Rivian in Montana, EIA August 2026 prices
Cost to charge a Rivian R1S in Montana
Charging a 2026 Rivian R1S Dual Large Plus (20in) (43.1 kWh per 100 miles, EPA) at Montana's average residential price of 15.57¢/kWh costs about $6.71 per 100 miles and $75.54 a month for 13,500 miles a year. A full charge from empty (317 miles EPA range) costs about $21.28.
Per month
$75.5413,500 mi a year
- Per 100 miles
- $6.7115.57¢/kWh
- Per year
- $906.44vs $2,010.60 for gas
- Full charge
- $21.28317 mi EPA range
- Per month
- $75.5413,500 mi a year
Calculate for your Rivian R1S
Live EIA prices and EPA efficiency. Updates as you type.
Rivian R1S trims: charging cost in Montana
EPA efficiency and range for every current trim.
| Trim | kWh/100 mi | EPA range | Per 100 miles | Per month | Full charge |
|---|---|---|---|---|---|
| 2027 Rivian R1S Performance (20in AT) | 49.8 | 329 mi | $7.76 | $87.29 | $25.53 |
| 2027 Rivian R1S Performance (20in) | 47.0 | 348 mi | $7.32 | $82.31 | $25.46 |
| 2027 Rivian R1S Performance (22in) | 44.6 | 371 mi | $6.94 | $78.07 | $25.75 |
| 2027 Rivian R1S Premium (20in AT) | 44.4 | 289 mi | $6.91 | $77.71 | $19.96 |
| 2027 Rivian R1S Premium (20in) | 42.9 | 300 mi | $6.68 | $75.09 | $20.03 |
| 2027 Rivian R1S Premium (22in) | 39.5 | 329 mi | $6.15 | $69.14 | $20.22 |
| 2027 Rivian R1S Premium Long Range (20in AT) | 43.2 | 370 mi | $6.73 | $75.71 | $24.90 |
| 2027 Rivian R1S Premium Long Range (20in) | 42.0 | 380 mi | $6.54 | $73.52 | $24.83 |
| 2027 Rivian R1S Premium Long Range (22in) | 39.9 | 410 mi | $6.22 | $69.96 | $25.50 |
| 2027 Rivian R1S Quad (20in AT) | 50.1 | 325 mi | $7.80 | $87.76 | $25.35 |
| 2027 Rivian R1S Quad (22in UHP) | 47.3 | 338 mi | $7.37 | $82.93 | $24.92 |
| 2027 Rivian R1S Quad (22in) | 44.4 | 374 mi | $6.91 | $77.72 | $25.84 |
| 2026 Rivian R1S All-Terrain Dual Large (20in) | 44.4 | 289 mi | $6.91 | $77.71 | $19.96 |
| 2026 Rivian R1S All-Terrain Dual Large Plus (20in) | 46.9 | 292 mi | $7.30 | $82.13 | $21.32 |
| 2026 Rivian R1S All-Terrain Dual Max (20in) | 43.2 | 370 mi | $6.73 | $75.71 | $24.90 |
| 2026 Rivian R1S All-Terrain Performance Dual Max (20in) | 43.2 | 370 mi | $6.73 | $75.71 | $24.90 |
| 2026 Rivian R1S All-Terrain Performance Dual Large (20in) | 44.4 | 289 mi | $6.91 | $77.71 | $19.96 |
| 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) | 46.9 | 292 mi | $7.30 | $82.13 | $21.32 |
| 2026 Rivian R1S All-Terrain Tri Max (20in) | 49.8 | 329 mi | $7.76 | $87.29 | $25.53 |
| 2026 Rivian R1S Dual Large (20in) | 42.9 | 300 mi | $6.68 | $75.09 | $20.03 |
| 2026 Rivian R1S Dual Large (22in) | 39.5 | 329 mi | $6.15 | $69.14 | $20.22 |
| 2026 Rivian R1S Dual Large Plus (20in) | 43.1 | 317 mi | $6.71 | $75.54 | $21.28 |
| 2026 Rivian R1S Dual Large Plus (22in) | 40.9 | 330 mi | $6.37 | $71.65 | $21.02 |
| 2026 Rivian R1S Dual Max (20in) | 42.0 | 380 mi | $6.54 | $73.52 | $24.83 |
| 2026 Rivian R1S Dual Max (22in) | 39.9 | 410 mi | $6.22 | $69.96 | $25.50 |
| 2026 Rivian R1S Dual Standard (20in) | 42.9 | 258 mi | $6.67 | $75.09 | $17.22 |
| 2026 Rivian R1S Dual Standard (22in) | 39.9 | 270 mi | $6.21 | $69.86 | $16.77 |
| 2026 Rivian R1S Performance Dual Large (20in) | 42.9 | 300 mi | $6.68 | $75.09 | $20.03 |
| 2026 Rivian R1S Performance Dual Large (22in) | 39.5 | 329 mi | $6.15 | $69.14 | $20.22 |
| 2026 Rivian R1S Performance Dual Large Plus (20in) | 43.1 | 317 mi | $6.71 | $75.54 | $21.28 |
| 2026 Rivian R1S Performance Dual Large Plus (22in) | 40.9 | 330 mi | $6.37 | $71.65 | $21.02 |
| 2026 Rivian R1S Performance Dual Max (20in) | 42.0 | 380 mi | $6.54 | $73.52 | $24.83 |
| 2026 Rivian R1S Performance Dual Max (22in) | 39.9 | 410 mi | $6.22 | $69.96 | $25.50 |
| 2026 Rivian R1S Quad Max (20in AT) | 50.1 | 325 mi | $7.80 | $87.76 | $25.35 |
| 2026 Rivian R1S Quad Max (22in UHP) | 47.3 | 338 mi | $7.37 | $82.93 | $24.92 |
| 2026 Rivian R1S Quad Max (22in) | 44.4 | 374 mi | $6.91 | $77.72 | $25.84 |
| 2026 Rivian R1S Tri Max (22in) | 44.6 | 371 mi | $6.94 | $78.07 | $25.75 |
| 2025 Rivian R1S All-Terrain Dual Large (20in) | 44.4 | 289 mi | $6.91 | $77.71 | $19.96 |
| 2025 Rivian R1S All-Terrain Dual Large Plus (20in) | 46.9 | 292 mi | $7.30 | $82.13 | $21.32 |
| 2025 Rivian R1S All-Terrain Dual Max (20in) | 43.2 | 370 mi | $6.73 | $75.71 | $24.90 |
| 2025 Rivian R1S All-Terrain Performance Dual Max (20in) | 43.2 | 370 mi | $6.73 | $75.71 | $24.90 |
| 2025 Rivian R1S All-Terrain Performance Dual Large (20in) | 44.4 | 289 mi | $6.91 | $77.71 | $19.96 |
| 2025 Rivian R1S All-Terrain Performance Dual Large Plus (20in) | 46.9 | 292 mi | $7.30 | $82.13 | $21.32 |
| 2025 Rivian R1S All-Terrain Tri Max (20in) | 49.8 | 329 mi | $7.76 | $87.29 | $25.53 |
| 2025 Rivian R1S Dual Large (20in) | 42.9 | 300 mi | $6.68 | $75.09 | $20.03 |
| 2025 Rivian R1S Dual Large (22in) | 39.5 | 329 mi | $6.15 | $69.14 | $20.22 |
| 2025 Rivian R1S Dual Large Plus (20in) | 43.1 | 317 mi | $6.71 | $75.54 | $21.28 |
| 2025 Rivian R1S Dual Large Plus (22in) | 40.9 | 330 mi | $6.37 | $71.65 | $21.02 |
| 2025 Rivian R1S Dual Max (20in) | 42.0 | 380 mi | $6.54 | $73.52 | $24.83 |
| 2025 Rivian R1S Dual Max (22in) | 39.9 | 410 mi | $6.22 | $69.96 | $25.50 |
| 2025 Rivian R1S Dual Standard (20in) | 42.9 | 258 mi | $6.67 | $75.09 | $17.22 |
| 2025 Rivian R1S Dual Standard (22in) | 39.9 | 270 mi | $6.21 | $69.86 | $16.77 |
| 2025 Rivian R1S Performance Dual Large (20in) | 42.9 | 300 mi | $6.68 | $75.09 | $20.03 |
| 2025 Rivian R1S Performance Dual Large (22in) | 39.5 | 329 mi | $6.15 | $69.14 | $20.22 |
| 2025 Rivian R1S Performance Dual Large Plus (20in) | 43.1 | 317 mi | $6.71 | $75.54 | $21.28 |
| 2025 Rivian R1S Performance Dual Large Plus (22in) | 40.9 | 330 mi | $6.37 | $71.65 | $21.02 |
| 2025 Rivian R1S Performance Dual Max (20in) | 42.0 | 380 mi | $6.54 | $73.52 | $24.83 |
| 2025 Rivian R1S Performance Dual Max (22in) | 39.9 | 410 mi | $6.22 | $69.96 | $25.50 |
| 2025 Rivian R1S Tri Max (22in) | 44.6 | 371 mi | $6.94 | $78.07 | $25.75 |
Charging time at home
Miles of range added per hour of charging.
The 2026 Rivian R1S Dual Large Plus (20in) adds about 3.3 miles of range per hour on a 120 V outlet and 17.8 miles per hour on a 240 V, 32 A charger, based on its EPA efficiency. Try other chargers in the charging time calculator.
Rivian R1S vs a gas car in Montana
With regular gasoline at $4.468 a gallon (EIA Rocky Mountain average, October 19, 2026), a 30 mpg car costs $2,010.60 a year to fuel for 13,500 miles. The Rivian R1S costs $906.44 — $1,104.16 less.
Charging a Rivian R1S in nearby states
| State | Electricity (¢/kWh) | Per 100 miles | Per month |
|---|---|---|---|
| North Dakota | 13.31 | $5.74 | $64.57 |
| Idaho | 13.37 | $5.77 | $64.86 |
| Wyoming | 14.43 | $6.22 | $70.01 |
| South Dakota | 15.15 | $6.53 | $73.50 |
| Montana this page | 15.57 | $6.71 | $75.54 |
Other EVs in Montana
- Tesla
Tesla Model Y
$47.05 / month26.9 kWh/100 mi, 337 mi range
- Tesla
Tesla Model 3
$46.20 / month26.4 kWh/100 mi, 346 mi range
- Tesla
Tesla Model S
$56.90 / month32.5 kWh/100 mi, 348 mi range
- Tesla
Tesla Model X
$59.99 / month34.2 kWh/100 mi, 329 mi range
- Tesla
Tesla Cybertruck
$75.16 / month42.9 kWh/100 mi, 325 mi range
- Chevrolet
Chevrolet Equinox EV
$57.13 / month32.6 kWh/100 mi, 307 mi range
- Chevrolet
Chevrolet Blazer EV
$62.44 / month35.6 kWh/100 mi, 283 mi range
- Chevrolet
Chevrolet Silverado EV
$86.80 / month49.6 kWh/100 mi, 286 mi range
See the Rivian R1S charging cost in every state or all EVs in Montana.
Questions people ask
How much does it cost to charge a Rivian R1S in Montana?
About $6.71 per 100 miles and $75.54 a month for 13,500 miles a year, for the 2026 Rivian R1S Dual Large Plus (20in) (43.1 kWh/100 mi) at 15.57¢/kWh.
How much is a full charge for a Rivian R1S in Montana?
About $21.28 for 136.7 kWh from the wall, enough for the 317-mile EPA range of the 2026 Rivian R1S Dual Large Plus (20in).
How long does it take to charge a Rivian R1S at home?
Adding 100 miles takes about 29 h 57 min on a 120 V Level 1 outlet and 5 h 37 min on a 32 A Level 2 charger (7.68 kW).
Is a Rivian R1S cheaper to run than a gas car in Montana?
On fuel, yes: $906.44 a year versus $2,010.60 for a 30 mpg car at $4.468/gal.