Level 2 Independent

Unum

2211 Congress St, Portland, ME 04122

Max power: Up to 7.2 kW; Level 2
Charging ports: 12; J1772
Price: Free; No charging fee listed
Hours: 24/7; Open all day

Unum is a Level 2 station run by Independent at 2211 Congress St in Portland, ME. It has 12 charging ports with J1772 connectors and delivers up to 7.2 kw. Charging is free, and the site is open 24 hours a day.

How long will charging take?

Range added per hour

~24mi

10% to 80%, 77 kWh battery

~8.3hours

Estimates for a typical long-range EV. Real times depend on your car's maximum charging rate, battery temperature, state of charge and whether power is shared between neighbouring stalls. How charging speed works

Connectors and compatibility

J1772

12 ports · 7 kW

The universal Level 2 AC plug in North America.

Works with: Every non-Tesla EV and plug-in hybrid. Teslas charge with the J1772 adapter that ships with the car.

Pricing

Free

Network listing: “Free”

Location and access

Address: 2211 Congress St
Portland, ME 04122
Coordinates: 43.65366, -70.32620
Hours: 24/7for employee use only
Phone: 207-575-2211
On site: 24/7 Access

Questions drivers ask

How fast is Unum?

It is a Level 2 station delivering up to 7 kW, which adds roughly 24 miles of range per hour. It suits charging while you shop, work or stay overnight rather than a quick road-trip stop.

How much does it cost to charge at Unum?

Charging is listed as free. Parking fees or time limits may still apply.

What plugs does Unum have?

12 × J1772 (Type 1) up to 7 kW.

Is Unum open 24/7?

Yes, the network lists it as open 24 hours a day. Note: for employee use only.

Source: U.S. Department of Energy Alternative Fuels Data Center (AFDC), station ID 207421. Last confirmed by the network on Sep 14, 2026; opened Oct 7, 2020.