Tesla Supercharger Cost in Portland, ME (2026)
Member rate: 46.0¢/kWh — non-member: 55.0¢/kWh. Approximately 20 Supercharger stations in the Portland, ME metro. Home charging runs 22.8¢/kWh — Superchargers cost 102–141% more.
Charging Cost Comparison in Portland, ME
| Charging Option | Rate (¢/kWh) | Cost Per Mile | 12,000 mi/yr |
|---|---|---|---|
| Home Charging (cheapest) | 22.8¢ | 6.0¢ | $720 |
| Tesla Supercharger (member) | 46.0¢ | 12.1¢ | $1453 |
| Tesla Supercharger (non-member) | 55.0¢ | 14.5¢ | $1737 |
| Gas Car (28 MPG) | $3.38/gal | 12.1¢ | $1449 |
Assumes 3.8 mi/kWh EV efficiency, 12,000 miles/year. Tesla Supercharger rates estimated from city electricity pricing. Home rate: EIA/utility 2025 residential average for the Portland, ME area. Gas: AAA metro average.
Member vs Non-Member: Is It Worth It in Portland, ME?
Cost Scenarios at Portland, ME Supercharger Rates
Based on 46.0¢/kWh (member) and 55.0¢/kWh (non-member) estimates. Actual kWh varies by battery size, state of charge, and V2 vs V3 station.
Tesla Supercharger Pricing in Portland, ME: What to Know
Tesla sets Supercharger rates based on local electricity market conditions. In the Portland, ME area, where residential electricity averages 22.8¢/kWh, Supercharger member pricing runs approximately 46.0¢/kWh — roughly 102% above home charging rates. That premium covers Tesla's infrastructure investment in high-speed chargers, land, maintenance, and network operations.
The Portland, ME metro has approximately 20 Tesla Supercharger stations. Most locations feature V3 Superchargers capable of up to 250 kW — fast enough to add 200+ miles in about 15 minutes. Peak hours can trigger idle fees at busy stations; plan to arrive with some charge and leave once you hit 80% to keep the network moving.
For Portland, ME residents with home charging available, Superchargers are best reserved for road trips and occasional top-offs — not primary charging. At 22.8¢/kWh at home vs 46.0¢/kWh at Superchargers, the math strongly favors overnight home charging whenever possible.
Frequently Asked Questions
How much does Tesla Supercharger cost per kWh in Portland, ME?
Tesla Supercharger rates in Portland, ME are approximately 46.0¢/kWh for members and 55.0¢/kWh for non-members in 2026. Actual rates vary by specific station and may fluctuate with demand pricing at busy locations. Create a free Tesla account to always pay the lower member rate.
How many Tesla Supercharger stations are in Portland, ME?
There are approximately 20 Tesla Supercharger stations in the Portland, ME metropolitan area as of early 2026. Use the Tesla app or tesla.com/findus for exact locations, stall counts, and live availability.
How does Supercharger pricing compare to home charging in Portland, ME?
Home charging in Portland, ME costs 22.8¢/kWh. Tesla Supercharger member rates are 46.0¢/kWh — 102% more than home. For 12,000 miles/year: home charging runs $720, Superchargers run $1453 (member). Most Tesla owners charge 80–90% at home and use Superchargers mainly for road trips.
Can non-Tesla EVs use Superchargers in Portland, ME?
Yes. Tesla has opened many Supercharger stations to non-Tesla EVs with a Magic Dock CCS adapter. Non-Tesla vehicles pay the non-member rate of 55.0¢/kWh via the Tesla app. Not all Portland, ME area stations have been opened yet — check the Tesla app to see which locations accept non-Tesla vehicles.
Tesla Supercharger Pricing in Nearby Cities
See statewide Tesla Supercharger pricing:
Tesla Supercharger Pricing in Maine →Data Sources & Methodology
Home electricity rate for Portland, ME: U.S. Energy Information Administration (EIA) Electric Power Monthly, 2025 residential averages adjusted for local utility area. Tesla Supercharger rates estimated based on city electricity pricing — Tesla correlates network rates with local grid costs. Station count: approximate as of Q1 2026 (verify at tesla.com/findus). Gas price: AAA 2025 metro area average. Last updated: March 2026.