2026 Tesla Model S: home charging cost in Colorado
In Colorado, home electricity runs 16.65¢/kWh — put a 2026 Tesla Model S's EPA-rated 27.1 kWh/100mi against that and 100 miles costs $4.52, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 71.8% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model S charged at home in Colorado costs about $678/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,725 a year.
What one full charge costs
A 2026 Tesla Model S needs roughly 111.2 kWh to reach its EPA-rated 410-mile range, which runs about $18.52 at 16.65¢/kWh in Colorado.
2026 Tesla Model S in Colorado, ranked
This combination ranks 2,480 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model S alone ranks 20 of 400 models for efficiency; Colorado alone ranks 30 of 51 states for electricity price.
Getting set up to charge a 2026 Tesla Model S at home
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Line up a few Colorado electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Colorado's 16.65¢/kWh rate ranks 30 of 51 states; the state rate guide lays out the full spread.