesla Cybertruck (AWD) | $44.14 | 14.4¢ | $143.56 |
| Chevrolet Equinox EV | $30.51 | 10.6¢ | $105.56 |
| Ford Mustang Mach-E | $25.84 | 10.9¢ | $108.75 |
| Ford F-150 Lightning | $35.17 | 16.3¢ | $163.13 |
| Hyundai Ioniq 5 | $27.63 | 10.6¢ | $105.56 |
| Hyundai Ioniq 6 | $27.63 | 9.0¢ | $89.72 |
| Kia EV6 | $27.63 | 10.0¢ | $99.69 |
| Kia EV9 | $35.89 | 12.8¢ | $128.17 |
| Nissan Ariya | $31.22 | 12.0¢ | $119.63 |
| Nissan Leaf | $21.53 | 10.6¢ | $105.56 |
| Rivian R1T | $48.45 | 15.0¢ | $149.54 |
| Rivian R1S | $48.45 | 15.6¢ | $156.04 |
| Volkswagen ID.4 | $27.63 | 12.0¢ | $119.63 |
| BMW i4 | $29.07 | 10.3¢ | $102.54 |
| Lucid Air | $40.20 | 9.0¢ | $89.72 |
| Honda Prologue | $30.51 | 11.2¢ | $112.15 |
| Toyota bZ4X | $25.48 | 10.9¢ | $108.75 |
| Tesla Model X | $35.89 | 12.0¢ | $119.63 |
| Chevrolet Blazer EV | $30.51 | 12.0¢ | $119.63 |
| Chevrolet Silverado EV | $61.01 | 15.0¢ | $149.54 |
| GMC Sierra EV | $61.01 | 15.0¢ | $149.54 |
| GMC Hummer EV | $73.57 | 22.4¢ | $224.31 |
| Cadillac Lyriq | $36.61 | 12.4¢ | $123.75 |
| Cadillac Optiq | $30.51 | 12.0¢ | $119.63 |
| Hyundai Kona Electric | $23.33 | 10.0¢ | $99.69 |
| Hyundai Ioniq 9 | $39.48 | 12.4¢ | $123.75 |
| Kia Niro EV | $22.97 | 10.3¢ | $102.54 |
| BMW iX | $37.68 | 12.4¢ | $123.75 |
| BMW i5 | $29.07 | 10.9¢ | $108.75 |
| Mercedes-Benz EQB | $24.05 | 11.6¢ | $115.77 |
| Mercedes-Benz EQE | $31.94 | 10.9¢ | $108.75 |
| Mercedes-Benz EQS | $38.76 | 11.2¢ | $112.15 |
| Audi Q4 e-tron | $27.63 | 12.0¢ | $119.63 |
| Audi Q6 e-tron | $33.74 | 11.6¢ | $115.77 |
| Porsche Taycan | $31.94 | 12.0¢ | $119.63 |
| Porsche Macan Electric | $34.09 | 11.6¢ | $115.77 |
| Polestar 2 | $28.35 | 10.6¢ | $105.56 |
| Polestar 3 | $38.40 | 12.8¢ | $128.17 |
| Volvo EX40 | $28.35 | 11.2¢ | $112.15 |
| Volvo EX90 | $38.40 | 13.3¢ | $132.92 |
| Subaru Solterra | $25.48 | 11.2¢ | $112.15 |
| Lexus RZ | $25.48 | 11.6¢ | $115.77 |
| Volkswagen ID. Buzz | $30.86 | 13.8¢ | $138.03 |
| MINI Countryman SE | $22.97 | 11.6¢ | $115.77 |
| Fiat 500e | $15.07 | 10.0¢ | $99.69 |
| Dodge Charger Daytona EV | $33.38 | 12.4¢ | $123.75 |
| Jeep Wagoneer S | $33.38 | 12.0¢ | $119.63 |
| Acura ZDX | $36.61 | 12.4¢ | $123.75 |
| Genesis GV60 | $27.63 | 10.9¢ | $108.75 |
| Lucid Gravity | $40.20 | 10.9¢ | $108.75 |
| Chevrolet Bolt EV (2027) | $23.33 | 9.2¢ | $92.02 |
| Rivian R2 | $33.02 | 11.2¢ | $112.15 |
| Kia EV3 | $29.07 | 9.4¢ | $94.44 |
| Cadillac Escalade IQ | $71.78 | 16.3¢ | $163.13 |
| Cadillac Vistiq | $36.61 | 12.4¢ | $123.75 |
| Mercedes-Benz CLA (electric) | $30.51 | 8.3¢ | $83.46 |
| Chevrolet Bolt EUV | $23.33 | 10.0¢ | $99.69 |
| BMW i3 (2019–2021) | $15.15 | 9.2¢ | $92.02 |
| BMW i7 | $36.50 | 12.4¢ | $123.75 |
| Audi e-tron GT | $34.81 | 12.4¢ | $123.75 |
| Audi Q8 e-tron | $38.04 | 14.4¢ | $143.56 |
| Audi A6 e-tron | $34.06 | 9.2¢ | $92.02 |
| Volvo EX30 | $22.97 | 9.2¢ | $92.02 |
| Polestar 4 | $33.74 | 11.2¢ | $112.15 |
| Genesis Electrified GV70 | $27.78 | 12.4¢ | $123.75 |
| Genesis Electrified G80 | $31.30 | 11.2¢ | $112.15 |
| Mercedes-Benz G580 (Electric G-Class) | $41.63 | 17.9¢ | $179.44 |
| MINI Cooper SE (Hardtop) | $10.37 | 10.0¢ | $99.69 |
| Fisker Ocean | $38.04 | 11.2¢ | $112.15 |
| VinFast VF 8 | $31.47 | 15.0¢ | $149.54 |
| Ford E-Transit | $31.94 | 19.9¢ | $199.38 |
| Kia EV4 | $27.99 | 9.2¢ | $92.02 |
| Toyota C-HR EV | $26.81 | 9.2¢ | $92.02 |
| Subaru Trailseeker | $26.81 | 10.3¢ | $102.54 |
| Jeep Recon | $35.89 | 14.4¢ | $143.56 |
Cost to charge a Tesla in Connecticut
Tesla is the most-searched brand, so here it is separately: home charging at 32.3¢/kWh versus typical Supercharger pricing (~2-3× home rates).
| Tesla | Full charge (home) | Per mile | Est. Supercharger full charge |
|---|---|---|---|
| Tesla Model 3 (RWD) | $21.53 | 8.5¢ | $53.83 |
| Tesla Model Y (Long Range) | $26.92 | 9.2¢ | $67.29 |
| Tesla Model S | $35.89 | 9.7¢ | $89.72 |
| Tesla Cybertruck (AWD) | $44.14 | 14.4¢ | $110.36 |
| Tesla Model X | $35.89 | 12.0¢ | $89.72 |
Monthly cost by daily driving in Connecticut
What the electricity bill looks like for a typical EV (3.5 mi/kWh, ~10% charging losses) charged at home at 32.3¢/kWh, versus a 32-mpg gas car at $3.15/gallon.
| Daily driving | Miles / month | EV at home | EV on DC fast only | Gas car |
|---|---|---|---|---|
| 20 mi/day | 600 | $61.52 | $73.71 | $59.06 |
| 30 mi/day | 900 | $92.29 | $110.57 | $88.59 |
| 40 mi/day | 1,200 | $123.05 | $147.43 | $118.13 |
| 60 mi/day | 1,800 | $184.57 | $221.14 | $177.19 |
| 80 mi/day | 2,400 | $246.10 | $294.86 | $236.25 |
Public charging in Connecticut
Public DC fast charging in Connecticut typically costs 35–60¢/kWh — Tesla Superchargers usually 30–50¢ depending on time of day, Electrify America and EVgo 48–64¢ without a membership — which is about 1.3× the state's 32.3¢ home rate. Public Level 2 stations at workplaces, garages and shopping centers are often free or billed at 20–35¢/kWh. If you cannot charge at home, see the apartment charging playbook and the Supercharger cost guide.
Run your own numbers
Using Connecticut's average residential rate (32.3¢/kWh) · national average 16.9¢ · includes ~10% AC charging losses. Rates vary by utility and plan — your bill is the source of truth.