What it costs to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) in Maryland

In Maryland, home electricity runs 21.27¢/kWh — put a 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 43.1 kWh/100mi against that and 100 miles costs $9.17, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 42.7% 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 Large Plus (20in) in Maryland runs about $1,376 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,027 saved annually, at this mileage.

What one full charge costs

$29.08 — that's what Maryland's 21.27¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1S Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.

2026 Rivian R1S Performance Dual Large Plus (20in) in Maryland, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in Maryland ranks 16,601 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 of 400 EV models for raw efficiency, and Maryland ranks 39 of 51 for cheapest residential electricity.

Next step: home charger installation

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. At 21.27¢/kWh, Maryland sits in the middle of the national range — the guide to why charging cost varies by state shows where.