Level 2 Independent

Highland Prep School

15600 W Hearn Rd, Surprise, AZ 85379

Max power: Up to 7.2 kW; Level 2
Charging ports: 4; J1772
Price: Price not listed; Per network listing
Hours: 24/7; Open all day

Highland Prep School is a Level 2 station run by Independent at 15600 W Hearn Rd in Surprise, AZ. It has 4 charging ports with J1772 connectors and delivers up to 7.2 kw. Pricing is set by the network app, 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

4 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

Price not listed

Prices can vary by time of day and membership. The Independent app shows the live rate before you start.

Location and access

Address: 15600 W Hearn Rd
Surprise, AZ 85379
Coordinates: 33.61350, -112.39543
Hours: 24/7for employees and students only
Phone: 623-300-8385
On site: 24/7 Access

Questions drivers ask

How fast is Highland Prep School?

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 Highland Prep School?

Independent has not published a fixed price for this site. Rates are shown in the Independent app or on the charger screen before you start a session.

What plugs does Highland Prep School have?

4 × J1772 (Type 1) up to 7 kW.

Is Highland Prep School open 24/7?

Yes, the network lists it as open 24 hours a day. Note: for employees and students only.

Source: U.S. Department of Energy Alternative Fuels Data Center (AFDC), station ID 202361. Last confirmed by the network on Nov 6, 2024; opened Nov 28, 2021.