Home EV Charging in South Portland: What to Know
In South Portland, electricity runs about $0.178/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 $610 a year versus $1,414 in gasoline — a saving of about $804 annually.
A Level 2 charger installs for around $1,700, paying for itself in roughly 2.1 years of fuel savings — around $13,254 over 15 years. Home charging also beats public charging by about $761/year. Note: the federal 30C charger tax credit expired June 30, 2026, so Maine utility programs are now the main incentive. The local utility is Central Maine Power.
Cost & Savings Breakdown
12,000 miles per year in South Portland
15-Year Fuel Savings Projection
Available Rebates
Common Questions
How much does a home EV charger cost in South Portland?
A Level 2 home EV charger in South Portland, Maine costs about $1,700 installed. The federal 30C charger credit expired June 30, 2026.
How much does charging at home save in South Portland?
Driving 12,000 miles a year, a South Portland driver spends about $610 charging at home versus $1,414 on gasoline — a saving of roughly $804 per year, so a home charger pays for itself in about 2.1 years.
Is home charging cheaper than public charging in South Portland?
Yes. At South Portland's local electricity rate of $0.178/kWh, home charging is far cheaper than public Level 2 or DC fast charging (typically $0.30–$0.48/kWh) — saving about $761 a year versus charging in public.
Compare EV Charging Costs Near South Portland
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: