What it costs to charge a 2026 Rivian R1S Performance Dual Max (22in) in Maryland

In Maryland, home electricity runs 21.27¢/kWh — put a 2026 Rivian R1S Performance Dual Max (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $8.49, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 47% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S Performance Dual Max (22in) in Maryland runs about $1,274 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,129 saved annually, at this mileage.

Cost of a full charge

$34.83 — that's what Maryland's 21.27¢/kWh rate puts on the 163.7 kWh a 2026 Rivian R1S Performance Dual Max (22in) needs for its full 410-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Max (22in) in Maryland ranks 15,769 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Max (22in) ranks 266 of 400 EV models for raw efficiency, and Maryland ranks 39 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Performance Dual Max (22in) at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in Maryland before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Maryland's 21.27¢/kWh compares? The guide to charging cost by state ranks every state side by side.