DC fast Intertie

River Rock Casino

3250 CA-128, Geyserville, CA 95441

Max power: 50 kW; DC fast
Charging ports: 10; CCS1, CHAdeMO, J1772
Price: Price not listed; Per network listing
Hours: Not listed; Check before you go

River Rock Casino is a DC fast-charging station run by Intertie at 3250 CA-128 in Geyserville, CA. It has 10 charging ports with CCS1, CHAdeMO and J1772 connectors and delivers up to 50 kw. Pricing is set by the network app.

How long will charging take?

10% to 80%, 77 kWh battery

~76min

Range added in 15 minutes

~35mi

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

CHAdeMO

4 ports · 50 kW

DC fast

An older Japanese DC standard, being phased out in North America; usually capped near 50 kW.

Works with: Nissan Leaf (all years) and Mitsubishi Outlander PHEV. Few new vehicles use it.

CCS1

4 ports · 50 kW

DC fast

The DC fast-charging plug used by most non-Tesla EVs sold in North America before 2025.

Works with: Ford Mustang Mach-E, Chevrolet Bolt and Equinox EV, Hyundai Ioniq 5/6, Kia EV6/EV9, VW ID.4, BMW i4/iX, Rivian, Lucid and most other EVs. Teslas can use it with a CCS adapter.

J1772

2 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 Intertie app shows the live rate before you start.

Location and access

Address: 3250 CA-128
Geyserville, CA 95441
Coordinates: 38.70350, -122.85903
Hours: Not listed
Highway: CA-128
Phone: 800-636-0986
Network: Intertie

Questions drivers ask

How fast is River Rock Casino?

It delivers up to 50 kW. A typical 77 kWh EV charging from 10% to 80% here needs roughly 76 minutes, though your car's own charging curve, battery temperature and shared power can change that.

How much does it cost to charge at River Rock Casino?

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

What plugs does River Rock Casino have?

4 × CHAdeMO up to 50 kW; 4 × CCS1 (Combined Charging System) up to 50 kW; 2 × J1772 (Type 1) up to 7 kW.

Is River Rock Casino open 24/7?

Hours are not listed. Access may follow the host location's opening hours.

Source: U.S. Department of Energy Alternative Fuels Data Center (AFDC), station ID 455098. Last confirmed by the network on Oct 11, 2026; opened Mar 18, 2026.