EVsmart - Pepco - King Farm Mattie JT Stepanek Park
1800 Piccard Dr, Rockville, MD 20850
- Max power
- 7.2 kW
- Level 2
- Charging ports
- 4
- J1772
- Price
- Free
- No charging fee listed
- Hours
- 24/7
- Open all day
EVsmart - Pepco - King Farm Mattie JT Stepanek Park is a Level 2 station run by Swtch at 1800 Piccard Dr in Rockville, MD. It has 4 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
4 ports · 7 kW
AC
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
- 1800 Piccard Dr
Rockville, MD 20850 - Coordinates
- 39.11771, -77.17799
- Hours
- 24/7
- Phone
- 844-798-2438
- Network
- Swtch
- On site
- Outdoor Space24/7 Access
Questions drivers ask
How fast is EVsmart - Pepco - King Farm Mattie JT Stepanek Park?
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 EVsmart - Pepco - King Farm Mattie JT Stepanek Park?
Charging is listed as free. Parking fees or time limits may still apply.
What plugs does EVsmart - Pepco - King Farm Mattie JT Stepanek Park have?
4 × J1772 (Type 1) up to 7 kW.
Is EVsmart - Pepco - King Farm Mattie JT Stepanek Park open 24/7?
Yes, the network lists it as open 24 hours a day.
Source: U.S. Department of Energy Alternative Fuels Data Center (AFDC), station ID 357525. Last confirmed by the network on Jan 13, 2026; opened Jul 9, 2025.