Charging a 2026 Rivian R1S Performance Dual Max (20in) at home in Maryland

A 2026 Rivian R1S Performance Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at Maryland's 21.27¢/kWh residential rate that's $8.93 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 44.3% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Maryland owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Max (20in) spend about $1,339 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,064 saved annually, at this mileage.

Cost of a full charge

At Maryland's rate, fully covering this 2026 Rivian R1S Performance Dual Max (20in)'s 380-mile EPA range costs about $33.93 (159.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

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

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Max (20in) in Maryland ranks 16,290 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Max (20in) ranks 299 of 400 EV models for raw efficiency, and Maryland ranks 39 of 51 for cheapest residential electricity.

Before you install a home charger in Maryland

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Max (20in)'s cost in Maryland. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.