Home charging cost
Charging a Tesla Model Y in St. Louis, MO
What it actually costs to charge at home on Ameren Missouri's residential electricity rate.
St. Louis rate
$0.12/kWh
Ameren Missouri
Full charge
~$9.32
321–357 miles
Cost per mile
~3.1¢
Yearly home-charging cost
Based on the Tesla Model Y’s efficiency (3.8 mi/kWh) at Ameren Missouri's residential rate. For comparison, a 30-mpg gas car at $3.50/gallon runs about 12¢/mile.
Winter in St. Louis
St. Louis averages about 3 months a year cold enough to cut EV efficiency — typically 15–25% in deep winter. Expect your real per-mile cost to run a bit higher in those months, and a full charge to cover fewer miles.
Will a Tesla Model Y actually work for your home in St. Louis?
Cost is one piece. The bigger question is whether your outlet and daily driving keep you covered without relying on public chargers. Answer 5 quick questions for a clear, personalized answer.
Check your EV readiness →Electricity rate is Ameren Missouri's residential rate. Charging cost assumes home (Level 1 or Level 2) charging; efficiency and battery figures from the EV guide.