Home EV Charging in Helena: What to Know
In Helena, electricity runs about $0.124/kWh and gas about $3.30/gallon. For a typical driver covering 12,000 miles a year, that means charging an EV at home costs roughly $425 a year versus $1,414 in gasoline — a saving of about $989 annually.
A Level 2 charger installs for around $1,500, paying for itself in roughly 1.5 years of fuel savings — around $16,897 over 15 years. Home charging also beats public charging by about $946/year. Note: the federal 30C charger tax credit expired June 30, 2026, so Montana utility programs are now the main incentive. The local utility is NorthWestern Energy.
Cost & Savings Breakdown
12,000 miles per year in Helena
15-Year Fuel Savings Projection
Available Rebates
Common Questions
How much does a home EV charger cost in Helena?
A Level 2 home EV charger in Helena, Montana costs about $1,500 installed. The federal 30C charger credit expired June 30, 2026.
How much does charging at home save in Helena?
Driving 12,000 miles a year, a Helena driver spends about $425 charging at home versus $1,414 on gasoline — a saving of roughly $989 per year, so a home charger pays for itself in about 1.5 years.
Is home charging cheaper than public charging in Helena?
Yes. At Helena's local electricity rate of $0.124/kWh, home charging is far cheaper than public Level 2 or DC fast charging (typically $0.30–$0.48/kWh) — saving about $946 a year versus charging in public.
Compare EV Charging Costs Near Helena
Planning other home-energy upgrades?
Solar, batteries, heat pumps and EV chargers all work together. Run the numbers on the rest of your electrification plan: